# Cron Expression Generator vs OtterButter

The clearest difference is in-app purchases: Cron Expression Generator at none against OtterButter's 2. Cron Expression Generator also leads on iOS requirement (13.0 vs 15.1). OtterButter's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. OtterButter sells 2 in-app purchases, starting at $9.99 per month. Cron Expression Generator asks for nothing beyond the download.

## The numbers

| Metric | Cron Expression Generator | OtterButter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 weeks |
| Size | 23 MB | 57 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chun Yu Leung](https://appshunter.io/developer/1703764941) | [Rifat Cagri Ekin](https://appshunter.io/developer/1890270045) |

## What reviewers say

### Cron Expression Generator

[App page](https://appshunter.io/ios/app/cron-expression-generator/id6760611840)

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

**In-app purchases:** none


### OtterButter

[App page](https://appshunter.io/ios/app/otterbutter/id6761559340)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Everyday Otter Monthly | $9.99 | per month |
| Uber Otter Monthly | $17.99 | per month |


## Frequently asked questions

### Is Cron Expression Generator free?

Cron Expression Generator is free to download, with no in-app purchases.

### Is OtterButter free?

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

### Do Cron Expression Generator or OtterButter have ads?

Cron Expression Generator shows ads; OtterButter does not.

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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.*