# 筋活メモ vs IronLog

The clearest difference is ads: IronLog at none against 筋活メモ's shown. IronLog also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (15.1 vs 18.2). On price, in-app purchases and device support there is nothing between them.

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

筋活メモ ships an update every 2 months, IronLog every 2 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | 筋活メモ | IronLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 8 MB | 35 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kota Sakurai](https://appshunter.io/developer/1802450521) | [Keito Miwa](https://appshunter.io/developer/1879774158) |

## What reviewers say

### 筋活メモ

[App page](https://appshunter.io/ios/app/id6744973405)

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

**In-app purchases:** none


### IronLog

[App page](https://appshunter.io/ios/app/ironlog/id6759607068)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 筋活メモ free?

筋活メモ is free to download, with no in-app purchases.

### Is IronLog free?

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

### Do 筋活メモ or IronLog have ads?

筋活メモ shows ads; IronLog does not.

### Which is updated more often, 筋活メモ or IronLog?

筋活メモ ships an update every 2 months, and IronLog every 2 weeks. Most recently, 筋活メモ was updated on October 25, 2026 and IronLog on October 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.*