# Cabri Express vs Derivative

The clearest difference is ads: Cabri Express at none against Derivative's shown. Derivative's advantage is update cadence (monthly vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Cabri Express ships an update every 4 months, Derivative monthly. The most recent releases landed on September 20, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Cabri Express | Derivative |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Size | 101 MB | 37 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cabrilog SAS](https://appshunter.io/developer/1058047739) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### Cabri Express

[App page](https://appshunter.io/ios/app/cabri-express/id1492915630)

**Features:** macOS Compatibility

**In-app purchases:** none


### Derivative

[App page](https://appshunter.io/ios/app/derivative-calculus/id1618969952)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cabri Express free?

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

### Is Derivative free?

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

### Do Cabri Express or Derivative have ads?

Derivative shows ads; Cabri Express does not.

### Which is updated more often, Cabri Express or Derivative?

Cabri Express ships an update every 4 months, and Derivative monthly. Most recently, Cabri Express was updated on September 20, 2026 and Derivative on September 8, 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.*