CI/CD for Mobile Teams: Tame the macOS Minute Problem
Mobile teams pay the highest CI rates - macOS runners and heavy Gradle builds dominate the bill.
A dedicated mobile team feels macOS minute cost and toolchain flakiness daily. Cost control and reliability are the core concerns.
Cut macOS minute cost
iOS builds need macOS runners billed far above Linux. Keep everything that does not need macOS on cheap Linux runners.
Cache Gradle and build output
Cache Gradle caches and wrappers; right-size memory to avoid daemon OOM on Android builds.
Stop re-running flaky jobs
Simulators and signing flake constantly. Self-healing retries transient failures so you re-run fewer expensive macOS jobs.
Lower cost overall
Roughly 69% savings on the Linux side of the pipeline keeps the whole bill down.
Key takeaways
- Keep non-macOS work on cheap Linux.
- Cache Gradle; right-size memory.
- Self-heal flaky simulator/signing failures.
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