# yoctoLife vs cogaon

The clearest difference is in-app purchases: yoctoLife at none against cogaon's 1. yoctoLife also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. cogaon sells 1 in-app purchase, starting at $3.99 per 7 days. yoctoLife asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | yoctoLife | cogaon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 90 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [YOCTO CO.,LTD.](https://appshunter.io/developer/381992814) | [株式会社オポチュニティ](https://appshunter.io/developer/1740927723) |

## What reviewers say

### yoctoLife

[App page](https://appshunter.io/ios/app/yoctolife/id6504076415)

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

**In-app purchases:** none


### cogaon

[App page](https://appshunter.io/ios/app/cogaon/id6761256681)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cogaon Pro 月間プラン | $3.99 | per 7 days |


## Frequently asked questions

### Is yoctoLife free?

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

### Is cogaon free?

cogaon is free to download, with in-app purchases available.

### Do yoctoLife or cogaon have ads?

Neither yoctoLife nor cogaon shows ads.

### Which is updated more often, yoctoLife or cogaon?

yoctoLife ships an update every 3 months, and cogaon every 3 months. Most recently, yoctoLife was updated on October 30, 2026 and cogaon on October 28, 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.*