# FLEX Stronger vs AdaptForge

The clearest difference is in-app purchases: FLEX Stronger at none against AdaptForge's 2. FLEX Stronger also leads on iOS requirement (12.0 vs 26.5). On price, ads and device support there is nothing between them.

Both are free to download. AdaptForge sells 2 in-app purchases, starting at $2.99 per month. FLEX Stronger asks for nothing beyond the download.

## The numbers

| Metric | FLEX Stronger | AdaptForge |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 83 MB | 14 MB |
| Requires iOS | **12.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Kinetic Performance](https://appshunter.io/developer/343232407) | [Tim Doyle](https://appshunter.io/developer/1893240843) |

## 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


### AdaptForge

[App page](https://appshunter.io/ios/app/adaptforge-protocol-log/id6774651220)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AdaptForge IQ | $2.99 | per month |
| AdaptForge IQ | $39.99 | per year |


## Frequently asked questions

### Is FLEX Stronger free?

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

### Is AdaptForge free?

AdaptForge is free to download, with in-app purchases available.

### Do FLEX Stronger or AdaptForge have ads?

Neither FLEX Stronger nor AdaptForge shows ads.

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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.*