What we found
Matthew Hussey LoveLife: DMatthew Hussey helps millions of women with dating and relationships.
Google Play developer: Mighty Networks. Package: com.mightybell.lovelifemembers. Dating advice, relationship struggles, personal vulnerabilities shared in community — all stored by Mighty Software, Inc. Privacy policy: mightynetworks.com.
Tony Robbins Arena: DYou join "Tony Robbins Arena" thinking you're in Tony's inner circle.
Google Play developer: Mighty Software, Inc. Package: com.mightybell.tonyrobbinsarena. Support email: help@mightynetworks.com. All member data — personal development goals, community posts, payment info — goes to Mighty Networks' servers in Palo Alto, not Tony Robbins' organisation.
Kwik Brain Universe: DJim Kwik is the world's #1 brain performance coach.
Google Play developer: Mighty Networks. Package: com.mightybell.kwikbrain. 10,000+ downloads. All member data — learning progress, community posts, payment info — goes to Mighty Software, Inc. in Palo Alto. Users joining for brain performance coaching are subject to Mighty Networks' data practices.
Marie Forleo: DMarie Forleo's app is the home of B-School — her flagship entrepreneurship course.
App built on Mighty Networks infrastructure. App Store developer: Marie Forleo International, Inc. — but powered by Mighty Networks. Forleo is also a Mighty Networks investor, creating a conflict of interest: she profits from the platform that harvests her students' data.
Find What Feels Good: DAdriene's yoga app has 900+ videos and costs $12.99/month.
Developer on App Store: Find What Feels Good, Inc. But app is "proudly powered by VidApp." Package: tv.uscreen.findwhatfeelsgood — Uscreen namespace. Support routes to vidapp.com. Yoga practice data, viewing history, and payment info go through VidApp/Uscreen infrastructure.
DNCR by Matt Steffanina: DMatt Steffanina has 35 million followers.
Developer on Google Play: Victorious Inc. Package: com.creator.mattsteffanina. Matt also uses Kajabi separately for course delivery. App requests location, camera, phone identity permissions. Last updated September 2017 — abandoned by the platform developer.