# Sisyphus +Code vs Derivative

The clearest difference is price: Sisyphus +Code at Free against Derivative's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Sisyphus +Code is free to download; Derivative costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sisyphus +Code ships an update every 6 weeks, Derivative monthly. The most recent releases landed on September 29, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Sisyphus +Code | Derivative |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Size | 38 MB | 32 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sisyphus Industries LLC](https://appshunter.io/developer/1451646270) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### Sisyphus +Code

[App page](https://appshunter.io/ios/app/sisyphus-plus-code/id1604658097)

**In-app purchases:** none


### Derivative

[App page](https://appshunter.io/ios/app/derivative-calculus-pro/id1618965619)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sisyphus +Code free?

Sisyphus +Code is free to download, with no in-app purchases.

### Is Derivative free?

Derivative costs $1.99, with no in-app purchases.

### Do Sisyphus +Code or Derivative have ads?

Neither Sisyphus +Code nor Derivative shows ads.

### Which is updated more often, Sisyphus +Code or Derivative?

Sisyphus +Code ships an update every 6 weeks, and Derivative monthly. Most recently, Sisyphus +Code was updated on September 29, 2026 and Derivative on October 11, 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.*