# IronLog vs FitMark

The clearest difference is iOS requirement: IronLog at 15.1 against FitMark's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

IronLog ships an update every 2 weeks, FitMark fortnightly. The most recent releases landed on September 13, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | IronLog | FitMark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 35 MB | 6 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Keito Miwa](https://appshunter.io/developer/1879774158) | [YUSEI SAKAI](https://appshunter.io/developer/1818540737) |

## What reviewers say

### IronLog

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

**Features:** macOS Compatibility

**In-app purchases:** none


### FitMark

[App page](https://appshunter.io/ios/app/fitmark/id6764771909)

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

**In-app purchases:** none


## Frequently asked questions

### Is IronLog free?

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

### Is FitMark free?

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

### Do IronLog or FitMark have ads?

Neither IronLog nor FitMark shows ads.

### Which is updated more often, IronLog or FitMark?

IronLog ships an update every 2 weeks, and FitMark fortnightly. Most recently, IronLog was updated on September 13, 2026 and FitMark on September 8, 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.*