# ジムログ vs CALOG

The clearest difference is in-app purchases: CALOG at none against ジムログ's 1. ジムログ's advantage is update cadence (every 4 days vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ジムログ sells 1 one-off in-app purchase. CALOG asks for nothing beyond the download.

ジムログ ships an update every 4 days, CALOG every 9 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ジムログ | CALOG |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 9 days |
| Size | 7 MB | 56 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [HIDEYA HOSHINO](https://appshunter.io/developer/1714452817) | [KOKI YAMAMOTO](https://appshunter.io/developer/1849198450) |

## What reviewers say

### ジムログ

[App page](https://appshunter.io/ios/app/id6479692718)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No ads + offline logging | $3.99 | one-time |


### CALOG

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

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

**In-app purchases:** none


## Frequently asked questions

### Is ジムログ free?

ジムログ is free to download, with in-app purchases available.

### Is CALOG free?

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

### Do ジムログ or CALOG have ads?

Both ジムログ and CALOG show ads.

### Which is updated more often, ジムログ or CALOG?

ジムログ ships an update every 4 days, and CALOG every 9 days. Most recently, ジムログ was updated on October 24, 2026 and CALOG 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.*