Based on our record, TestFairy seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Https://testfairy.com is also an alternative solution. You can have users and groups to share the apk. Source: almost 2 years ago
TestFlight - iOS beta testing on the fly.
Asklayer.io - Get real answers from your customers with Asklayers surveys, quizzes, polls and more. Works on any website with zero code and includes enterprise level features such auto-segmentation, user tagging, branching, NPS & CSAT calculation.
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.
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Doorbell.io - Collect in-app user feedback. Available on websites, iOS, and Android.