# FLEX Stronger vs My Rapid

The clearest difference is update cadence: My Rapid at every 8 days against FLEX Stronger's monthly. My Rapid also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FLEX Stronger ships an update monthly, My Rapid every 8 days. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | FLEX Stronger | My Rapid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (8 ratings)](https://appshunter.io/ios/app/flex-stronger/id1452436164/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Free | — |
| Size | 56 MB | 31 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Kinetic Performance](https://appshunter.io/developer/343232407) | [RDM Innovation](https://appshunter.io/developer/1573984957) |

## What reviewers say

### FLEX Stronger

[App page](https://appshunter.io/ios/app/flex-stronger/id1452436164)

This app revolutionizes weight training by syncing with a sensor to provide real-time performance feedback. Track, manage, and review your training like elite athletes, with automated workouts and group training options. It offers detailed metrics, video recording with data overlay, and a community feature for sharing and downloading workouts.

**Highlights:** Real-time performance feedback, Velocity-based training (VBT), Automated workouts, Group training for up to three people, Video recording with synced data, 1RM prediction, Workout creation and sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### My Rapid

[App page](https://appshunter.io/ios/app/my-rapid/id6450635561)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FLEX Stronger free?

FLEX Stronger is free to download, with no in-app purchases.

### Is My Rapid free?

My Rapid is free to download, with no in-app purchases.

### Do FLEX Stronger or My Rapid have ads?

Neither FLEX Stronger nor My Rapid shows ads.

### Which is updated more often, FLEX Stronger or My Rapid?

FLEX Stronger ships an update monthly, and My Rapid every 8 days. Most recently, FLEX Stronger was updated on October 24, 2026 and My Rapid on October 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*