# Derivative vs Integral Calculator app

The clearest difference is in-app purchases: Derivative at none against Integral Calculator app's 1. Integral Calculator app's advantage is ads (none vs shown) and update cadence (fortnightly vs monthly). On price and device support there is nothing between them.

Both are free to download. Integral Calculator app sells 1 one-off in-app purchase. Derivative asks for nothing beyond the download.

Derivative ships an update monthly, Integral Calculator app fortnightly. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Derivative | Integral Calculator app |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Free |
| Size | 37 MB | 44 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) | [talha rehman](https://appshunter.io/developer/1573036144) |

## What reviewers say

### Derivative

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Integral Calculator app

[App page](https://appshunter.io/ios/app/integral-calculator-app/id1624033320)

This application simplifies calculus by providing tools to solve various types of integrals. It offers step-by-step guidance, practice quizzes, and calculators for double integrals, triple integrals, and methods like shell and washer. It's designed to help users understand and solve complex calculus problems efficiently.

**Highlights:** Double integral calculator, Triple integral calculator, Shell method calculator, Washer method calculator, Practice quizzes, Step-by-step guidance

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Integral Calc Premium User | $3.99 | one-time |


## Frequently asked questions

### Is Derivative free?

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

### Is Integral Calculator app free?

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

### Do Derivative or Integral Calculator app have ads?

Derivative shows ads; Integral Calculator app does not.

### Which is updated more often, Derivative or Integral Calculator app?

Derivative ships an update monthly, and Integral Calculator app fortnightly. Most recently, Derivative was updated on September 8, 2026 and Integral Calculator app on September 17, 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.*