# Carbon Notes vs OOMOL AI

The clearest difference is update cadence: OOMOL AI at every 2 days against Carbon Notes's every 3 weeks. On price, ads, in-app purchases 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 and OOMOL AI sells 10 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Carbon Notes ships an update every 3 weeks, OOMOL AI every 2 days. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Carbon Notes | OOMOL AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 65 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YMMV](https://appshunter.io/developer/1224453829) | [Oomol Inc](https://appshunter.io/developer/1702839342) |

## 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 |


### OOMOL AI

[App page](https://appshunter.io/ios/app/oomol-ai-image-studio/id6749377154)

Create professional product photos, posters, and marketing visuals using AI. Refine generated images with text prompts for background, composition, and details. Offers a conversational workflow for e-commerce and creative projects.

**Highlights:** AI image generation, Product photo creation, Poster and graphic design, Reference-based image editing, Conversational creative workflow, E-commerce visual generation

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard plan | $4.99 | per month |
| Quarterly subscription | $12.99 | per 3 months |
| AI Pro Plan | $19.99 | per month |
| AI Max Plan | $99.99 | per month |
| 5M Credits | $3.99 | one-time |
| 5 Credits | $4.99 | one-time |
| 20M Credits | $15.99 | one-time |
| 20 Credits | $19.99 | one-time |
| 100 Credits | $79.99 | one-time |
| 100 Credits | $99.99 | one-time |


## Frequently asked questions

### Is Carbon Notes free?

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

### Is OOMOL AI free?

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

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

Neither Carbon Notes nor OOMOL AI shows ads.

### Which is updated more often, Carbon Notes or OOMOL AI?

Carbon Notes ships an update every 3 weeks, and OOMOL AI every 2 days. Most recently, Carbon Notes was updated on September 10, 2026 and OOMOL AI on September 17, 2026.

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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.*