# Functions and derivatives vs DifferentiationCalculator

The clearest difference is in-app purchases: DifferentiationCalculator at none against Functions and derivatives's 2. Functions and derivatives's advantage is update cadence (every 5 days vs every 4 months) and iOS requirement (9.0 vs 12.0). On price, ads and device support there is nothing between them.

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

Functions and derivatives ships an update every 5 days, DifferentiationCalculator every 4 months. The most recent releases landed on October 3, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Functions and derivatives | DifferentiationCalculator |
| --- | --- | --- |
| 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 | No |
| Update frequency | **Every 5 days** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 14 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maxime Haeyaert](https://appshunter.io/developer/1274130669) | [Ilona Kosinska](https://appshunter.io/developer/1538804529) |

## 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 |


### DifferentiationCalculator

[App page](https://appshunter.io/ios/app/differentiationcalculator/id1538804527)

**Features:** macOS Compatibility

**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 DifferentiationCalculator free?

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

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

Neither Functions and derivatives nor DifferentiationCalculator shows ads.

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

Functions and derivatives ships an update every 5 days, and DifferentiationCalculator every 4 months. Most recently, Functions and derivatives was updated on October 3, 2026 and DifferentiationCalculator on September 19, 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.*