# CATALYST for Learning vs CATALYST E

The clearest difference is in-app purchases: CATALYST for Learning at none against CATALYST E's 1. CATALYST for Learning also leads on iOS requirement (10.0 vs 12.4). On price, ads and device support there is nothing between them.

Both are free to download. CATALYST E sells 1 one-off in-app purchase. CATALYST for Learning asks for nothing beyond the download.

## The numbers

| Metric | CATALYST for Learning | CATALYST E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 48 months | — |
| Size | 4 MB | 152 MB |
| Requires iOS | **10.0** | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Internet Testing Systems (ITS)](https://appshunter.io/developer/546817214) | [Shafeer Kallerikattil](https://appshunter.io/developer/1738613977) |

## What reviewers say

### CATALYST for Learning

[App page](https://appshunter.io/ios/app/catalyst-for-learning/id1469065092)

**In-app purchases:** none


### CATALYST E

[App page](https://appshunter.io/ios/app/catalyst-e-learning-app/id6480279711)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| INDIAN AND FOREIGN ACCOUNTING | $179.99 | one-time |


## Frequently asked questions

### Is CATALYST for Learning free?

CATALYST for Learning is free to download, with no in-app purchases.

### Is CATALYST E free?

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

### Do CATALYST for Learning or CATALYST E have ads?

Neither CATALYST for Learning nor CATALYST E shows ads.

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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.*