# SprintStart vs Sprint Start Trainer

The clearest difference is rating: Sprint Start Trainer at 4.9 against SprintStart's 3.3. Sprint Start Trainer also leads on update cadence (every 3 weeks vs every 19 months) and review sentiment (90% vs 67%). SprintStart's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Sprint Start Trainer sells 1 one-off in-app purchase. SprintStart asks for nothing beyond the download.

Sprint Start Trainer holds the better App Store score, 4.9 against 3.3. That said, the two scores are not equally well evidenced: Sprint Start Trainer has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 67% of SprintStart's written reviews are positive against 90% of Sprint Start Trainer's.

SprintStart ships an update every 19 months, Sprint Start Trainer every 3 weeks. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SprintStart | Sprint Start Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/sprintstart-reaction-time/id530460330/reviews) | **[4.9 (16 ratings)](https://appshunter.io/ios/app/sprint-start-trainer/id6473805472/reviews)** |
| Number of ratings | 3 | **16** |
| Positive reviews | 66.7% of reviews | **90.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 27 MB |
| Requires iOS | **7.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sten Kaiser](https://appshunter.io/developer/309325742) | [Koki Osada](https://appshunter.io/developer/1501162473) |

## What reviewers say

### SprintStart

[App page](https://appshunter.io/ios/app/sprintstart-reaction-time/id530460330)

Train for sprint starts and measure your reaction time. This app provides audio cues and a visual timer to record the interval between the starting signal and your movement.

**Highlights:** Practice sprint starts, Test reaction time, Audio start commands, Visual timer, Adjustable command-to-shot delay

**Features:** Vision Pro support

**In-app purchases:** none


### Sprint Start Trainer

[App page](https://appshunter.io/ios/app/sprint-start-trainer/id6473805472)

This app provides tools for solo athletic training, offering customizable interval settings for voice cues like "on your marks," "set," and a pistol sound. It features random timing starts with detailed configuration options to simulate various race scenarios.

**Highlights:** Customizable interval settings, Voice cues (on your marks, set, pistol), Random timing start, Detailed timing configuration, Simulates various race scenarios

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is SprintStart free?

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

### Is Sprint Start Trainer free?

Sprint Start Trainer is free to download, with in-app purchases available.

### Which has better reviews, SprintStart or Sprint Start Trainer?

Sprint Start Trainer is rated higher. SprintStart averages 3.3 out of 5 from 3 ratings, while Sprint Start Trainer averages 4.9 from 16 ratings.

### Do SprintStart or Sprint Start Trainer have ads?

Sprint Start Trainer shows ads; SprintStart does not.

### Which is updated more often, SprintStart or Sprint Start Trainer?

SprintStart ships an update every 19 months, and Sprint Start Trainer every 3 weeks. Most recently, SprintStart was updated on October 23, 2026 and Sprint Start Trainer on October 27, 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.*