Long-form references
App Store Connect guides for iOS developers.
Deep, factually current guides to the parts of iOS publishing that every developer re-learns at the worst possible moment: API keys, screenshots, ASO keywords, version and build numbering, TestFlight, localization, custom product pages, and reading analytics. Updated for 2026.
How to submit without rejections
Apple's most common rejection reasons (4.0, 2.1, 5.1.1, 2.3.7) and how to pre-empt each one before review.
APIApp Store Connect API key setup
End-to-end: generating a Team Key, the .p8 file, the three roles, JWT auth, secure storage, revocation.
ScreenshotsScreenshot best practices that convert
What goes above the fold, the first-3 priority, video vs screenshot, captioning, A/B with custom product pages.
ASOASO keyword strategy
The 100-character keyword field demystified: stemming, no spaces, name+subtitle deduplication, partial matches.
VersionsVersions, builds, and TestFlight
Marketing version vs build number, version states, TestFlight internal/external, build expiration, phased release.
LocalizationLocalizing iOS apps to 40 locales
Apple's locale codes, fallback behavior, the cost/value of full vs partial localization, RTL, CJK, ASO per locale.
CPPCustom Product Pages for ad campaigns
The 35-page limit, what's customizable, attaching to Search Ads and external campaigns, A/B test patterns.
AnalyticsReading App Store Connect Analytics
Impressions vs Page Views, App Units vs Installations, conversion math, Sources panel, drop-cause diagnosis.