# RepSpeed vs FormCheck AI

The clearest difference is price: RepSpeed at Free against FormCheck AI's $0.99. RepSpeed also leads on review sentiment (83% vs 58%) and ratings volume (17 vs 2). FormCheck AI's advantage is rating (5.0 vs 4.5). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

RepSpeed is free to download; FormCheck AI costs $0.99 up front. RepSpeed sells 1 in-app purchase, starting at $0.99 per month and FormCheck AI sells 6 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

FormCheck AI holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: RepSpeed has 17 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 83% of RepSpeed's written reviews are positive against 58% of FormCheck AI's, so the app with the better star average is not the one people write more warmly about.

RepSpeed ships an update every 2 weeks, FormCheck AI fortnightly. The most recent releases landed on September 6, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | RepSpeed | FormCheck AI |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.5 (17 ratings)](https://appshunter.io/ios/app/repspeed/id1584279988/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/formcheck-ai/id1621267448/reviews)** |
| Number of ratings | **17** | 2 |
| Positive reviews | **83.3% of reviews** | 58.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Freemium | Free with in-app purchases |
| Size | 56 MB | 472 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sreyas Rangaraju](https://appshunter.io/developer/1570083962) | [Purestrength Limited](https://appshunter.io/developer/1621267450) |

## What reviewers say

### RepSpeed

[App page](https://appshunter.io/ios/app/repspeed/id1584279988)

This app uses your phone's camera to analyze barbell lifts, providing detailed metrics like bar path, velocity, and power. Optimize your training, improve form, and get stronger faster with advanced analytics.

**Highlights:** Automatic barbell detection, Barbell path visualization, Velocity and power metrics, Video recording and upload, Repetition tracking, Workout notes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RepSpeed Premium | $0.99 | per month |


### 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 |


## Frequently asked questions

### Is RepSpeed free?

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

### Is FormCheck AI free?

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

### Which has better reviews, RepSpeed or FormCheck AI?

FormCheck AI is rated higher. RepSpeed averages 4.5 out of 5 from 17 ratings, while FormCheck AI averages 5.0 from 2 ratings.

### Do RepSpeed or FormCheck AI have ads?

Neither RepSpeed nor FormCheck AI shows ads.

### Which is updated more often, RepSpeed or FormCheck AI?

RepSpeed ships an update every 2 weeks, and FormCheck AI fortnightly. Most recently, RepSpeed was updated on September 6, 2026 and FormCheck AI on September 23, 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.*