Setapp - Your shortcut to prime apps on Mac, an App Store alternative
TestFlight - iOS beta testing on the fly.
Metavine Platform - Metavine Platform is a comprehensive Platform-as-a-Service that help businesses build agility and compete effectively in the digital world by enabling them to iterate and create apps quickly.
TestFairy - Painless Beta Testing
Konfigure - APARTMENTS | VILLA | WORKSPACE | RETAIL
TestApp.io - A platform that helps both mobile app developers and owners to easily share their apps with everyone to get feedback before reaching publicly to Google and App stores.