# CALOG vs IronLog

The clearest difference is ads: IronLog at none against CALOG's shown. On price, update cadence, 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.

CALOG ships an update every 9 days, IronLog every 2 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | CALOG | IronLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Size | 56 MB | 35 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [KOKI YAMAMOTO](https://appshunter.io/developer/1849198450) | [Keito Miwa](https://appshunter.io/developer/1879774158) |

## What reviewers say

### CALOG

[App page](https://appshunter.io/ios/app/calog-ai/id6754609187)

**Features:** macOS Compatibility, 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 CALOG free?

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

### Is IronLog free?

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

### Do CALOG or IronLog have ads?

CALOG shows ads; IronLog does not.

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

CALOG ships an update every 9 days, and IronLog every 2 weeks. Most recently, CALOG was updated on October 25, 2026 and IronLog on October 25, 2026.

---

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