# DifferentiationCalculator vs iTurbo3D

The clearest difference is device support: DifferentiationCalculator at 3 against iTurbo3D's 1. DifferentiationCalculator also leads on iOS requirement (12.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | DifferentiationCalculator | iTurbo3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 14 MB | 1 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ilona Kosinska](https://appshunter.io/developer/1538804529) | [ManneTroll Solutions](https://appshunter.io/developer/313743954) |

## What reviewers say

### DifferentiationCalculator

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

**Features:** macOS Compatibility

**In-app purchases:** none


### iTurbo3D

[App page](https://appshunter.io/ios/app/iturbo3d/id6787645374)

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

**In-app purchases:** none


## Frequently asked questions

### Is DifferentiationCalculator free?

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

### Is iTurbo3D free?

iTurbo3D is free to download, with no in-app purchases.

### Do DifferentiationCalculator or iTurbo3D have ads?

Neither DifferentiationCalculator nor iTurbo3D shows ads.

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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.*