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Homechevron_rightResourceschevron_rightCase studychevron_rightHow we reduced an Android app's crash rate by 33% and ANR rate by 69%

How we reduced an Android app's crash rate by 33% and ANR rate by 69%

A focused Android stability effort reduced the app’s user-perceived crash and ANR rates by 33% and 69%, respectively.

QA & releaseEngineering
Comparison table showing an Android app's ANR rate down from 0.84% to 0.26% (about 69% lower) and crash rate down from 0.54% to 0.36% (about 33% lower).auto_storiesCase study
calendar_todayAug 4, 2026schedule2 min readverifiedQA & releaseNFNetForemost · Marketing Site Team
Highlight69%Reduction in user-perceived ANR rate
Highlight33%Reduction in user-perceived crash rate
PlatformAndroid
Public store listing:1M+ downloads
Scope:Crash and ANR reduction
Focus:Mobile stability

On this page

  • Finding the highest-impact issues
  • The result
  • Why stability matters
listOn this page3 sectionsexpand_more
  • Finding the highest-impact issues
  • The result
  • Why stability matters

An Android app was recording user-perceived crash and ANR rates above its stability targets. NetForemost analyzed the main causes, prioritized the issues with the greatest user impact, and implemented targeted fixes that reduced both rates substantially.

Stability is part of the mobile user experience. Unexpected closures and Application Not Responding (ANR) events interrupt use, making crash and ANR rates important indicators of product reliability.

The goal was to find the main causes of those incidents and focus the work where it would have the greatest impact on users.

linkFinding the highest-impact issues

NetForemost analyzed the primary causes of instability in the application and prioritized the problems with the greatest user impact. The team then implemented targeted fixes for the most frequent crashes and optimized the app's behavior to reduce ANR events.

linkThe result

The user-perceived crash rate fell from 0.54% to 0.36%, a reduction of about 33%. The user-perceived ANR rate fell from 0.84% to 0.26%, a reduction of about 69%. Together, these improvements reduced interruptions during use and gave Android users a more stable experience.

linkWhy stability matters

See how NetForemost supports mobile software development

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