# Pay Cat Learn vs OneDayLearn

The clearest difference is in-app purchases: Pay Cat Learn at none against OneDayLearn's 3. Pay Cat Learn also leads on ads (none vs shown). OneDayLearn's advantage is update cadence (every 2 days vs fortnightly) and iOS requirement (13.0 vs 16.6). On price and device support there is nothing between them.

Both are free to download. OneDayLearn sells 3 in-app purchases, starting at $24.99 per month. Pay Cat Learn asks for nothing beyond the download.

Pay Cat Learn ships an update fortnightly, OneDayLearn every 2 days. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Pay Cat Learn | OneDayLearn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 2 days** |
| Size | 50 MB | 47 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emily Sudduth](https://appshunter.io/developer/1721274803) | [Rocky Solutions](https://appshunter.io/developer/1882266261) |

## What reviewers say

### Pay Cat Learn

[App page](https://appshunter.io/ios/app/pay-cat-learn/id6502670021)

**In-app purchases:** none


### OneDayLearn

[App page](https://appshunter.io/ios/app/onedaylearn-micro-learning/id6760546194)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $24.99 | per month |
| Quarterly | $49.99 | per 3 months |
| Annual | $139.99 | per year |


## Frequently asked questions

### Is Pay Cat Learn free?

Pay Cat Learn is free to download, with no in-app purchases.

### Is OneDayLearn free?

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

### Do Pay Cat Learn or OneDayLearn have ads?

OneDayLearn shows ads; Pay Cat Learn does not.

### Which is updated more often, Pay Cat Learn or OneDayLearn?

Pay Cat Learn ships an update fortnightly, and OneDayLearn every 2 days. Most recently, Pay Cat Learn was updated on October 1, 2026 and OneDayLearn on October 5, 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.*