UP Coaching vs Retro Flex
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
UP Coaching
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Online Coaching Service Helping busy guys to attain their dream physiques with bespoke training and nutrition plans without sacrificing their quality of life Join the team -> https://qqqjrzvj56l.typeform.com/to/n2bD9Fxa * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy
Retro Flex
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Welcome to the official app for retro flex gym, where you can sign into club, access workouts & much more!
Screenshots
Verdict
The clearest difference is in-app purchases: Retro Flex at none against UP Coaching's 1. On price, update cadence, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. UP Coaching sells 1 in-app purchase, starting at $150.00 per month. Retro Flex asks for nothing beyond the download.
UP Coaching ships an update every 2 months, Retro Flex every 6 weeks. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.
| Parameter | UP Coaching | Retro Flex |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 6 weeks โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.1 โ better | 15.1 |
| Further details โ not scored | ||
| Size | 37 MB | 40 MB |
| Age rating | 17+ | 17+ |
| Developer | Nick McCarthy | Fit Cloud Technology Limited |
In-app purchases
UP Coaching
- Monthly Coaching$150.001 Month
Retro Flex
No in-app purchases









