# Limitless AI ChatBot Assistant vs Carbon Notes

The clearest difference is update cadence: Carbon Notes at every 3 weeks against Limitless AI ChatBot Assistant's every 8 months. Limitless AI ChatBot Assistant's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Limitless AI ChatBot Assistant sells 3 in-app purchases, starting at $19.99 per month and Carbon Notes sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Limitless AI ChatBot Assistant ships an update every 8 months, Carbon Notes every 3 weeks. The most recent releases landed on September 13, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Limitless AI ChatBot Assistant | Carbon Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/limitless-ai-chatbot-assistant/id6742362540/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 12 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AI Agent](https://appshunter.io/developer/1777335431) | [YMMV](https://appshunter.io/developer/1224453829) |

## What reviewers say

### Limitless AI ChatBot Assistant

[App page](https://appshunter.io/ios/app/limitless-ai-chatbot-assistant/id6742362540)

Engage in advanced AI conversations with access to multiple leading AI models. Integrate your own API keys for personalized experiences and enjoy a user-friendly interface for research, learning, or casual chats.

**Highlights:** Access to multiple advanced AI models, Custom API integration, User-friendly interface, Versatile use cases, Continuous updates

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $19.99 | per month |
| Yearly Plan | $200.00 | per year |
| Limitless Lifetime | $99.99 | one-time |


### 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 |


## Frequently asked questions

### Is Limitless AI ChatBot Assistant free?

Limitless AI ChatBot Assistant is free to download, with in-app purchases available.

### Is Carbon Notes free?

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

### Do Limitless AI ChatBot Assistant or Carbon Notes have ads?

Neither Limitless AI ChatBot Assistant nor Carbon Notes shows ads.

### Which is updated more often, Limitless AI ChatBot Assistant or Carbon Notes?

Limitless AI ChatBot Assistant ships an update every 8 months, and Carbon Notes every 3 weeks. Most recently, Limitless AI ChatBot Assistant was updated on September 13, 2026 and Carbon Notes on September 10, 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.*