# ThinkBud vs Notepuff AI

The clearest difference is iOS requirement: Notepuff AI at 15.1 against ThinkBud's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ThinkBud sells 3 in-app purchases, starting at $3.99 per 7 days and Notepuff AI sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | ThinkBud | Notepuff AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 51 MB | 71 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mario Pek](https://appshunter.io/developer/1864898477) | [Akshay Eddula](https://appshunter.io/developer/1857947468) |

## What reviewers say

### ThinkBud

[App page](https://appshunter.io/ios/app/thinkbud-ai-pdf-to-flashcards/id6759010323)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $3.99 | per 7 days |
| Monthly Access | $6.99 | per month |
| Yearly Access | $29.99 | per year |


### Notepuff AI

[App page](https://appshunter.io/ios/app/notepuff-ai-scroll-method/id6760187203)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoteScroll AI Plus Weekly | $6.99 | per 7 days |
| NoteScroll AI Plus Monthly | $8.99 | per month |
| NoteScroll AI Plus - Annual | $49.99 | per year |


## Frequently asked questions

### Is ThinkBud free?

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

### Is Notepuff AI free?

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

### Do ThinkBud or Notepuff AI have ads?

Neither ThinkBud nor Notepuff AI 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.*