# Sprint Start Trainer vs Track Performance Calculator

The clearest difference is in-app purchases: Track Performance Calculator at none against Sprint Start Trainer's 1. Track Performance Calculator also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

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

Sprint Start Trainer ships an update every 3 weeks, Track Performance Calculator monthly. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Sprint Start Trainer | Track Performance Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (15 ratings)](https://appshunter.io/ios/app/sprint-start-trainer/id6473805472/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 184 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Koki Osada](https://appshunter.io/developer/1501162473) | [Keith Fingers](https://appshunter.io/developer/1545827500) |

## What reviewers say

### 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 |


### Track Performance Calculator

[App page](https://appshunter.io/ios/app/track-performance-calculator/id6763728709)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sprint Start Trainer free?

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

### Is Track Performance Calculator free?

Track Performance Calculator is free to download, with no in-app purchases.

### Do Sprint Start Trainer or Track Performance Calculator have ads?

Sprint Start Trainer shows ads; Track Performance Calculator does not.

### Which is updated more often, Sprint Start Trainer or Track Performance Calculator?

Sprint Start Trainer ships an update every 3 weeks, and Track Performance Calculator monthly. Most recently, Sprint Start Trainer was updated on October 14, 2026 and Track Performance Calculator on October 2, 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.*