# YO YO Endurance Test vs AMRAP Box

The clearest difference is price: AMRAP Box at Free against YO YO Endurance Test's $4.99. AMRAP Box also leads on update cadence (every 4 days vs every 5 weeks) and iOS requirement (15.1 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

AMRAP Box is free to download; YO YO Endurance Test costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

YO YO Endurance Test ships an update every 5 weeks, AMRAP Box every 4 days. The most recent releases landed on October 16, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | YO YO Endurance Test | AMRAP Box |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 4.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 23 MB | 28 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BIT AND WEB](https://appshunter.io/developer/359338751) | [Taras Shypka](https://appshunter.io/developer/1890458364) |

## What reviewers say

### YO YO Endurance Test

[App page](https://appshunter.io/ios/app/yo-yo-endurance-test/id395238889)

This app helps athletes measure their physical efficiency by conducting an endurance test. It tracks split times over a series of sprints, calculates key performance parameters, and provides a Vo2Max estimate. Manage multiple athletes, analyze results, and sync data across devices.

**Highlights:** Conduct Yo-Yo Endurance Test, Track split times, Calculate performance parameters, Estimate Vo2Max, Manage multiple athletes, Analyze test results, iCloud sync

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

**In-app purchases:** none


### AMRAP Box

[App page](https://appshunter.io/ios/app/amrap-box-workout-timer/id6767149937)

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

**In-app purchases:** none


## Frequently asked questions

### Is YO YO Endurance Test free?

YO YO Endurance Test costs $4.99, with no in-app purchases.

### Is AMRAP Box free?

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

### Do YO YO Endurance Test or AMRAP Box have ads?

Neither YO YO Endurance Test nor AMRAP Box shows ads.

### Which is updated more often, YO YO Endurance Test or AMRAP Box?

YO YO Endurance Test ships an update every 5 weeks, and AMRAP Box every 4 days. Most recently, YO YO Endurance Test was updated on October 16, 2026 and AMRAP Box on September 30, 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.*