Open Source Android Diagnostic Tool

Find out why your phone is slow.

Real hardware diagnostics. Real fixes. Measurable proof.
Not another fake cleaner app.

Android Doctor home screen
21%
Faster App Launches
3.3 GB
Cache Freed
113
Bloatware Detected
2.3 MB
App Size
The Real Reasons

Your phone didn't get slow by accident.

  • 01
    NAND flash degradation. Storage chips physically wear out after thousands of write cycles. Read/write speeds drop 30-50%. A factory reset doesn't repair silicon.
  • 02
    Battery-driven CPU throttling. After 300-500 charge cycles, internal resistance rises. Your CPU throttles itself by 30-50% to prevent overheating.
  • 03
    Manufacturer bloatware. Samsung ships 47 pre-installed apps. Xiaomi's ad framework runs constantly. Facebook Services is pre-installed on most phones. All consuming RAM, CPU, battery.
  • 04
    Software inflation. Apps you re-install are 3-5x larger than when your phone was new. Google Play Services alone uses 400MB+ of RAM.
  • 05
    Corporate negligence. Samsung throttled 10,000+ apps while exempting benchmarks ($58M settlement). Apple throttled iPhones without disclosure ($500M settlement).

"Cleaner apps on the Play Store show fake scans and serve ads. They are the bloatware."

Android Doctor diagnoses real hardware metrics via shell commands — the same tools engineers use.

What It Does

Diagnose. Fix. Prove it.

Full Diagnostic Scan

Battery health, storage wear (NAND/eMMC/UFS), RAM pressure, CPU load, thermal throttling, and bloatware detection across 8 manufacturers.

diagnose

Root Cause Attribution

Tells you if your slowdown is hardware, software, or thermal — with percentages. Not a vague "your phone is slow" message.

verdict

Safe Fix + Rollback

Disable bloatware, optimize settings, restrict battery drainers. Every change is snapshotted. One tap to undo everything.

fix / rollback

Before/After Benchmarks

Measures cold app launch times via am start -W. Benchmark before fixing, benchmark after. See exactly what changed.

benchmark

Battery Drain Analysis

Identifies which apps are draining your battery with per-app mAh consumption, charge cycle tracking, and thermal monitoring.

battery

Cache Clearing

System-wide cache trim that actually works. Freed 3.3 GB on our test device. Your photos, messages, app data — untouched.

clean
Real Results

21% faster — measured, not promised.

Tested on a Pixel 4a running Android 13. Cold launch times measured via am start -W.

AppBeforeAfterChange
Settings842ms346ms59% faster
Phone Dialer1,144ms510ms55% faster
WhatsApp990ms575ms42% faster
Google Photos794ms593ms25% faster
YouTube1,460ms1,263ms13% faster
Chrome448ms387ms14% faster
Average 1,028ms 810ms 21% faster

+290 MB RAM freed · -5% RAM usage · 3.3 GB cache cleared

Screenshots

See it in action.

Home screen Diagnosis results Health verdict Fix screen
Comparison

Not another cleaner app.

Play Store "Cleaners"UAD-ngAndroid Doctor
Reads NAND flash wearNoNoYes
Battery cycle countNoNoYes
Thermal throttle detectionNoNoYes
Root cause attributionNoNoYes
Before/after benchmarksNoNoYes
Removes bloatwareNoYesYes
Fully reversibleNoPartialYes
Shows adsYesNoNo
Open sourceNoYesYes
Get Started

Your phone deserves better.

No root. No ads. No cloud. Just answers.