Skip to main content
ASUS · ExpertCenter D7 · Wada

ASUS ExpertCenter D7
Desktop Computer Upgrade
in Wada

Expert repair for your ASUS ExpertCenter D7 in Wada. Free doorstep pickup, OEM-quality parts & 90-day warranty.

✓ Free Doorstep Pickup ✓ Same-Day Repair ✓ 90-Day Warranty ✓ ISO 9001 Certified

Open every day, 9 AM – 9 PM

Technician working inside an opened laptop with RAM modules and an SSD laid out beside it Technician with a screwdriver over an opened laptop, RAM modules and hard drives on the repair mat
Xigox technicians at the repair bench
Tejas Chudasama, Xigox Founder Janak Chudasama, Xigox CTO

Run by Tejas & Janak Chudasama since 2011

Xigox is a family-run, ISO 9001:2015-certified repair business, not a marketplace listing or a franchise. Every repair is backed by a written 90-day warranty and billed against GSTIN 27AJXPC8441R1Z7. Read our story

Why Us?

Why Choose Xigox for ASUS Desktop Computer Upgrade in Wada?

With 1,00,096+ successful repairs and a 4.9-star rating, Xigox is an independent ASUS repair specialist serving Wada. Conveniently located near Wada Road.

Same-Day Turnaround

Most ASUS Desktop Computer Upgrade jobs in Wada are completed same-day. Urgent service available for critical cases.

Full Transparency

We quote before starting work. No hidden fees. You pay exactly what you were quoted.

Lifetime Post-Repair Support

Free WhatsApp support for any questions about your ASUS ExpertCenter D7 Desktop Computer Upgrade after repair — always.

Free Pickup & Drop

Collection and return anywhere in Wada at no charge for lab-based ASUS work — we don't bill for convenience.

Transparent Pricing

₹350 inspection fee (refunded if you proceed). Written quote before any ASUS Desktop Computer Upgrade work begins.

No Fix, No Repair Fee

If we cannot resolve your ASUS Desktop Computer Upgrade issue, you pay nothing beyond the inspection fee.

Repairs Completed
1,00,096+
Since 2011
Average Rating
4.9 ★
9,727+ reviews
Repair Warranty
90 Days
Parts & labour
Avg Response
30 Min
For common issues
Pickup & Drop
Free
₹350 inspection fee
Est. Since
2011
15+ yrs in Palghar

Who repairs your device

Repaired in-house by Xigox technicians

Your ASUS ExpertCenter D7 is handled by Xigox technicians from start to finish. It is never handed on to another shop. Work that needs the repair bench is done at our workshop in Virar West.

Board-level faults are traced with a microscope, a multimeter and a soldering station before any part is replaced, and parts are fitted only after you approve the quote.

We don't open your personal files during a repair. When a job needs access to your data, such as data recovery or a Windows reinstall, we ask you first.

  • Repaired in-house, not outsourced
  • Quote approved by you before work starts
  • Your files stay private
  • Microscope and board-level tools
  • Genuine or OEM-grade parts
  • 90-day warranty on repairs
Technician inspecting a laptop motherboard under a microscope at the repair bench Technician testing a laptop mainboard with a multimeter beside a Xigox-branded monitor Technician brushing dust off an opened laptop motherboard with a cleaning brush Technician inspecting a laptop motherboard under a microscope at the repair bench
Xigox technicians at the repair bench.
Our Process

How ASUS ExpertCenter D7 Desktop Computer Upgrade Works

From booking to delivery — here's exactly what happens at every step

Book Pickup

Call or WhatsApp +91 74997 61196. Tell us your ASUS ExpertCenter D7 issue in Wada and schedule a free doorstep pickup.

₹350 Inspection (refunded if you proceed with repair)

Our experienced technician inspects your ASUS ExpertCenter D7 and provides a transparent written quote for Desktop Computer Upgrade.

Expert Repair

Once approved, we perform Desktop Computer Upgrade using OEM-quality parts. Most repairs are completed same-day.

Quality Check

Every ASUS ExpertCenter D7 passes a multi-point QA test before delivery. Your 90-day warranty starts from this moment.

Free Delivery

We deliver your repaired ASUS ExpertCenter D7 back to your Wada address. Completely free, same day.

After-Service Care

Post-repair support via WhatsApp. If the issue recurs within 90 days, we fix it at zero cost.

Repair examples

Recently Repaired Desktops & Computers

View All Recent Repairs

Custom

Build (AMD Ryzen 7)

Fixed
Issue
Client wanted to upgrade from GTX 1660 to RTX 4070. Existing 450W PSU insufficient for new GPU.
Solution
Installed Corsair RM750e PSU with proper cable management. Mounted RTX 4070 with support bracket. Updated BIOS and installed latest drivers....

Technician's note

Old PSU only had one 8-pin PCIe connector. New 750W provides clean, stable power for the RTX 4070.

Andheri East 2.5 Hours
  • Gaming PC
  • GPU Upgrade
  • PSU

Mac

Mini M2

Fixed
Issue
Mac Mini came with 256GB SSD — constantly full. macOS throwing "disk almost full" warnings daily.
Solution
Upgraded internal SSD to 1TB. Migrated all data and macOS with Apple's migration tools. Apple Silicon boot verified.

Technician's note

M2 Mac Mini SSD upgrade requires specific NVMe controller compatibility. Used validated module.

Borivali West 2 Hours
  • SSD
  • Mac Mini
  • Apple

HP

EliteDesk 800 G9

Fixed
Issue
PC freezing during multitasking with Chrome, Excel, and Tally running simultaneously. Only 8GB RAM installed.
Solution
Upgraded to 32GB DDR4 RAM (2x16GB). Configured dual-channel. All applications running smoothly simultaneously.

Technician's note

Accounting firm with heavy Tally usage. 32GB is optimal for their workflow.

Dadar West 30 Minutes
  • RAM
  • HP
  • Upgrade

Dell

Vostro 3910

Fixed
Issue
PC infected with ransomware. All personal files encrypted. Desktop showing ransom warning message.
Solution
Removed ransomware from offline boot. Recovered 90% of files using shadow copies and specialized tools. Installed enterprise antivirus.

Technician's note

Infection via phishing email attachment. Trained customer on email safety and suspicious link identification.

Malad West 5 Hours
  • Virus
  • Ransomware
  • Dell

Custom

Gaming PC

Fixed
Issue
Customer purchased individual components online. Needed professional assembly, BIOS config, and OS installation.
Solution
Assembled all components with cable management. Configured BIOS, enabled XMP for RAM. Installed Windows 11 with all drivers and gaming softw...

Technician's note

Build: Ryzen 7 7800X3D, RTX 4070 Super, 32GB DDR5, 1TB NVMe. Stress tested for stability.

Goregaon West 4 Hours
  • Custom Build
  • Gaming
  • Assembly

ASUS

ROG Strix GT35

Fixed
Issue
GPU displaying visual artifacts during gaming. Screen flickering and colored pixels during 3D rendering.
Solution
Replaced dried thermal paste on GPU die. Repaired micro-solder joint on VRAM chip. Artifacts completely eliminated.

Technician's note

Thermal paste had completely dried out. Applied premium thermal compound rated for 8+ years.

Powai 2 Hours
  • GPU
  • ASUS
  • Thermal

Comparison

Xigox vs Other ASUS ExpertCenter D7 Shops in Wada

What you get with Xigox in Wada, side by side.

FeatureXigoxOther shops
Experienced Technicians Trained & VerifiedVaries; ask who will work on the device
Genuine / OEM Parts OEM-Quality PartsVaries; ask which part will be fitted
90-Day Warranty Written CertificateVaries; ask for the warranty in writing
Diagnosis / Inspection ₹350, credited to the repairVaries; ask what the diagnosis costs
Same-Day Turnaround Wada — Most RepairsVaries; ask for a time in writing
Free Doorstep Pickup Wada — FreeVaries; ask whether pickup is free
Transparent Pricing Written Quote FirstVaries; ask for a written quote first
Live WhatsApp Updates Real-time Repair StatusVaries; ask how you will get updates

Xigox charges ₹350 for inspection — credited to your repair cost if you go ahead.

Customer reviews

What Customers Say About ASUS ExpertCenter D7 Desktop Computer Upgrade in Wada

4.9/5 · 12 reviews shown

See all 9,727+ reviews

ASUS ProArt Station PD5 — BSOD Fix

“My ASUS ProArt Station PD5 showed constant blue screen of death errors. Xigox Lower Parel ran extensive diagnostics and found a bad RAM module. Replaced it and updated all drivers. Rock-solid stability since the repair. Efficient diagnosis.”
G Gaurang Vaidya Wada · 24 Nov 2024 8

ASUS TUF Gaming GT501 — Boot Issues Fix

“My ASUS TUF Gaming GT501 stopped booting into Windows showing disk errors. Xigox Vile Parle diagnosed a failing SSD, cloned all data to a new drive, and restored full boot functionality. All programs and settings preserved perfectly.”
S Sanjay Deshmukh Charni Road · 4 Feb 2026 45

ASUS ExpertCenter D7 — Audio Fix

“Audio on my ASUS ExpertCenter D7 was crackling and cutting out. Xigox Kandivali found a bad audio capacitor on the motherboard and replaced it. Crystal-clear sound now through both speakers and headphones. Precise component-level fix.”
D Dinesh Thakare Oshiwara · 28 Apr 2024 8

ASUS ExpertCenter D7 — Audio Fix

“Audio on my ASUS ExpertCenter D7 was crackling and cutting out. Xigox Nalasopara found a bad audio capacitor on the motherboard and replaced it. Crystal-clear sound now through both speakers and headphones. Precise component-level fix.”
A Ankush Choudhary Thane West · 11 Sep 2024 21

ASUS ROG Strix GT35 — Virus Removal

“My ASUS ROG Strix GT35 was infected with ransomware and running extremely slow. Xigox Versova cleaned all malware, restored encrypted files from shadow copies, and installed proper antivirus. System is clean and fast again.”
O Omkar Naik Prabhadevi · 8 Jun 2025 28

ASUS ProArt Station PD5 — BSOD Fix

“My ASUS ProArt Station PD5 showed constant blue screen of death errors. Xigox Sion ran extensive diagnostics and found a bad RAM module. Replaced it and updated all drivers. Rock-solid stability since the repair. Efficient diagnosis.”
V Vaishali Oak Sewri · 7 Mar 2026 28
Page 1 / 2

← Swipe or tap dots to browse →

Customer stories

Customer Stories

What customers say about their laptop and computer repairs

“Desktop was freezing randomly. Xigox diagnosed a failing HDD, replaced with SSD. Boot time went from 3 minutes to 15 seconds. Outstanding upgrade!”

HP ProDesk 600 G6

S Sudhir Pawar Navi Mumbai
“Graphics card died on our office desktop. Xigox sourced a compatible GPU and installed it same day. CAD software running smoothly again. Great service!”

Dell OptiPlex 7080

K Kavya Shetty Vashi
“RAM upgrade from 8GB to 32GB plus NVMe SSD. Xigox handled everything — cable management, BIOS update, Windows reinstall. PC is blazing fast now!”

Custom Gaming PC

P Pramod Jadhav Kharghar
“iMac screen had a crack — thought it was a write-off. Xigox repaired it for half the Apple Store price. Looks and works perfectly. Saved so much money!”

Apple iMac 2021

S Sunita Rathod Belapur
“PSU blew out with a bang. Xigox replaced the power supply unit within 3 hours. All data intact, no OS reinstall needed. Professional and fast!”

Lenovo ThinkCentre M90n

V Vilas Shinde Nerul
“Blue screen errors every hour. Xigox ran diagnostics — faulty RAM stick. Replaced under warranty, reinstalled Windows 11. No crashes in 2 months!”

Assembled Desktop i7

R Rashmi Deshpande Panvel

FAQ

FAQs — ASUS ExpertCenter D7 Desktop Computer Upgrade in Wada

Everything you need to know before booking your repair

10 questions answered

You pay nothing beyond the ₹350 inspection. If we cannot resolve the fault, we explain exactly what we found, return your computer in the condition we received it, and — where the economics do not justify a repair — tell you so plainly rather than selling you work that is not worth doing. We also serve Saphale Market, Saphale Station, Kudan, so you can recommend us to neighbours too.
For software faults, setup, upgrades and diagnostics we can work on-site anywhere in Wada. Component-level work — board repair, screen bonding, liquid-damage recovery — needs workshop equipment, so we collect the computer, repair it, and return it. Both options are free of travel charges. Trusted by customers throughout Palghar — rated 4.9★ across 9,727+ reviews.
We send live updates over WhatsApp at each stage: collection, diagnosis, quote approval, repair completion, and dispatch. You can reply to that thread at any point to reach the technician handling your computer rather than a general helpline. Our service covers the full 421303 postal area in Wada.
Back up documents, photos and anything stored only on that computer before any repair — with us or anyone else. Most ASUS ExpertCenter D7 Desktop Computer Upgrade work does not touch your data, but board-level faults and storage failures can be unpredictable. Tell us in advance if the drive holds irreplaceable data and we will treat recovery as the first priority. Free pickup also available in Saphale Market, Saphale Station, Kudan and surrounding areas.
Our rule of thumb: if the repair costs more than roughly half of a comparable replacement and the computer is more than five years old, replacement is usually the better call. We tell you which side of that line you are on during the inspection in Wada, even when the answer means we do not get the job. Trusted by customers throughout Palghar — rated 4.9★ across 9,727+ reviews.
Yes — Xigox operates 9 AM to 9 PM, seven days a week in Wada, including Sundays and public holidays. Weekend pickups are often the most convenient option for people who cannot be at home on a working day. Free pickup also available in Saphale Market, Saphale Station, Kudan and surrounding areas.
Yes, on request. Any component we remove during ASUS ExpertCenter D7 Desktop Computer Upgrade is yours, and we will hand it back with the repaired computer so you can see exactly what was changed. Just mention it when you approve the quote. We've been serving Palghar district for over 15 years.
The cost of ASUS ExpertCenter D7 Desktop Computer Upgrade in Wada depends on your laptop or computer model and the extent of damage. Xigox charges ₹350 for inspection — refunded if you proceed with the repair — you'll receive a transparent, written quote with no hidden charges. Most standard ASUS ExpertCenter D7 Desktop Computer Upgrade jobs start from ₹499. Call or WhatsApp +91 74997 61196 for an instant estimate. We've been serving Palghar district for over 15 years.
Most ASUS ExpertCenter D7 Desktop Computer Upgrade jobs in Wada are completed the same day — usually within 2–4 hours of pickup. Complex repairs such as motherboard replacement or liquid-damage recovery may take 1–2 days. We'll give you an accurate time estimate during the inspection. Customers across Wada (421303) enjoy priority same-day scheduling.
Yes — Xigox provides completely free doorstep pickup and delivery for ASUS ExpertCenter D7 Desktop Computer Upgrade across Wada. An experienced technician collects your laptop or computer from your home or office, completes the repair at our workshop, and returns it — often the same day. Call or WhatsApp +91 74997 61196 to book. Trusted by customers throughout Palghar — rated 4.9★ across 9,727+ reviews.

Still have questions?

Send us your question on WhatsApp or call — a technician will answer.

ASUS ExpertCenter D7 Repair in Wada — Xigox

If you are looking for ASUS ExpertCenter D7 repair in Wada that is not a brand service centre, this is it. Xigox has run an independent ASUS bench since 2011, and our technicians work on ASUS boards and firmware every day rather than treating them as an occasional job. More than 1,00,000 repairs and a 4.9-star average rating sit behind that.

Parts for ASUS ExpertCenter D7 models are held in stock rather than ordered after you book, so most repairs are not waiting on a supplier. Screens, batteries, keyboards, charging boards and flex cables are all OEM-grade. You approve a written estimate first, and the ₹350 inspection is credited back against the repair.

We actively serve the entire 421303 postal area within Palghar district, ensuring same-day response for every repair request. ₹350 inspection fee (refunded if you proceed with repair). Located near Wada Road, our service coverage extends across Wada and all surrounding localities. In addition to Wada, we also provide doorstep repairs and free pickup for lab work for customers in Saphale Market, Saphale Station, Kudan and other nearby areas.

How your ASUS ExpertCenter D7 gets serviced depends on the fault. Part swaps happen on-site anywhere in Wada; board-level work goes to the bench because it needs proper rework equipment. Either way collection and return are free, and you get progress updates rather than having to chase us.

Every ASUS repair at Xigox is covered by a 90-day warranty on all parts and labour. If the same fault recurs within the warranty period, we fix it at no charge. Our after-repair WhatsApp support means we are always available to answer questions about your ASUS ExpertCenter D7.

Service Hours

Monday – Sunday · 9 AM – 9 PM

Open on all public holidays

Service Area

Wada & surrounding Mumbai areas

Doorstep repairs + free pickup for lab work

Contact Us

+91 74997 61196

info@xigox.com

Our Guarantee

90-day warranty on all repairs

Free re-repair if same fault recurs

Desktop Computer Upgrade for Other ASUS Models

We repair all ASUS models in Wada

Desktop Computer Upgrade for Other Brands in Wada

We repair all major brands — same service, same quality, same warranty

Areas, Roads & Landmarks We Cover in Wada

Free pickup & drop across all these neighbourhoods

Localities & neighbourhoods

  • Wada
  • Palghar
  • Bhiwandi

Roads & highways

  • Wada Road
  • Manor Road
  • NH-848

Landmarks & famous places

  • Wada Fort
  • Wada Market
  • Wada Village

Not sure which repair you need? See all ASUS ExpertCenter D7 repairs in Wada

Desktop Computer Upgrade Across Mumbai — All Locations

Explore more services

More Repair & Tech Services Near Wada

Same technicians · Free pickup · 90-day warranty across all services.

ISO 9001:2015 Certified · 1,00,096+ Repairs · 4.9 ★ Rating

Ready to Fix Your
ASUS ExpertCenter D7 Today?

₹350 inspection fee (refunded if you proceed with repair) · Same-day Desktop Computer Upgrade · 90-day warranty

Serving Wada and all of Mumbai MMR · Open 9 AM – 9 PM daily

How it's done

How We Perform Desktop Computer Upgrade

What our technicians do, what it requires, and how to tell you need it.

1 How It's Performed

When you want more capacity or speed rather than just a fix, we run the same structured diagnose-then-repair process we use for every job: confirm the fault, explain the cause in plain terms, quote the fix, and only then carry out the repair — using genuine parts and testing the result before handover.

Typical time: 30–60 minutes for most cases

2 What This Requires

  • An honest assessment of repair-vs-replace economics on older devices, so you're not paying more to fix something than it would cost to replace.

3 When You Need This

  • Something about your computer isn't working the way it should and you're not sure exactly why — that's what the initial diagnosis is for.

The model

About the ASUS ExpertCenter D7

Best for: corporate office deployment

The ASUS ExpertCenter D7 is Asus's business desktop line — small-form-factor and tower options for corporate deployment, Asus's competitor to Dell OptiPlex and HP EliteDesk.

Key features

  • Business manageability features standard on most configurations.
  • Small-form-factor options for space-constrained office desks.

ASUS ExpertCenter D7 Desktop Computer Upgrade in Wada — Professional, Reliable, and Affordable

Why waste time on aggregators? Get direct service without middleman markup with Xigox. Desktop PCs have different failure modes from laptop repair: open chassis design, full-size components, and tower airflow. Our engineers use oscilloscope diagnostics and stress testing to identify PSU ripple, GPU thermal issues, and RAM timing errors — recommending targeted component replacement.

All-Brand ASUS ExpertCenter D7 Desktop Computer Upgrade in Wada

Your ASUS model doesn't limit what we can fix. Our technicians are brand-agnostic experts: HP, Dell, Lenovo, Asus, Acer, MSI, Toshiba, Samsung and Apple MacBook. Each brand has quirks in their assembly that our team knows well. Model-specific experience cuts diagnostic time and improves first-time fix rates.

Our ASUS ExpertCenter D7 Desktop Computer Upgrade Process Works

Getting your ASUS fixed in Wada is incredibly hassle-free. Step 1, call or WhatsApp us at +91 74997 61196 to describe your issue. Next, our complimentary collection driver arrives at your Wada doorstep within 1–2 hours. The team then carry out a thorough diagnostic (₹350, credited toward your repair). Once you agree, the repair is executed with genuine parts — and your ASUS is returned to you. Most repairs done same day.

After-Repair Speed ASUS ExpertCenter D7 Desktop Computer Upgrade

After a successful this issue in Wada, most customers notice immediate performance improvements: quicker application loading, cooler operating temperatures, restored battery life, or a perfect display — depending on the specific repair. Xigox runs diagnostic tests before and after this issue in Wada to confirm the improvement.

Insurance & Out-of-Warranty ASUS ExpertCenter D7 Desktop Computer Upgrade Options

A common question is whether their laptop insurance covers the repair. We help with insurance claims and can generate the detailed GST invoice required for claim submission — broken down by component and labour. When manufacturer warranty has expired, our repair is almost always often far cheaper compared to the brand's authorised centre.

Office ASUS ExpertCenter D7 Desktop Computer Upgrade in Wada

Businesses across Wada trust our issue to minimise downtime. We offer annual maintenance plans, same-day priority service, and a single point of contact. From a small team or an entire floor, Xigox manages this issue for your Wada workspace with GST invoices and complete service reports.

Trained Technicians for ASUS ExpertCenter D7 Desktop Computer Upgrade in Wada

Not everyone in Wada can handle complex the repair. Xigox's engineers undergo rigorous training specifically for ASUS hardware. Whether it's a minor fix or advanced component-level motherboard repair, we fix it properly right here for Wada clients.

Top-Rated ASUS ExpertCenter D7 Desktop Computer Upgrade in Wada

You have options in Wada, but Xigox is the preferred choice for this issue. Our core values include complete transparency. Every issue starts with a detailed hardware check costing just ₹350, refunded if you proceed. No hidden charges — just professional issue in Wada.

Budget-Friendly ASUS ExpertCenter D7 Desktop Computer Upgrade in Wada

Expert repair shouldn't break the bank in Wada. Because we repair at the component level, we typically save customers 30% to 50% versus authorized brand service centres. You receive identical stellar quality for your ASUS, but at a much fairer price. Get your free quote for the repair in Wada now.

Warranty & After-Service for ASUS ExpertCenter D7 Desktop Computer Upgrade

Every issue performed by Xigox in Wada comes with a documented 90-day warranty covering parts and labour. Simply put, if the same issue recurs within 90 days, we redo it completely free. Xigox issues a printed warranty receipt every single time, so you know exactly what is covered.

Convenient Collection across Wada

Navigating traffic in Wada takes hours. To solve this, Xigox offers a no-hassle doorstep logistics service for the repair. Just drop your pin, and our secure courier will collect your ASUS directly from you. Once the repair is finished, we safely return it in protective packaging. Enjoy total convenience without leaving your desk.

Ready when you are in Wada. From emergency repairs to planned maintenance, Xigox takes the stress out of ASUS ExpertCenter D7 Desktop Computer Upgrade: doorstep collection, OEM-grade spares, same-day turnaround, and a written warranty. Call +91 74997 61196 now.

Service area

ASUS ExpertCenter D7 Desktop Computer Upgrade in Wada — Service Area & Coverage

Xigox provides asus expertcenter d7 desktop computer upgrade across Wada (PIN 421303), in the Palghar district of Wada. Our doorstep pickup and on-site service cover the entire Wada area and the neighbourhoods around it.

Localities we cover in Wada: Palghar, Bhiwandi. Wherever you are in Wada, we can collect your device from your door and bring it back after the repair.

Our technicians regularly serve homes, societies and offices around Wada Fort, Wada Market and Wada Village, and along Wada Road, Manor Road and NH-848. If you're near any of these landmarks, same-day pickup for asus expertcenter d7 desktop computer upgrade is almost always available.

ASUS ExpertCenter D7 Desktop Computer Upgrade price in Wada — know it before you book

  1. 1Pick your device & issue
  2. 2See the real price range
  3. 3Free doorstep pickup in Wada

4.9 from 128 customer reviews for this service · upfront pricing · 90-day warranty

Before you book: have your device model and a quick description of the issue ready — it speeds up your quote.

Our head office: Virar West

~42.1 km from Wada. With free doorstep pickup you don't need to travel — this is where the repair is done.

Book a repair

ASUS ExpertCenter D7 Desktop Computer Upgrade — Book Now

Free pickup · Genuine parts · 90-day warranty

Booking received

We'll call you within 1 hour to confirm your appointment and arrange doorstep pickup.

Inspection fee: ₹350

  • Credited to your total repair cost if you go ahead.
  • Still applies if the device can't be repaired or you decline the repair.

+91

Device type *

Inspection fee: ₹350

  • If you go ahead with the repair, the ₹350 is credited to your total repair cost.
  • If the device can't be repaired or you decide not to continue, the ₹350 inspection fee still applies.

Your details are used only to arrange this repair. By submitting, you agree to our Privacy Policy.

Call WhatsApp