# Boxing Timer Prof vs Serene Kid

The clearest difference is in-app purchases: Serene Kid at none against Boxing Timer Prof's 1. Serene Kid also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Boxing Timer Prof sells 1 one-off in-app purchase. Serene Kid asks for nothing beyond the download.

Boxing Timer Prof ships an update every 6 weeks, Serene Kid every 2 months. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Boxing Timer Prof | Serene Kid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (21 ratings)](https://appshunter.io/ios/app/boxing-timer-prof/id978829173/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 32.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 172 MB | 103 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maksim Pipkin](https://appshunter.io/developer/978829172) | [Advanced Yoga Therapy, Inc](https://appshunter.io/developer/1040239993) |

## What reviewers say

### Boxing Timer Prof

[App page](https://appshunter.io/ios/app/boxing-timer-prof/id978829173)

This app provides a flexible timer for boxing training, allowing customization of round and rest times. It includes preparation and round signals, and can be used for other interval training sports. Advanced features allow sensor-based control without removing gloves.

**Highlights:** Customizable round and rest times, Preparation, start, and end signals, Periodical signals within rounds, Accelerometer/proximity sensor control, Support for Muay Thai, MMA, Tabata, CrossFit, Customizable sound options

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disable ads | $3.99 | one-time |


### Serene Kid

[App page](https://appshunter.io/ios/app/serene-kid/id6463867124)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Boxing Timer Prof free?

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

### Is Serene Kid free?

Serene Kid is free to download, with no in-app purchases.

### Do Boxing Timer Prof or Serene Kid have ads?

Boxing Timer Prof shows ads; Serene Kid does not.

### Which is updated more often, Boxing Timer Prof or Serene Kid?

Boxing Timer Prof ships an update every 6 weeks, and Serene Kid every 2 months. Most recently, Boxing Timer Prof was updated on October 20, 2026 and Serene Kid 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.*