# Functions and integrals vs Derivative

The clearest difference is in-app purchases: Derivative at none against Functions and integrals's 2. Functions and integrals'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 integrals sells 2 one-off in-app purchases. Derivative asks for nothing beyond the download.

Functions and integrals ships an update every 5 days, Derivative monthly. The most recent releases landed on September 28, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Functions and integrals | Derivative |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 28 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 integrals

[App page](https://appshunter.io/ios/app/functions-and-integrals/id1331081431)

This app quickly resolves integrals using a powerful algorithm. It calculates integrals of functions and composite functions, providing detailed steps for easy exercise solving and calculation checking. Simply input your function and let the app handle the rest.

**Highlights:** Integral calculation, Composite function integration, Detailed calculation steps, Quick problem solving, Easy function input

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advertising | $0.99 | one-time |
| Details and Formulas | $1.99 | one-time |


### Derivative

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Functions and integrals free?

Functions and integrals 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 integrals or Derivative have ads?

Derivative shows ads; Functions and integrals does not.

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

Functions and integrals ships an update every 5 days, and Derivative monthly. Most recently, Functions and integrals was updated on September 28, 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.*