# Learn Underwater vs ABC Advanced Learning App

The clearest difference is update cadence: ABC Advanced Learning App at every 3 weeks against Learn Underwater's every 3 months. Learn Underwater's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Learn Underwater sells 1 one-off in-app purchase and ABC Advanced Learning App sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Learn Underwater ships an update every 3 months, ABC Advanced Learning App every 3 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Learn Underwater | ABC Advanced Learning App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 21 MB | 76 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [www.ajaxmediatech.com](https://appshunter.io/developer/973768003) | [Prionix Global Technologies Private Limited](https://appshunter.io/developer/1200697413) |

## What reviewers say

### Learn Underwater

[App page](https://appshunter.io/ios/app/learn-underwater/id987875032)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ad | $0.99 | one-time |


### ABC Advanced Learning App

[App page](https://appshunter.io/ios/app/abc-advanced-learning-app/id1483578564)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads Free app | $0.99 | one-time |
| Pro Categories | $1.99 | one-time |


## Frequently asked questions

### Is Learn Underwater free?

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

### Is ABC Advanced Learning App free?

ABC Advanced Learning App is free to download, with in-app purchases available.

### Do Learn Underwater or ABC Advanced Learning App have ads?

Neither Learn Underwater nor ABC Advanced Learning App shows ads.

### Which is updated more often, Learn Underwater or ABC Advanced Learning App?

Learn Underwater ships an update every 3 months, and ABC Advanced Learning App every 3 weeks. Most recently, Learn Underwater was updated on October 7, 2026 and ABC Advanced Learning App on October 10, 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.*