MySigner

Articles

How-tos, deep dives, and lessons learned

How to Upload to TestFlight Without Xcode

Skip the Xcode Organizer. Upload to TestFlight from the command line in one step using App Store Connect API keys.

How to Make App Store Screenshots for All Locales Without Losing a Weekend

Localized App Store and Play screenshots used to take a weekend in Figma. Here is the fast way using device frames, captions, and AI translation.

Custom Product Pages on iOS Explained (and How to Manage All of Them)

A practical guide to App Store Custom Product Pages, when they make sense, and how to manage them at scale without losing your mind.

App Store Connect API Key Setup Guide (2026)

Step-by-step guide to creating, downloading, and using an App Store Connect API key for CI uploads and automated TestFlight submissions.

How to Ship a Flutter App to TestFlight Without Touching Xcode

Build, sign, and ship Flutter iOS apps to TestFlight from the command line. Skip Xcode entirely after initial setup.

Android Keystore Management for Indie Developers (Without the Horror Stories)

A practical guide to creating, storing, rotating, and not losing Android signing keystores. Tooling options included.

Mobile App CI/CD with GitHub Actions (iOS + Android, 2026)

A working GitHub Actions setup for shipping iOS and Android apps to TestFlight and Play Console. Real config files, real secrets, real costs.

Apple Search Ads Popularity Score, Explained for ASO

What the Apple Search Ads popularity score actually means, how to use it for ASO keyword research, and how it compares to third-party ASO scores.