# TRAINER WATCH vs Sprint Start Trainer

The clearest difference is in-app purchases: TRAINER WATCH at none against Sprint Start Trainer's 1. TRAINER WATCH also leads on iOS requirement (14.2 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

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

TRAINER WATCH ships an update every 2 weeks, Sprint Start Trainer every 3 weeks. The most recent releases landed on September 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | TRAINER WATCH | Sprint Start Trainer |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 27 MB |
| Requires iOS | **14.2** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kohei Karita](https://appshunter.io/developer/1576492807) | [Koki Osada](https://appshunter.io/developer/1501162473) |

## What reviewers say

### TRAINER WATCH

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

**Features:** macOS Compatibility

**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 TRAINER WATCH free?

TRAINER WATCH 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.

### Do TRAINER WATCH or Sprint Start Trainer have ads?

Both TRAINER WATCH and Sprint Start Trainer show ads.

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

TRAINER WATCH ships an update every 2 weeks, and Sprint Start Trainer every 3 weeks. Most recently, TRAINER WATCH was updated on September 29, 2026 and Sprint Start Trainer on October 14, 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.*