# POWER vs 筋トレLog

The clearest difference is in-app purchases: 筋トレLog at none against POWER's 4. 筋トレLog also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. POWER sells 4 in-app purchases, starting at $5.99 per month. 筋トレLog asks for nothing beyond the download.

POWER ships an update every 5 days, 筋トレLog every 9 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | POWER | 筋トレLog |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 5 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YOTATIS MANGNIMIT](https://appshunter.io/developer/6776593750) | [Chihiro Homma](https://appshunter.io/developer/6791006194) |

## What reviewers say

### POWER

[App page](https://appshunter.io/ios/app/power-workout-log-and-level-up/id6776593748)

Transform your gym sessions into a rewarding experience. Log workouts, earn experience points, level up, and unlock achievements. Track your progress with detailed analytics and visual representations of your strength development.

**Highlights:** Log workouts in three taps, Gamified leveling system with EXP and titles, Detailed progress and growth analysis, Muscle map visualization, Personal record history, Shareable workout summaries

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $5.99 | per month |
| プロ | $9.99 | per month |
| プレミアム | $49.99 | per year |
| プロ | $69.99 | per year |


### 筋トレLog

[App page](https://appshunter.io/ios/app/log/id6800222286)

**In-app purchases:** none


## Frequently asked questions

### Is POWER free?

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

### Is 筋トレLog free?

筋トレLog is free to download, with no in-app purchases.

### Do POWER or 筋トレLog have ads?

POWER shows ads; 筋トレLog does not.

### Which is updated more often, POWER or 筋トレLog?

POWER ships an update every 5 days, and 筋トレLog every 9 days. Most recently, POWER was updated on October 31, 2026 and 筋トレLog on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*