Mobile App Launches with 4.8★ Rating Across 150+ Devices
AI-powered testing catches device-specific bugs before users
Services Used:
Consumer Mobile Startup
Consumer Apps
Berlin, Germany
The Challenge
What Consumer Mobile Startup was facing
A mobile-first startup was preparing to launch their consumer app but previous releases had 2-star ratings due to device-specific crashes and UI issues. With limited QA resources, they couldn't manually test across the Android fragmentation landscape.
Previous app had 2.1★ rating due to device-specific bugs
150+ device/OS combinations needed for target market
3-person team with no dedicated QA
Manual testing would take 4+ months
Investor demo in 6 weeks required polished launch
The Solution
How BugBrain helped
BugBrain deployed AI-powered mobile testing across a cloud device lab, automatically identifying device-specific issues and visual inconsistencies before launch.
Cloud device lab testing across 150+ real devices
AI-driven visual regression for UI consistency
Automated crash detection and categorization
Performance benchmarking across device tiers
Continuous testing on every build
The Results
Measurable outcomes from our partnership with Consumer Mobile Startup
App Rating
Launch day rating (up from 2.1★)
Device Coverage
Devices tested automatically
Crash Rate
vs industry average 1.5%
Launch Timeline
Ready for investor demo
“We went from dreading app store reviews to having users praise our app quality. BugBrain found issues on devices we didn't even know existed.”
Technical Co-founder
Mobile Startup
Topics covered in this case study:
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