# Dot & Think vs Notra

The clearest difference is device support: Dot & Think at 3 against Notra's 1. On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Dot & Think sells 2 in-app purchases, starting at $4.99 per year and Notra sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Dot & Think | Notra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Size | 17 MB | 56 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [弦芳 梁](https://appshunter.io/developer/1542757874) | [Eclozion](https://appshunter.io/developer/6774210829) |

## What reviewers say

### Dot & Think

[App page](https://appshunter.io/ios/app/dot-and-think/id6801041621)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual | $4.99 | per year |
| Lifetime | $14.99 | one-time |


### Notra

[App page](https://appshunter.io/ios/app/notra-ai-study-notes/id6803191039)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notra Pro Monthly | $8.99 | per month |
| Notra Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is Dot & Think free?

Dot & Think is free to download, with in-app purchases available.

### Is Notra free?

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

### Do Dot & Think or Notra have ads?

Neither Dot & Think nor Notra 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.*