# Derive vs UniBlud

The clearest difference is in-app purchases: UniBlud at none against Derive's 6. Derive's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Derive sells 6 in-app purchases, starting at $8.99 per month. UniBlud asks for nothing beyond the download.

Derive ships an update every 3 days, UniBlud every 3 weeks. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Derive | UniBlud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (21 ratings)](https://appshunter.io/ios/app/derive-handwritten-math-notes/id6763991536/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 29.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Subscription | — |
| Size | 75 MB | 33 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Derive Notes Pty Ltd](https://appshunter.io/developer/1895589672) | [Ahmed Hassan Khawaja](https://appshunter.io/developer/6797505073) |

## What reviewers say

### Derive

[App page](https://appshunter.io/ios/app/derive-handwritten-math-notes/id6763991536)

This app provides an infinite canvas for handwritten math and science notes. It uses AI to recognize your handwriting, offering a live tutor for step-by-step assistance directly within your notes. Organize your work into notebooks that sync across devices.

**Highlights:** Infinite canvas for note-taking, Handwritten math recognition, Live AI tutor for step-by-step help, Notebook and page organization, Cross-device syncing, Light, dark, and sepia themes

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Derive Pro (Monthly, student) | $8.99 | per month |
| Derive Pro (Monthly) | $9.99 | per month |
| Derive Pro (Monthly, invited) | $9.99 | per month |
| Derive Pro (Yearly, student) | $75.00 | per year |
| Derive Pro (Annual) | $83.90 | per year |
| Derive Pro (Annual, invited) | $83.90 | per year |


### UniBlud

[App page](https://appshunter.io/ios/app/uniblud/id6797505071)

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

**In-app purchases:** none


## Frequently asked questions

### Is Derive free?

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

### Is UniBlud free?

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

### Do Derive or UniBlud have ads?

Neither Derive nor UniBlud shows ads.

### Which is updated more often, Derive or UniBlud?

Derive ships an update every 3 days, and UniBlud every 3 weeks. Most recently, Derive was updated on October 15, 2026 and UniBlud on October 1, 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.*