# TabataTimer タバタ式トレーニング用タイマー vs MuscleTrainingTimer

The clearest difference is in-app purchases: TabataTimer タバタ式トレーニング用タイマー at none against MuscleTrainingTimer's 1. MuscleTrainingTimer's advantage is ads (none vs shown) and update cadence (every 9 days vs every 7 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. MuscleTrainingTimer sells 1 one-off in-app purchase. TabataTimer タバタ式トレーニング用タイマー asks for nothing beyond the download.

TabataTimer タバタ式トレーニング用タイマー ships an update every 7 months, MuscleTrainingTimer every 9 days. The most recent releases landed on September 20, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | TabataTimer タバタ式トレーニング用タイマー | MuscleTrainingTimer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 9 days** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 20 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Shigeaki Harada](https://appshunter.io/developer/897400523) | [ryo muranaka](https://appshunter.io/developer/1606480078) |

## What reviewers say

### TabataTimer タバタ式トレーニング用タイマー

[App page](https://appshunter.io/ios/app/tabatatimer/id975935268)

This app precisely tracks time for high-intensity interval training (HIIT) workouts. It guides users through 20-second exercise bursts followed by 10-second rest periods, totaling four minutes per set. This method is scientifically proven to be effective for fat burning and dieting in a short amount of time.

**Highlights:** Precise timing for 20-second work intervals, Precise timing for 10-second rest intervals, Structured 4-minute workout sets, Supports Tabata (HIIT) training methodology, Scientifically proven fat burning benefits

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

**In-app purchases:** none


### MuscleTrainingTimer

[App page](https://appshunter.io/ios/app/muscletrainingtimer-exercise/id6446249318)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $19.99 | one-time |


## Frequently asked questions

### Is TabataTimer タバタ式トレーニング用タイマー free?

TabataTimer タバタ式トレーニング用タイマー is free to download, with no in-app purchases.

### Is MuscleTrainingTimer free?

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

### Do TabataTimer タバタ式トレーニング用タイマー or MuscleTrainingTimer have ads?

TabataTimer タバタ式トレーニング用タイマー shows ads; MuscleTrainingTimer does not.

### Which is updated more often, TabataTimer タバタ式トレーニング用タイマー or MuscleTrainingTimer?

TabataTimer タバタ式トレーニング用タイマー ships an update every 7 months, and MuscleTrainingTimer every 9 days. Most recently, TabataTimer タバタ式トレーニング用タイマー was updated on September 20, 2026 and MuscleTrainingTimer on September 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.*