# Smart Highlighter AI Reader vs Only This

The clearest difference is price: Only This at Free against Smart Highlighter AI Reader's $4.99. Smart Highlighter AI Reader's advantage is iOS requirement (15.5 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Only This is free to download; Smart Highlighter AI Reader costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Smart Highlighter AI Reader | Only This |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Size | 55 MB | 1 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Saeed Malik](https://appshunter.io/developer/1477437464) | [Jason Yohman](https://appshunter.io/developer/6793956101) |

## What reviewers say

### Smart Highlighter AI Reader

[App page](https://appshunter.io/ios/app/smart-highlighter-ai-reader/id6780113760)

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

**In-app purchases:** none


### Only This

[App page](https://appshunter.io/ios/app/only-this/id6793956099)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Smart Highlighter AI Reader free?

Smart Highlighter AI Reader costs $4.99, with no in-app purchases.

### Is Only This free?

Only This is free to download, with no in-app purchases.

### Do Smart Highlighter AI Reader or Only This have ads?

Neither Smart Highlighter AI Reader nor Only This 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.*