# FormFix vs GNX Fit

The clearest difference is update cadence: GNX Fit at every 3 days against FormFix's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FormFix sells 2 in-app purchases, starting at $8.99 per month and GNX Fit sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

FormFix ships an update every 3 weeks, GNX Fit every 3 days. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | FormFix | GNX Fit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/formfix-fix-exercise-posture/id6736768112/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 67 MB | 95 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Solomon Haberkost](https://appshunter.io/developer/1773304250) | [Genesis NX](https://appshunter.io/developer/1818945352) |

## What reviewers say

### FormFix

[App page](https://appshunter.io/ios/app/formfix-fix-exercise-posture/id6736768112)

This AI-powered app analyzes your lifting form in real-time, offering instant feedback and corrections for exercises like squats. Record and review your lifts in slow motion to refine technique and achieve your fitness goals.

**Highlights:** Real-time AI form tracking, Instant feedback on technique, Detailed analysis for squats, Slow-motion lift review, Technique refinement, Performance enhancement

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $8.99 | per month |
| 1 Year Premium | $99.99 | per year |


### GNX Fit

[App page](https://appshunter.io/ios/app/gnx-fit/id6746904598)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $5.99 | per month |
| Yearly Subscription | $59.99 | per year |


## Frequently asked questions

### Is FormFix free?

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

### Is GNX Fit free?

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

### Do FormFix or GNX Fit have ads?

Neither FormFix nor GNX Fit shows ads.

### Which is updated more often, FormFix or GNX Fit?

FormFix ships an update every 3 weeks, and GNX Fit every 3 days. Most recently, FormFix was updated on October 2, 2026 and GNX Fit on October 15, 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.*