# BTB Workout Log vs 筋トレLog

The clearest difference is in-app purchases: 筋トレLog at none against BTB Workout Log's 2. BTB Workout Log's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BTB Workout Log sells 2 in-app purchases, starting at $1.99 per month. 筋トレLog asks for nothing beyond the download.

BTB Workout Log ships an update every 4 days, 筋トレLog every 2 weeks. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | BTB Workout Log | 筋トレLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 48 MB | 5 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yoshitake Tani](https://appshunter.io/developer/1893963480) | [Chihiro Homma](https://appshunter.io/developer/6791006194) |

## What reviewers say

### BTB Workout Log

[App page](https://appshunter.io/ios/app/btb-workout-log-gym-tracker/id6762371418)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Premium Yearly | $19.99 | per year |


### 筋トレLog

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

**In-app purchases:** none


## Frequently asked questions

### Is BTB Workout Log free?

BTB Workout Log 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 BTB Workout Log or 筋トレLog have ads?

Neither BTB Workout Log nor 筋トレLog shows ads.

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

BTB Workout Log ships an update every 4 days, and 筋トレLog every 2 weeks. Most recently, BTB Workout Log was updated on October 15, 2026 and 筋トレLog on October 14, 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.*