# Fluxy vs Derive

The clearest difference is review sentiment: Fluxy at 100% against Derive's 42%. Fluxy also leads on in-app purchases (none vs 6). Derive's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

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

Fluxy ships an update every 4 days, Derive every 3 days. The most recent releases landed on September 7, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Fluxy | Derive |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (7 ratings)](https://appshunter.io/ios/app/derive-handwritten-math-notes/id6763991536/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | **100.0% of reviews** | 41.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 30 MB | 69 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [CHARLIE J SABIN](https://appshunter.io/developer/1887185761) | [Derive Notes Pty Ltd](https://appshunter.io/developer/1895589672) |

## What reviewers say

### Fluxy

[App page](https://appshunter.io/ios/app/fluxy/id6760994024)

Practice mathematics with precision and speed. Offers exact symbolic answers for various topics like trigonometry and calculus. Compete with friends or others at your skill level to improve your Elo rating and maintain daily streaks.

**Highlights:** Exact symbolic mathematics answers, Six core math topics covered, Competitive multiplayer challenges, Elo rating system, Daily streak tracking, Adaptive difficulty levels

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Fluxy free?

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

### Is Derive free?

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

### Do Fluxy or Derive have ads?

Neither Fluxy nor Derive shows ads.

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

Fluxy ships an update every 4 days, and Derive every 3 days. Most recently, Fluxy was updated on September 7, 2026 and Derive on September 23, 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.*