# 筋トレ応援！美少女インターバルタイマーforトレーニング vs ATHTRALog

The clearest difference is in-app purchases: 筋トレ応援！美少女インターバルタイマーforトレーニング at none against ATHTRALog's 5. 筋トレ応援！美少女インターバルタイマーforトレーニング also leads on review sentiment (76% vs 50%) and iOS requirement (11.0 vs 17.0). ATHTRALog's advantage is ads (none vs shown) and update cadence (every 5 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. ATHTRALog sells 5 in-app purchases, starting at $3.99 per month. 筋トレ応援！美少女インターバルタイマーforトレーニング asks for nothing beyond the download.

筋トレ応援！美少女インターバルタイマーforトレーニング ships an update every 3 weeks, ATHTRALog every 5 days. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 筋トレ応援！美少女インターバルタイマーforトレーニング | ATHTRALog |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **76.2% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 71 MB | 112 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yudai Fukuda](https://appshunter.io/developer/1434814836) | [MASANOBU SHINDOU](https://appshunter.io/developer/1861312872) |

## What reviewers say

### 筋トレ応援！美少女インターバルタイマーforトレーニング

[App page](https://appshunter.io/ios/app/for/id1480148547)

This interval timer app uses charming anime characters to motivate your workouts. Set exercise and rest times, and enjoy encouraging voice lines and animations. It's designed to make fitness more fun and engaging for everyone.

**Highlights:** Anime character motivation, Customizable exercise/rest timers, Encouraging voice lines, Countdown timer, Animation for remaining time, Background music playback

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

**In-app purchases:** none


### ATHTRALog

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

This app quantifies training quality to maximize performance while preventing injuries. It visualizes fatigue with five key metrics and automatically assesses overtraining risk based on daily input. Offers over 23 training programs tailored to individual goals and experience levels.

**Highlights:** Quantify training quality, Visualize fatigue with 5 metrics, Automatic overtraining risk assessment, 23+ tailored training programs, Jump performance tracking, Video-based bar speed measurement

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ミドルプラン | $3.99 | per month |
| ATHTRALog 有料版 | $9.99 | 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 筋トレ応援！美少女インターバルタイマーforトレーニング free?

筋トレ応援！美少女インターバルタイマーforトレーニング is free to download, with no in-app purchases.

### Is ATHTRALog free?

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

### Do 筋トレ応援！美少女インターバルタイマーforトレーニング or ATHTRALog have ads?

筋トレ応援！美少女インターバルタイマーforトレーニング shows ads; ATHTRALog does not.

### Which is updated more often, 筋トレ応援！美少女インターバルタイマーforトレーニング or ATHTRALog?

筋トレ応援！美少女インターバルタイマーforトレーニング ships an update every 3 weeks, and ATHTRALog every 5 days. Most recently, 筋トレ応援！美少女インターバルタイマーforトレーニング was updated on September 8, 2026 and ATHTRALog on September 10, 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.*