TestFairy might be a bit more popular than Adobe Flash Builder. We know about 1 link to it since March 2021 and only 1 link to Adobe Flash Builder. 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.
Just in case, see if this page helps: https://helpx.adobe.com/download-install/kb/download-availability.html. Source: over 1 year ago
Https://testfairy.com is also an alternative solution. You can have users and groups to share the apk. Source: almost 2 years ago
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