Skip to main content
Lenovo · Laptop Fan Making Noise · Reay Road

Lenovo Laptop
Fan Making Noise
in Reay Road

Expert diagnosis & repair for Laptop Fan Making Noise on your Lenovo device in Reay Road. Free doorstep pickup, genuine parts & 90-day warranty.

✓ ₹350 Inspection (refunded if you proceed with repair) ✓ Free Doorstep Pickup ✓ Same-Day Repair ✓ 90-Day Warranty ✓ All Lenovo Models

Open 9 AM – 9 PM · 7 days · ₹350 inspection fee (refunded if you proceed with repair)

Opened laptop on an anti-static mat with SSDs, a cleaning brush and pry tools laid out Top-down view of a technician servicing a laptop beside an SSD and a cleaning brush
Xigox technicians at the repair bench
Symptom Checker

Is Your Lenovo Device Showing These Signs?

Common symptoms of Laptop Fan Making Noise on Lenovo devices. Recognise 2 or more? Book a ₹350 inspection (refunded if you proceed with repair) now.

Laptop clearly shows signs of Laptop Fan Making Noise

Normal laptop performance significantly impacted

Issue worsening progressively with continued use

Standard user troubleshooting has not resolved it

Laptop has become unreliable for daily work

Risk of further hardware damage if left unaddressed

Don't Delay — Laptop Fan Making Noise Gets Worse Over Time

Unaddressed hardware issues worsen and can lead to secondary damage, escalating repair costs significantly.

Book Inspection (₹350)
Root Cause Analysis

Why Does Laptop Fan Making Noise Happen on Lenovo Devices?

Knowing the root cause ensures a precise repair — not just a temporary fix.

Physical Damage

Accidental drops, pressure or impact causing mechanical damage to internal components.

Liquid Exposure

Water, beverages or humidity causing short circuits or corrosion on circuit boards.

Normal Wear & Tear

Components degrade naturally with regular use — batteries, connectors and hinges most affected.

Manufacturing Defect

Factory faults that surface after the warranty period in certain production batches.

Cost Estimate

Lenovo Laptop Fan Making Noise Repair Cost in Reay Road

Transparent pricing · ₹350 inspection fee (refunded if you proceed with repair) first · Pay only after approval

Repair TypeEstimated CostWarranty
Diagnosis & Basic Repair ₹499 - ₹999 90 Days
Fan Cleaning & Lubrication ₹549 - ₹999 90 Days
Fan Cleaning & Lubrication ₹549 - ₹999 90 Days
Fan Cleaning & Lubrication ₹549 - ₹999 90 Days
Fan Cleaning & Lubrication ₹549 - ₹999 90 Days
Fan Cleaning & Lubrication ₹549 - ₹999 90 Days

Final cost confirmed after ₹350 inspection (refunded if you proceed with repair). Work starts only with your approval.

Get Exact Quote

Why Us?

Why Choose Xigox for Lenovo Laptop Fan Making Noise in Reay Road?

With 1,00,344+ successful repairs and a 4.9-star rating, Xigox is an independent Lenovo repair specialist serving Reay Road. Serving all addresses in the 400010 postal zone.

Experienced Technicians

Our engineers work on Lenovo hardware regularly. Every repair is tested before return.

Genuine & OEM-Grade Parts

We use genuine Lenovo parts wherever available; otherwise OEM-compatible components.

90-Day Parts Warranty

Every repair backed by a written 90-day warranty. Same fault recurs? We fix it free of charge.

Same-Day Turnaround

Most Lenovo Laptop Fan Making Noise jobs in Reay Road 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 Lenovo Laptop Fan Making Noise after repair — always.

Repairs Completed
1,00,344+
Since 2011
Average Rating
4.9 ★
9,605+ 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 Mumbai City

Who repairs your device

Repaired in-house by Xigox technicians

Your Lenovo 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 We Fix Lenovo Laptop Fan Making Noise

Step-by-step from booking to delivery — complete transparency, no surprises

Tell Us the Problem

Call, WhatsApp or book online. Tell us about the Laptop Fan Making Noise on your Lenovo laptop or computer in Reay Road. No technical expertise needed.

Free Pickup & Drop

We pick up your Lenovo laptop or computer from your Reay Road address at no transport cost. Bring it to us or we come to you.

₹350 Inspection

A Lenovo specialist examines your laptop or computer and identifies the exact root cause of the Laptop Fan Making Noise. Full written report provided — ₹350 fee refunded if you proceed with repair.

Transparent Quote

We share a detailed repair quote. Work begins only after your explicit approval — no hidden charges, no surprises.

Professional Repair

Our engineers fix the Laptop Fan Making Noise using OEM-grade Lenovo parts. A multi-point quality checklist is completed before your laptop or computer is returned.

90-Day Warranty + Delivery

Your Lenovo laptop or computer is returned to your Reay Road address with a written 90-day warranty. Same fault recurs? We fix it free of charge.

Customer reviews

What Customers Say About Lenovo Laptop Fan Making Noise in Reay Road

4.9/5 · 1 reviews shown

See all 9,605+ reviews

Lenovo Legion 5 Pro — Keyboard Fix

“Spilled tea on my Lenovo Legion 5 Pro and half the keys died. Xigox Vasai replaced the full keyboard with a matching backlit unit in about an hour. Typing feels brand new and the backlight works perfectly. Great service.”
C Chirag Doshi Reay Road · 10 Dec 2025 16

Repair examples

Recently Repaired Laptops

View All Recent Repairs

HP

Pavilion 14

Fixed
Issue
Battery swollen causing trackpad to push up. Laptop only running 20 minutes on battery.
Solution
Safely removed swollen battery, replaced with BIS-certified cell. Battery health restored to 100%.

Technician's note

Battery was 3 years old, exceeded cycle count. Recommended charging between 20-80%.

Bandra West 1 Hour
  • Battery
  • HP
  • Swollen

MacBook

Pro M3 14-inch

Fixed
Issue
Screen shows vertical lines, external display works fine.
Solution
Replaced LCD panel and display cable. Updated display drivers.
Virar West 3 Hours
  • Screen
  • MacBook
  • Display

ASUS

VivoBook 15

Fixed
Issue
Laptop dead — no power, no charging LED. Other repair shops quoted motherboard replacement.
Solution
Diagnosed failed power IC using multimeter. Replaced IC at chip level. Laptop boots and charges normally.

Technician's note

Power surge damaged the charging IC. Recommended using a surge protector.

Powai 4 Hours
  • Motherboard
  • ASUS
  • Chip-Level

HP

Pavilion x360

Fixed
Issue
Right hinge broken, screen wobbling. Back panel cracked near hinge mount.
Solution
Replaced both hinges with reinforced metal hinges. Repaired back panel crack with epoxy bonding.

Technician's note

Common issue in x360 convertible models. Both hinges replaced for balanced tension.

Goregaon West 2 Hours
  • Hinge
  • HP
  • Convertible

Dell

Inspiron 15 5520

Fixed
Issue
Cracked LCD panel after laptop fell from desk. Screen showing lines and dead pixels on left side.
Solution
Replaced damaged 15.6-inch IPS LCD panel with genuine part. Tested display output and color calibration.

Technician's note

Used original Dell panel. Customer advised to use a laptop sleeve for protection.

Andheri West 2 Hours
  • Screen
  • Dell
  • LCD

HP

Pavilion Gaming

Fixed
Issue
Blue screen errors, random crashes during gaming.
Solution
Diagnosed RAM failure. Replaced faulty memory modules.
Borivali West 1 Hours
  • RAM
  • HP
  • Gaming

FAQ

FAQs — Lenovo Laptop Fan Making Noise in Reay Road

Everything you need to know before booking your inspection

10 questions answered

Usually not for long. Left alone, most faults of this kind put stress on neighbouring components and turn a contained repair into a board-level one. If you cannot bring it in immediately, tell us the symptoms on WhatsApp and we will tell you honestly whether it can wait a few days or should be powered down now. Free pickup also available in Mazgaon, Sandhurst Road, Dockyard Road and surrounding areas.
Yes — Xigox specialises in Lenovo Laptop Fan Making Noise across Reay Road. Our experienced technicians diagnose and fix the problem efficiently, using OEM-quality parts and backed by a 90-day warranty. Free doorstep pickup is available in Reay Road — call or WhatsApp +91 74997 61196. Customers near Dockyard Road in Reay Road are covered by our free pickup.
Most Lenovo Laptop Fan Making Noise issues in Reay Road are resolved the same day — typically within 2–4 hours of pickup. We provide an accurate time estimate during the ₹350 inspection (refunded if you proceed with repair) so you're never left guessing. We've been serving Mumbai City district for over 15 years.
Common causes of Lenovo Laptop Fan Making Noise include physical impact, wear and tear, manufacturing defects, water damage, overheating, or software conflicts. Xigox technicians perform a thorough diagnosis to identify the root cause and fix it permanently rather than applying a temporary patch. Customers near Dockyard Road in Reay Road are covered by our free pickup.
Every repair at Xigox — including Lenovo Laptop Fan Making Noise fixes — is covered by a 90-day warranty. If the same problem recurs within 90 days, we repair it free of charge. Our warranty is provided in writing and applies to all repairs across Reay Road and Mumbai MMR. We've been serving Mumbai City district for over 15 years.
The cost to fix Lenovo Laptop Fan Making Noise in Reay Road varies by laptop model and severity. Xigox charges ₹350 for inspection — refunded if you proceed with the repair. A transparent written quote before any work begins. You're never charged until you approve the repair — no hidden fees, ever. Our service covers the full 400010 postal area in Reay Road.
Xigox repairs Lenovo Laptop Fan Making Noise on Apple, Dell, HP, Lenovo, Asus, Acer, MSI, Microsoft, Samsung and Toshiba, and more. Our engineers are trained on brand-specific procedures and we stock genuine-grade parts for the most common models, so most repairs in Reay Road are completed the same day. Free pickup also available in Mazgaon, Sandhurst Road, Dockyard Road and surrounding areas.
It depends on the age and value of the laptop. As a rule, if the repair costs less than a third of a comparable replacement and the rest of the hardware is healthy, repairing is worth it. After the inspection we tell you the honest repair cost and what a replacement would run, so the comparison is yours to make — we do not push a repair that is not worth doing. Free pickup also available in Mazgaon, Sandhurst Road, Dockyard Road and surrounding areas.
No. For any laptop that still powers on we take a full backup before touching the hardware, and for units that do not, we attempt recovery before repair. Your data is never accessed beyond what the repair requires, and nothing is copied off-site. We've been serving Mumbai City district for over 15 years.
For part replacements our technician works at your address in Reay Road. Lenovo Laptop Fan Making Noise that traces back to the board needs microscope and hot-air rework, so that job comes to the lab — with free pickup and drop either way. We tell you which category yours is before you commit. Customers near Dockyard Road in Reay Road are covered by our free pickup.

Still have questions?

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

Lenovo Laptop Repair in Reay Road — Xigox

If you are looking for Lenovo Laptop repair in Reay Road that is not a brand service centre, this is it. Xigox has run an independent Lenovo bench since 2011, and our technicians work on Lenovo 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.

We stock genuine Lenovo parts and OEM-compatible components for every common Laptop fault — from screen replacements and battery swaps to logic board repairs and data recovery. Before any work begins, you receive a written cost estimate. Our ₹350 inspection fee is refunded if you proceed with the repair.

We actively serve the entire 400010 postal area within Mumbai City district, ensuring same-day response for every repair request. ₹350 inspection fee (refunded if you proceed with repair). Located near Dockyard Road, our service coverage extends across Reay Road and all surrounding localities. In addition to Reay Road, we also provide doorstep repairs and free pickup for lab work for customers in Mazgaon, Sandhurst Road, Dockyard Road and other nearby areas.

Doorstep part replacement (battery, keyboard, screen, SSD, RAM) is available across Reay Road. For chip-level and motherboard repairs, we provide free pickup and drop — confirming within 15 minutes of your booking. Most common faults are resolved same-day. For complex repairs, we provide a realistic timeline and keep you updated throughout.

We back Lenovo work with a 90-day parts-and-labour warranty in writing, not just a verbal promise. If your Laptop does come back with the same fault, we cover it. You keep a direct WhatsApp line to the team that did the work.

Service Hours

Monday – Sunday · 9 AM – 9 PM

Open on all public holidays

Service Area

Reay Road & 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

Product lines

Lenovo Series We Cover for Laptop Fan Making Noise repair in Reay Road

Lenovo does not build one laptop — it builds 7 separate series, and Laptop Fan Making Noise repair is a different job on each. Xigox services IdeaCentre, IdeaPad, Legion and ThinkCentre and the rest of the Lenovo range. We regularly take in IdeaCentre, IdeaPad, Legion and ThinkCentre, along with ThinkPad, ThinkStation and Yoga units for Laptop Fan Making Noise repair in Reay Road. Specific Lenovo models on our current service list include Lenovo IdeaPad, Lenovo Legion, Lenovo ThinkPad and Lenovo Yoga. If your Lenovo model is not listed, it is almost certainly still covered — send us the model number on the base sticker and we will confirm parts availability before you book.

  • IdeaCentre
  • IdeaPad
  • Legion
  • ThinkCentre
  • ThinkPad
  • ThinkStation
  • Yoga

Lenovo ThinkPad

The Lenovo ThinkPad is Lenovo's legendary business laptop line (inherited from IBM) — renowned for keyboard quality, the distinctive red TrackPoint nub, and exceptional build durability, a long-standing favorite among business and technical users.

Lenovo ThinkPad

  • Lenovo ThinkPad L14
  • Lenovo ThinkPad L15
  • Lenovo ThinkPad T14
  • Lenovo ThinkPad T14s
  • Lenovo ThinkPad T15
  • Lenovo ThinkPad T16

Lenovo Yoga

The Lenovo Yoga is Lenovo's convertible/2-in-1 laptop line — a 360-degree hinge lets it fold into tablet, tent, or stand modes, aimed at users who want touchscreen/pen flexibility alongside standard laptop use.

Lenovo Yoga

  • Lenovo Yoga 6
  • Lenovo Yoga 7i
  • Lenovo Yoga 9i
  • Lenovo Yoga Slim 6
  • Lenovo Yoga Slim 7
  • Lenovo Yoga Slim 7i

Lenovo IdeaPad

The Lenovo IdeaPad is Lenovo's mainstream consumer laptop line — everyday computing and schoolwork at an accessible price, Lenovo's answer to Dell Inspiron and HP Pavilion.

Lenovo IdeaPad

  • Lenovo IdeaPad 1
  • Lenovo IdeaPad 3
  • Lenovo IdeaPad Slim 3
  • Lenovo IdeaPad Slim 5
  • Lenovo IdeaPad Flex 5
  • Lenovo IdeaPad Gaming 3

Laptop Fan Making Noise Repair for All Lenovo Models in Reay Road

Select your specific Lenovo model for a more targeted diagnosis page

Laptop Fan Making Noise Repair for Other Brands in Reay Road

We fix Laptop Fan Making Noise across all major laptop and computer brands with the same quality and warranty

Areas, Roads & Landmarks We Cover in Reay Road

Free pickup & drop across all these neighbourhoods

Localities & neighbourhoods

  • Cotton Green
  • Sewri
  • Dockyard Road
  • Mazgaon

Roads & highways

  • Dr. Ambedkar Road
  • Eastern Freeway
  • P D Mello Road

Landmarks & famous places

  • Reay Road Station
  • Cotton Green Docks
  • Mazgaon Dock (nearby)

Lenovo Laptop Fan Making Noise Repair — All Locations

Explore more services

More Repair & Tech Services Near Reay Road

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

₹350 Inspection (refunded if you proceed with repair) · 1,00,000+ Repairs · 4.9 ★ · 90-Day Warranty

Fix Your Lenovo Device's
Laptop Fan Making Noise Today

₹350 Inspection (refunded if you proceed with repair) · Expert repair for Laptop Fan Making Noise · 90-day warranty

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

Comparison

Xigox vs Other Lenovo Laptop Fan Making Noise Shops in Reay Road

What you get with Xigox in Reay Road, 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 Reay Road — Most RepairsVaries; ask for a time in writing
Free Doorstep Pickup Reay Road — 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.

Lenovo Laptop Fan Making Noise Repair in Reay Road — Professional, Reliable, and Affordable

Don't waste time on booking portals. Reach the engineers directly with Xigox. When your Lenovo breaks down in Reay Road, downtime hurts. That's where Xigox steps in. Our Virar West workshop resolves everything from minor glitches to chip-level faults on your Lenovo, usually within the same day. OEM-grade components, documented warranty, and fully upfront quotes make us the practical choice in Reay Road for Lenovo Laptop Fan Making Noise Repair.

Same-Day Lenovo Laptop Fan Making Noise Repair — How It Works

Curious how quickly Xigox can complete repair in Reay Road? Here's our typical timeline: Step 1 — message us and our pickup technician arrives at your Reay Road address within 2 hours. Step 2 — our inspection identifies the exact fault. Next — you give the go-ahead via WhatsApp — completely your decision. Finally — the repair is executed using genuine parts at our Virar West workshop, often same day. Then — your Lenovo is delivered back to you fully tested.

Fast & Easy Lenovo Laptop Fan Making Noise Repair in Reay Road

We know you can't stay disconnected in Reay Road. We plan this issue for speed and efficiency. For most issues, our technicians finish the issue within hours. We arrange secure collection from your Reay Road home or office, perform the issue using precision tools, and deliver it back to you.

Written Warranty Protection for Lenovo Laptop Fan Making Noise Repair

All the repair performed by Xigox in Reay Road comes with a written 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.

Safe & Secure Lenovo Laptop Fan Making Noise Repair

Your private information is fully protected during your issue. Residents across Reay Road rely on Xigox because we follow strict data privacy protocols. During the issue, your photos, emails, and passwords are completely secure. In cases where OS reinstallation is required, we will always inform you first.

Post-Repair Performance Lenovo Laptop Fan Making Noise Repair

After a successful the repair in Reay Road, 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 the repair in Reay Road to confirm the improvement.

Rigorous Testing after Lenovo Laptop Fan Making Noise Repair

Fixing the immediate problem is only half the job at Xigox. Before your Lenovo is returned in Reay Road, it must pass a strict multi-point quality check. Our team ensures that the issue was successful, checking wi-fi connectivity. This level of testing is the reason for our 4.9★ rating across Reay Road.

How the Lenovo Laptop Fan Making Noise Repair Process in Reay Road

Arranging the repair in Reay Road is designed to be hassle-free. First, message us at +91 74997 61196 sharing your issue. Then, our free pickup technician arrives at your Reay Road address within the same day. Our engineers then perform a detailed diagnostic (₹350, refunded if you proceed). After your approval, the repair is completed with OEM-grade parts — and your Lenovo is delivered back to you. Total turnaround: 24-48 hours.

No-Obligation Testing in Reay Road

Uncertain about the issue with your Lenovo? Prior to starting any issue, Xigox performs a thorough diagnostic check. The ₹350 inspection fee, it is 100% refunded if you proceed with the repair. Our technicians in Reay Road will show you the broken part in plain English so you can make an informed decision.

Cost-Effective Lenovo Laptop Fan Making Noise Repair in Reay Road

Premium repair doesn't have to be expensive in Reay Road. By optimizing our repair processes, we offer savings of up to half the cost compared to official repair outlets. You get the same OEM components for your Lenovo, without the massive markup. Request a price estimate for the repair in Reay Road today.

Expert Technicians for Lenovo Laptop Fan Making Noise Repair in Reay Road

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

Stop letting your broken Lenovo disrupt your workflow in Reay Road. Contact Xigox right now to schedule your Lenovo Laptop Fan Making Noise Repair. With our 90-day warranty and transparent pricing, you have nothing to lose. Schedule your free pickup in Reay Road via WhatsApp.

Service area

Lenovo Laptop Fan Making Noise Repair in Reay Road — Service Area & Coverage

Xigox provides lenovo laptop fan making noise repair across Reay Road (PIN 400010), in the Mumbai City district of Mumbai. Our doorstep pickup and on-site service cover the entire Reay Road area and the neighbourhoods around it.

Localities we cover in Reay Road: Cotton Green, Sewri, Dockyard Road, Mazgaon. Wherever you are in Reay Road, we can collect your device from your door and bring it back after the repair.

Our technicians regularly serve homes, societies and offices around Reay Road Station, Cotton Green Docks and Mazgaon Dock (nearby), and along Dr. Ambedkar Road, Eastern Freeway and P D Mello Road. If you're near any of these landmarks, same-day pickup for lenovo laptop fan making noise repair is almost always available.

Lenovo Laptop Fan Making Noise Repair near Reay Road

We also serve these nearby areas — tap your locality for local lenovo laptop fan making noise repair:

Lenovo Laptop Fan Making Noise Repair price in Reay Road — know it before you book

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

4.9 from 9,605 customer reviews across all repairs · 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.

Not sure what's wrong?

Find Your Fix by Symptom

Tell us what your device is doing — we'll point you to the right repair, with real pricing and next steps.

See all repair problems we fix

Nearest branch: Worli, Dadar

~6 km from Reay Road. With free doorstep pickup you don't need to travel — this is our nearest branch.

Book a repair

Lenovo Laptop Fan Making Noise Repair — 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