# ThreeNote vs ContextorAI

The clearest difference is in-app purchases: ThreeNote at none against ContextorAI's 4. ThreeNote also leads on update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ContextorAI sells 4 in-app purchases, starting at $9.99 per month. ThreeNote asks for nothing beyond the download.

ThreeNote ships an update daily, ContextorAI every 3 weeks. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ThreeNote | ContextorAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/contextorai-ai-for-notes/id6759231826/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 98 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Jouni Erola](https://appshunter.io/developer/295758397) | [Coiner.Cab Corp](https://appshunter.io/developer/1674968391) |

## What reviewers say

### ThreeNote

[App page](https://appshunter.io/ios/app/threenote/id6736774101)

**Features:** macOS Compatibility

**In-app purchases:** none


### ContextorAI

[App page](https://appshunter.io/ios/app/contextorai-ai-for-notes/id6759231826)

This app transforms your notes into a personalized knowledge base powered by AI. Chat with an AI that understands your context and previous research, ensuring nothing gets lost. Capture anything, organize smartly with auto-generated tags, and access your knowledge across devices.

**Highlights:** Personalized AI knowledge base, Capture notes, photos, and text from images, AI chat with your notes as context, End-to-end encrypted private notes, Instant sync between iPhone and Mac, Automatic tag and title generation, Search text within images

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ContextorAI | $9.99 | per month |
| ContextorAI | $19.99 | per month |
| ContextorAI | $79.99 | per year |
| ContextorAI Pro | $149.99 | per year |


## Frequently asked questions

### Is ThreeNote free?

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

### Is ContextorAI free?

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

### Do ThreeNote or ContextorAI have ads?

Neither ThreeNote nor ContextorAI shows ads.

### Which is updated more often, ThreeNote or ContextorAI?

ThreeNote ships an update daily, and ContextorAI every 3 weeks. Most recently, ThreeNote was updated on October 2, 2026 and ContextorAI on October 14, 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.*