# FormCheck Plus vs 4Level

The clearest difference is iOS requirement: FormCheck Plus at 15.1 against 4Level's 26.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FormCheck Plus sells 2 in-app purchases, starting at $9.99 per month and 4Level sells 2 in-app purchases, starting at $1.99 per year. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | FormCheck Plus | 4Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/formcheck-plus/id6787256708/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | Freemium | — |
| Size | 34 MB | 8 MB |
| Requires iOS | **15.1** | 26.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eduardo Duran](https://appshunter.io/developer/6787256710) | [Robert Poetzsch](https://appshunter.io/developer/1860642630) |

## What reviewers say

### FormCheck Plus

[App page](https://appshunter.io/ios/app/formcheck-plus/id6787256708)

Get instant, AI-powered feedback on your workout form. Analyze a single rep to identify what's working, what needs fixing, and how to improve your technique for more effective home exercises. Includes a guided library and progress tracking.

**Highlights:** AI Form Check with score and breakdown, Guided exercise library, Workout plans and session log, Daily readiness check-ins, Back-care routine, On-device video analysis

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FormCheck Plus Monthly | $9.99 | per month |
| FormCheck Plus Annual | $79.99 | per year |


### 4Level

[App page](https://appshunter.io/ios/app/4level/id6816633802)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4Level Pro Yearly | $1.99 | per year |
| 4Level Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is FormCheck Plus free?

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

### Is 4Level free?

4Level is free to download, with in-app purchases available.

### Do FormCheck Plus or 4Level have ads?

Neither FormCheck Plus nor 4Level shows ads.

---

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