# コスログ vs ChillNavi

The clearest difference is update cadence: コスログ at weekly against ChillNavi's every 2 months. On price, ads, 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.

コスログ ships an update weekly, ChillNavi every 2 months. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | コスログ | ChillNavi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Size | 54 MB | 45 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Karin Inoue](https://appshunter.io/developer/1888731843) | [yusuke mori](https://appshunter.io/developer/1890813629) |

## What reviewers say

### コスログ

[App page](https://appshunter.io/ios/app/id6761301274)

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

**In-app purchases:** none


### ChillNavi

[App page](https://appshunter.io/ios/app/chillnavi/id6763676745)

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

**In-app purchases:** none


## Frequently asked questions

### Is コスログ free?

コスログ is free to download, with no in-app purchases.

### Is ChillNavi free?

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

### Do コスログ or ChillNavi have ads?

Neither コスログ nor ChillNavi shows ads.

### Which is updated more often, コスログ or ChillNavi?

コスログ ships an update weekly, and ChillNavi every 2 months. Most recently, コスログ was updated on October 25, 2026 and ChillNavi on October 31, 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.*