# 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 Interval Timer Calendar

The clearest difference is update cadence: Interval Timer Calendar at every 3 days against 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's every 3 weeks. 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's advantage is review sentiment (76% vs 54%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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, Interval Timer Calendar every 3 days. The most recent releases landed on September 8, 2026 and September 25, 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 | Interval Timer Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **76.2% of reviews** | 53.8% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 71 MB | 14 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yudai Fukuda](https://appshunter.io/developer/1434814836) | [isao utsumi](https://appshunter.io/developer/800652888) |

## 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


### Interval Timer Calendar

[App page](https://appshunter.io/ios/app/interval-timer-calendar/id1507102637)

This app helps you track your workouts with a simple timer and calendar integration. Set your training and break times, and automatically record your sessions. Save custom timers for quick access to your favorite routines.

**Highlights:** Muscle training timer, Automatic calendar recording, Save custom timer lists, Background operation support, Notification alerts, Workout review on calendar

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

**In-app purchases:** none


## 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 Interval Timer Calendar free?

Interval Timer Calendar is free to download, with no in-app purchases.

### 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 Interval Timer Calendar have ads?

Both 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 and Interval Timer Calendar show ads.

### 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 Interval Timer Calendar?

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 Interval Timer Calendar every 3 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 Interval Timer Calendar on September 25, 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.*