# caffree vs Bio

The clearest difference is in-app purchases: caffree at none against Bio's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Bio sells 3 in-app purchases, starting at $1.99 per 7 days. caffree asks for nothing beyond the download.

caffree ships an update monthly, Bio every 2 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | caffree | Bio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 36 MB | 42 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Emmett Harper](https://appshunter.io/developer/1812472642) | [Thomas Ferrer](https://appshunter.io/developer/1801518132) |

## What reviewers say

### caffree

[App page](https://appshunter.io/ios/app/caffree/id6745487389)

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

**In-app purchases:** none


### Bio

[App page](https://appshunter.io/ios/app/bio-rhythm-caffeine-tracker/id6756811259)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly subscrition | $1.99 | per 7 days |
| monthly subscrition | $5.99 | per month |
| yearly subscription | $29.99 | per year |


## Frequently asked questions

### Is caffree free?

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

### Is Bio free?

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

### Do caffree or Bio have ads?

Neither caffree nor Bio shows ads.

### Which is updated more often, caffree or Bio?

caffree ships an update monthly, and Bio every 2 months. Most recently, caffree was updated on October 15, 2026 and Bio on October 13, 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.*