# VoltOnoSprint vs FAST!

The clearest difference is monetization model: VoltOnoSprint at free with in-app purchases against FAST!'s subscription. VoltOnoSprint also leads on device support (4 vs 2). FAST!'s advantage is update cadence (every 3 days vs every 3 weeks) and iOS requirement (12.0 vs 15.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. VoltOnoSprint sells 4 in-app purchases, starting at $0.99 per month and FAST! sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

VoltOnoSprint ships an update every 3 weeks, FAST! every 3 days. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | VoltOnoSprint | FAST! |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 73 MB | 128 MB |
| Requires iOS | 15.4 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | 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

### VoltOnoSprint

[App page](https://appshunter.io/ios/app/voltonosprint/id1541520728)

This app connects to a dedicated server to enable timing measurements using a photoelectric sensor. It facilitates accurate time tracking for various sports and activities.

**Highlights:** Photoelectric sensor integration, Dedicated server connection, Accurate time measurement, Sports timing, CSV data export

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1ユーザー+CSV出力プラン | $0.99 | per month |
| 50ユーザー+CSV出力プラン | $3.99 | per month |
| 100ユーザー+CSV出力プラン | $6.99 | per month |
| 1000ユーザー+CSV出力プラン | $9.99 | per month |


### 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 VoltOnoSprint free?

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

### Is FAST! free?

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

### Do VoltOnoSprint or FAST! have ads?

Neither VoltOnoSprint nor FAST! shows ads.

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

VoltOnoSprint ships an update every 3 weeks, and FAST! every 3 days. Most recently, VoltOnoSprint was updated on September 21, 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.*