# FormCheck AI vs 蛋壳之眼

The clearest difference is price: 蛋壳之眼 at Free against FormCheck AI's $0.99. 蛋壳之眼 also leads on review sentiment (100% vs 58%) and update cadence (every 5 days vs fortnightly). On rating, ratings volume, ads and in-app purchases there is nothing between them.

蛋壳之眼 is free to download; FormCheck AI costs $0.99 up front. FormCheck AI sells 6 in-app purchases, starting at $1.99 per 7 days and 蛋壳之眼 sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for FormCheck AI against 5.0 for 蛋壳之眼. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 58% of FormCheck AI's written reviews are positive against 100% of 蛋壳之眼's.

FormCheck AI ships an update fortnightly, 蛋壳之眼 every 5 days. Both last shipped on November 7, 2026.

## The numbers

| Metric | FormCheck AI | 蛋壳之眼 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/formcheck-ai/id1621267448/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/id6443984456/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 58.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 472 MB | 16 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Purestrength Limited](https://appshunter.io/developer/1621267450) | [谚华 张](https://appshunter.io/developer/1097524045) |

## What reviewers say

### FormCheck AI

[App page](https://appshunter.io/ios/app/formcheck-ai/id1621267448)

This AI-powered personal trainer analyzes your exercise videos to provide instant feedback on your squat, deadlift, and bench press form. Improve your technique, prevent injuries, and achieve your fitness goals with personalized guidance.

**Highlights:** AI video analysis for exercise form, Deadlift, squat, and bench press correction, Injury prevention guidance, Personalized AI feedback, Progress tracking, Fitness and nutrition articles

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly pro | $1.99 | per 7 days |
| Discounted Monthly Sub | $4.99 | per month |
| weekly pro | $9.99 | per 7 days |
| Monthly Subscription | $19.99 | per month |
| Yearly Subscription | $19.99 | per year |
| Discounted Yearly Subscription | $99.99 | per year |


### 蛋壳之眼

[App page](https://appshunter.io/ios/app/id6443984456)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专业版 · 月付 | $3.99 | per month |
| 专业版 · 年付 | $39.99 | per year |


## Frequently asked questions

### Is FormCheck AI free?

FormCheck AI costs $0.99, and also offers in-app purchases.

### Is 蛋壳之眼 free?

蛋壳之眼 is free to download, with in-app purchases available.

### Which has better reviews, FormCheck AI or 蛋壳之眼?

FormCheck AI and 蛋壳之眼 are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do FormCheck AI or 蛋壳之眼 have ads?

Neither FormCheck AI nor 蛋壳之眼 shows ads.

### Which is updated more often, FormCheck AI or 蛋壳之眼?

FormCheck AI ships an update fortnightly, and 蛋壳之眼 every 5 days. Most recently, FormCheck AI was updated on November 7, 2026 and 蛋壳之眼 on November 7, 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.*