# Functions and derivatives vs Derivative

The clearest difference is in-app purchases: Derivative at none against Functions and derivatives's 2. Functions and derivatives's advantage is ads (none vs shown) and update cadence (every 5 days vs monthly). On price and device support there is nothing between them.

Both are free to download. Functions and derivatives sells 2 one-off in-app purchases. Derivative asks for nothing beyond the download.

Functions and derivatives ships an update every 5 days, Derivative monthly. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Functions and derivatives | Derivative |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/functions-and-derivatives/id1295177417/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 27.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 37 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maxime Haeyaert](https://appshunter.io/developer/1274130669) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### Functions and derivatives

[App page](https://appshunter.io/ios/app/functions-and-derivatives/id1295177417)

Solve functions and calculate derivatives quickly with a powerful algorithm. Easily check your calculations and solve exercises with a single click. Enter your function and let the app handle the rest.

**Highlights:** Quick function and derivative solving, Detailed calculation steps, Exercise solving assistance, Single-click operation, User feedback for new features

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Delete ads | $0.99 | one-time |
| Formulas | $0.99 | one-time |


### Derivative

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Functions and derivatives free?

Functions and derivatives is free to download, with in-app purchases available.

### Is Derivative free?

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

### Do Functions and derivatives or Derivative have ads?

Derivative shows ads; Functions and derivatives does not.

### Which is updated more often, Functions and derivatives or Derivative?

Functions and derivatives ships an update every 5 days, and Derivative monthly. Most recently, Functions and derivatives was updated on October 3, 2026 and Derivative on October 12, 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.*