# Sprint Start Trainer vs ATHTRALog

The clearest difference is review sentiment: Sprint Start Trainer at 90% against ATHTRALog's 50%. ATHTRALog's advantage is ads (none vs shown) and update cadence (every 5 days vs every 3 weeks). On price, in-app purchases, monetization model and iOS requirement there is nothing between them.

Both are free to download. Sprint Start Trainer sells 1 one-off in-app purchase and ATHTRALog sells 6 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Sprint Start Trainer ships an update every 3 weeks, ATHTRALog every 5 days. The most recent releases landed on November 4, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Sprint Start Trainer | ATHTRALog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (16 ratings)](https://appshunter.io/ios/app/sprint-start-trainer/id6473805472/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | **90.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 27 MB | 128 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Koki Osada](https://appshunter.io/developer/1501162473) | [MASANOBU SHINDOU](https://appshunter.io/developer/1861312872) |

## 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 |


### ATHTRALog

[App page](https://appshunter.io/ios/app/athtralog/id6756546629)

This app helps athletes manage their training by tracking workouts, providing personalized programs, and offering insights into daily readiness. It uses smart devices and phone sensors to measure performance and suggest optimal nutrition and recovery strategies.

**Highlights:** Tap-based workout logging, 70+ training programs for 19+ sports, Smartwatch integration for set completion, Daily fatigue score and readiness assessment, Load increase alerts (ACWR), Smartphone-based performance measurement (VBT, jump height), AI trainer consultations

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ミドルプラン | $3.99 | per month |
| ATHTRALog 有料版 | $9.99 | per month |
| プレミアムプラス | $12.99 | per month |
| 柔術 初心者パック | $19.99 | one-time |
| 柔術 中級者パック | $29.99 | one-time |
| 柔術 上級者パック | $49.99 | one-time |


## Frequently asked questions

### Is Sprint Start Trainer free?

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

### Is ATHTRALog free?

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

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

Sprint Start Trainer shows ads; ATHTRALog does not.

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

Sprint Start Trainer ships an update every 3 weeks, and ATHTRALog every 5 days. Most recently, Sprint Start Trainer was updated on November 4, 2026 and ATHTRALog on November 7, 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.*