# JumpEye vs FAST!

The clearest difference is price: FAST! at Free against JumpEye's $2.99. FAST! also leads on review sentiment (100% vs 56%) and update cadence (every 3 days vs every 2 months). JumpEye's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

FAST! is free to download; JumpEye costs $2.99 up front. FAST! sells 1 in-app purchase, starting at $19.99 per year. JumpEye asks for nothing beyond the download.

JumpEye ships an update every 2 months, FAST! every 3 days. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | JumpEye | FAST! |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/jumpeye/id1451490992/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 55.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | **Paid** | Subscription |
| Size | 5 MB | 128 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [S-CADE, CORPORATION](https://appshunter.io/developer/1621269147) | [TNQ Tech, Co.](https://appshunter.io/developer/1817559824) |

## What reviewers say

### JumpEye

[App page](https://appshunter.io/ios/app/jumpeye/id1451490992)

This app analyzes vertical jump height by calculating flight time using your device's high-speed camera. Record or import videos, mark takeoff and landing frames, and get an automatic jump height calculation. It also offers a Rebound Jump Index for continuous jumping analysis.

**Highlights:** Vertical jump height calculation, Flight time measurement, High-speed camera integration, Video import from Photo Library, Manual frame marking (takeoff/landing), Rebound Jump Index calculation, Automatic file naming and editing

**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 JumpEye free?

JumpEye costs $2.99, with no in-app purchases.

### Is FAST! free?

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

### Do JumpEye or FAST! have ads?

Neither JumpEye nor FAST! shows ads.

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

JumpEye ships an update every 2 months, and FAST! every 3 days. Most recently, JumpEye was updated on September 22, 2026 and FAST! on September 20, 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.*