# AngleEyeLite vs FAST!

The clearest difference is in-app purchases: AngleEyeLite at none against FAST!'s 1. FAST!'s advantage is update cadence (every 3 days vs every 2 months) and review sentiment (100% vs 75%). On price, ads and device support there is nothing between them.

Both are free to download. FAST! sells 1 in-app purchase, starting at $19.99 per year. AngleEyeLite asks for nothing beyond the download.

AngleEyeLite ships an update every 2 months, FAST! every 3 days. The most recent releases landed on September 7, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | AngleEyeLite | FAST! |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | **Free** | Subscription |
| Size | 9 MB | 128 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社S-CADE](https://appshunter.io/developer/1621269147) | [TNQ Tech, Co.](https://appshunter.io/developer/1817559824) |

## What reviewers say

### AngleEyeLite

[App page](https://appshunter.io/ios/app/angleeyelite/id1570640967)

This app uses AI to automatically detect joint angles in real-time, providing auditory feedback at specified angles. It's designed to help users objectively measure and improve their training depth and neuromuscular control.

**Highlights:** AI-driven automatic joint landmark detection, Real-time joint angle calculation, Auditory alerts at specified angles, Parallel mode for femur-to-floor detection, Front and rear camera switching, Intuitive and simple design

**Features:** macOS Compatibility

**In-app purchases:** none


### FAST!

[App page](https://appshunter.io/ios/app/fast/id6746974553)

This app uses AI-powered velocity-based training to help athletes and coaches manage team data, visualize movement speed, and optimize lifts. It supports various exercises and offers advanced features like motion comparison and custom tracking for detailed analysis.

**Highlights:** AI-powered VBT training, Team data management, Real-time movement speed visualization, Motion comparison mode, Custom tracking mode, Supports various core and Olympic lifts

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Plan | $19.99 | per year |


## Frequently asked questions

### Is AngleEyeLite free?

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

### Is FAST! free?

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

### Do AngleEyeLite or FAST! have ads?

Neither AngleEyeLite nor FAST! shows ads.

### Which is updated more often, AngleEyeLite or FAST!?

AngleEyeLite ships an update every 2 months, and FAST! every 3 days. Most recently, AngleEyeLite was updated on September 7, 2026 and FAST! on September 20, 2026.

---

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