# Beep Test for VO2 Max vs Serenity Time

The clearest difference is in-app purchases: Beep Test for VO2 Max at none against Serenity Time's 1. Beep Test for VO2 Max also leads on update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Serenity Time sells 1 one-off in-app purchase. Beep Test for VO2 Max asks for nothing beyond the download.

Beep Test for VO2 Max ships an update every 2 weeks, Serenity Time every 2 months. The most recent releases landed on September 16, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Beep Test for VO2 Max | Serenity Time |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/beep-test-for-vo2-max/id6743253632/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 23 MB | 382 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aaron F Stephenson](https://appshunter.io/developer/391222344) | [Alma-Innovations](https://appshunter.io/developer/1841250935) |

## What reviewers say

### Beep Test for VO2 Max

[App page](https://appshunter.io/ios/app/beep-test-for-vo2-max/id6743253632)

This app simplifies fitness shuttle run testing for coaches, educators, and athletes. It allows for easy athlete management, test creation with built-in audio, and one-tap scoring to calculate performance metrics like VO2 max. Track progress and review past results to optimize training.

**Highlights:** Athlete profile creation, Customizable test setup, Integrated beep test audio, One-tap scoring and calculation, Performance progress tracking, Historical test data review

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

**In-app purchases:** none


### Serenity Time

[App page](https://appshunter.io/ios/app/serenity-time/id6752860185)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Serenity Time Full Unlock | $2.99 | one-time |


## Frequently asked questions

### Is Beep Test for VO2 Max free?

Beep Test for VO2 Max is free to download, with no in-app purchases.

### Is Serenity Time free?

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

### Do Beep Test for VO2 Max or Serenity Time have ads?

Neither Beep Test for VO2 Max nor Serenity Time shows ads.

### Which is updated more often, Beep Test for VO2 Max or Serenity Time?

Beep Test for VO2 Max ships an update every 2 weeks, and Serenity Time every 2 months. Most recently, Beep Test for VO2 Max was updated on September 16, 2026 and Serenity Time on September 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*