# SmartRedFilter vs AI Study Sheet

The clearest difference is ads: AI Study Sheet at none against SmartRedFilter's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. SmartRedFilter sells 1 one-off in-app purchase and AI Study Sheet sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | SmartRedFilter | AI Study Sheet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 3 days |
| Size | 11 MB | 5 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mitsuhiro Hashimoto](https://appshunter.io/developer/509482512) | [Masaki Iino](https://appshunter.io/developer/6778272211) |

## What reviewers say

### SmartRedFilter

[App page](https://appshunter.io/ios/app/smartredfilter/id6771782559)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $1.99 | one-time |


### AI Study Sheet

[App page](https://appshunter.io/ios/app/ai-study-sheet-active-recall/id6782023263)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Saves | $4.99 | one-time |


## Frequently asked questions

### Is SmartRedFilter free?

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

### Is AI Study Sheet free?

AI Study Sheet is free to download, with in-app purchases available.

### Do SmartRedFilter or AI Study Sheet have ads?

SmartRedFilter shows ads; AI Study Sheet 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.*