Android Performance Checker
Understand what affects Android app performance, with a checklist to keep it fast and smooth.
- Cold startMeasure cold start; defer non-critical init off the startup path.
- App startup libraryUse Jetpack App Startup / lazy init for heavy components.
- Main-thread workMove I/O, JSON, and DB work to background threads/coroutines.
- Rendering & jankKeep frames within budget; flatten deep view hierarchies.
- OverdrawReduce overdraw from stacked backgrounds.
- RecyclerView efficiencyReuse view holders; avoid heavy work in onBind.
- Memory & leaksProfile with LeakCanary/Android Studio; fix Activity/context leaks.
- Bitmap handlingDownsample images; avoid loading full-res into memory.
- Network efficiencyBatch and cache requests; use efficient formats and gzip.
- Battery & wakeupsUse WorkManager; avoid frequent alarms and stuck wake locks.
- Disk & DBIndex queries; avoid main-thread disk access; use paging.
- Baseline ProfilesShip a baseline profile to speed up startup and hot paths.
- Measure on low-end devicesValidate on slower hardware, not just flagships.
About Android Performance Checker
Understand what affects Android app performance, with a checklist to keep it fast and smooth.
Android Performance Checker is part of APKLint’s google play & compliance toolkit — Prep your listing, policies, and release for the store. It’s free to use and needs no account.
It’s a free reference — there’s nothing to upload and no account needed.
When to use Android Performance Checker
- Best for
- Understanding what affects Android app performance, with a checklist to keep it fast and smooth.
- Not the right tool for
- Not a profiler and not a binary analyzer; it is a reference.
- What you get back
- A performance checklist covering startup, rendering, memory, and jank.
- How it differs from related APKLint tools
- It is the broad performance guide; Android Vitals focuses specifically on the stability metrics Google tracks.
- Limitations
- Guidance only, last reviewed June 2026; measure with real profiling tools on a device.
How to use Android Performance Checker
- Open the checklist — Everything you need to review is laid out in plain language.
- Work through each item — Check your app against every point on the list.
- Fix what's flagged — Update your manifest, build, or listing where needed.
- Re-verify before release — Run through it once more before you publish.
Why use APKLint
Every tool is free with no login and no paywall. Reasonable file and input limits keep the free service stable.
A clean, focused interface with no third-party ad banners cluttering your results.
No upload and no account needed.
No analysis engine — this is a browser-only checklist.
Start immediately — no account, login, or email required.
Runs in any modern browser, on desktop or mobile.
Frequently asked questions
What does Android Performance Checker do?
Understand what affects Android app performance, with a checklist to keep it fast and smooth.
Is it free to use?
Yes. Every tool on APKLint is completely free, with no sign-up and no account.
Do I need to upload anything?
No. This is a free reference checklist you work through in your browser — there's nothing to upload and no file is analyzed.
Does it cover the latest Google Play requirements?
This is a static reference guide, last reviewed June 2026. Android and Google Play requirements change over time, so verify time-sensitive policy details in the Play Console before publishing.