# GuineaDay vs Wheeky

The clearest difference is in-app purchases: GuineaDay at none against Wheeky's 3. GuineaDay also leads on update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Wheeky sells 3 in-app purchases, starting at $8.99 per month. GuineaDay asks for nothing beyond the download.

GuineaDay ships an update weekly, Wheeky every 2 months. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | GuineaDay | Wheeky |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Size | 15 MB | 23 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ZHE WANG](https://appshunter.io/developer/1886329202) | [Kerem Turkozu](https://appshunter.io/developer/1792077167) |

## What reviewers say

### GuineaDay

[App page](https://appshunter.io/ios/app/guineaday/id6760804804)

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

**In-app purchases:** none


### Wheeky

[App page](https://appshunter.io/ios/app/wheeky-guinea-pig-identifier/id6782749421)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Access | $8.99 | per month |
| Annual Pro Access | $39.99 | per year |
| Lifetime Pro Access | $79.99 | one-time |


## Frequently asked questions

### Is GuineaDay free?

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

### Is Wheeky free?

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

### Do GuineaDay or Wheeky have ads?

Neither GuineaDay nor Wheeky shows ads.

### Which is updated more often, GuineaDay or Wheeky?

GuineaDay ships an update weekly, and Wheeky every 2 months. Most recently, GuineaDay was updated on October 9, 2026 and Wheeky 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.*