# Muscle Stamp vs できた日

The clearest difference is in-app purchases: Muscle Stamp at none against できた日's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. できた日 sells 3 in-app purchases, starting at $2.99 per month. Muscle Stamp asks for nothing beyond the download.

Muscle Stamp ships an update every 4 days, できた日 every 2 days. The most recent releases landed on October 14, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Muscle Stamp | できた日 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/muscle-stamp/id6780130811/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 42 MB | 57 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Kazuki Ohya](https://appshunter.io/developer/6780130813) | [KAZUKI SAWASHIMA](https://appshunter.io/developer/6792463378) |

## What reviewers say

### Muscle Stamp

[App page](https://appshunter.io/ios/app/muscle-stamp/id6780130811)

Effortlessly log your workouts with a single tap for each muscle group trained. Set personalized weekly goals, track your training streaks, and visualize your progress over time. Focus on your fitness without the hassle of complex tracking.

**Highlights:** One-tap muscle group logging, Personalized weekly training goals, Workout streak tracking, Progress visualization, Built-in session timer

**In-app purchases:** none


### できた日

[App page](https://appshunter.io/ios/app/id6809199621)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO 月額 | $2.99 | per month |
| PRO 年額 | $22.99 | per year |
| PRO 買い切り | $59.99 | one-time |


## Frequently asked questions

### Is Muscle Stamp free?

Muscle Stamp is free to download, with no in-app purchases.

### Is できた日 free?

できた日 is free to download, with in-app purchases available.

### Do Muscle Stamp or できた日 have ads?

Neither Muscle Stamp nor できた日 shows ads.

### Which is updated more often, Muscle Stamp or できた日?

Muscle Stamp ships an update every 4 days, and できた日 every 2 days. Most recently, Muscle Stamp was updated on October 14, 2026 and できた日 on October 29, 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.*