Author
Oliver Gesch
Oliver Gesch is the co-founder of Boldfinch, an independent web & app studio. He is a software engineer and product manager with 15+ years of experience building and shipping web and mobile products. He leads Checktopus’s technical development, from product architecture and release planning to implementation.
Articles by Oliver Gesch
- In-App Purchase vs Subscription: Which Fits Your App?
Compare in-app purchase and subscription models, then choose based on user value, store rules, and the work each model requires.
- Google Play Developer Console Errors: Fix Common Release Blocks
Fix Google Play Developer Console errors, from version codes and signing to policy declarations, reviewer access, and production testing.
- How to Publish an App on the Google Play Store: 2026 Guide
Learn how to publish an app on the Google Play Store, from Play Console setup and Android App Bundles to closed testing, review, and production.
- How to Submit an App to the App Store: 2026 Guide
Learn how to submit an app to the App Store, from App Store Connect and Xcode setup to review requirements, approval, release, and common fixes.