# TRAINER WATCH vs Sprint Timer

The clearest difference is in-app purchases: TRAINER WATCH at none against Sprint Timer's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sprint Timer sells 2 one-off in-app purchases. TRAINER WATCH asks for nothing beyond the download.

TRAINER WATCH ships an update every 2 weeks, Sprint Timer monthly. The most recent releases landed on March 4, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | TRAINER WATCH | Sprint Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (4 ratings)](https://appshunter.io/ios/app/sprint-timer-on-your-mark/id1624679242/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 34 MB |
| Requires iOS | 14.2 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Kohei Karita](https://appshunter.io/developer/1576492807) | [NAOYA ONO](https://appshunter.io/developer/1530328146) |

## What reviewers say

### TRAINER WATCH

[App page](https://appshunter.io/ios/app/trainer-watch/id1576980886)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sprint Timer

[App page](https://appshunter.io/ios/app/sprint-timer-on-your-mark/id1624679242)

This app functions as a starter and stopwatch for track events. It allows users to customize starting commands and measure race times, with options for randomized timing and saving recorded data. It's ideal for practice sessions or when official starters are unavailable.

**Highlights:** Customizable start commands, Randomized SET to pistol timing, Save and view measured times, Adjustable distance settings, Color customization for timer and background

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Developer | $0.99 | one-time |
| Remove ads | $9.99 | one-time |


## Frequently asked questions

### Is TRAINER WATCH free?

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

### Is Sprint Timer free?

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

### Do TRAINER WATCH or Sprint Timer have ads?

Both TRAINER WATCH and Sprint Timer show ads.

### Which is updated more often, TRAINER WATCH or Sprint Timer?

TRAINER WATCH ships an update every 2 weeks, and Sprint Timer monthly. Most recently, TRAINER WATCH was updated on March 4, 2026 and Sprint Timer on September 12, 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.*