# Carbon Notes vs Luminary AI

The clearest difference is in-app purchases: Luminary AI at none against Carbon Notes's 2. Carbon Notes's advantage is iOS requirement (17.6 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Carbon Notes sells 2 in-app purchases, starting at $19.99 per month. Luminary AI asks for nothing beyond the download.

## The numbers

| Metric | Carbon Notes | Luminary AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 12 MB | 19 MB |
| Requires iOS | **17.6** | 26.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YMMV](https://appshunter.io/developer/1224453829) | [Rebecca Despoiu](https://appshunter.io/developer/1063897792) |

## What reviewers say

### Carbon Notes

[App page](https://appshunter.io/ios/app/carbon-notes/id6748026908)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $19.99 | per month |
| AI Unlock | $4.99 | one-time |


### Luminary AI

[App page](https://appshunter.io/ios/app/luminary-ai/id6760267444)

**In-app purchases:** none


## Frequently asked questions

### Is Carbon Notes free?

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

### Is Luminary AI free?

Luminary AI is free to download, with no in-app purchases.

### Do Carbon Notes or Luminary AI have ads?

Neither Carbon Notes nor Luminary 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.*