# 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 MuscleMemory

The clearest difference is review sentiment: 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 76% against MuscleMemory's 33%. 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 in-app purchases (none vs 5) and iOS requirement (11.0 vs 15.0). MuscleMemory's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. MuscleMemory sells 5 in-app purchases, starting at $2.99 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, MuscleMemory monthly. The most recent releases landed on October 1, 2026 and September 15, 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 | MuscleMemory |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **76.2% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Ad-supported** | Freemium |
| Size | 71 MB | 44 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yudai Fukuda](https://appshunter.io/developer/1434814836) | [Yosuke Ogata](https://appshunter.io/developer/1574464497) |

## 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


### MuscleMemory

[App page](https://appshunter.io/ios/app/musclememory-workout-tracker/id1586318354)

This app helps you track your fitness progress with a visual workout calendar and daily check-in photos. Log custom routines, keep fit notes, and review your history to see your dedication and build lasting habits.

**Highlights:** Visual workout calendar, Daily body check photos, Customizable training menus, Daily fit notes and reflections, Workout history and analytics

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 【One Month】Premium Features | $2.99 | per month |
| Premium For 3 months | $7.00 | per 3 months |
| 【Annual】Premium Features | $22.99 | per year |
| Remove Ads | $2.99 | one-time |
| 【LifeTime】Premium Features | $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 MuscleMemory free?

MuscleMemory 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 MuscleMemory 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; MuscleMemory 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 MuscleMemory?

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 MuscleMemory monthly. 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 October 1, 2026 and MuscleMemory on September 15, 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.*