# eigenCalc vs TurfDose

The clearest difference is iOS requirement: TurfDose at 12.0 against eigenCalc's 15.5. On price, ads, in-app purchases and device support 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 | eigenCalc | TurfDose |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 2 MB | 26 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Luis Acevedo-Arreguin](https://appshunter.io/developer/1642773653) | [Ryan Sanders](https://appshunter.io/developer/1802376832) |

## What reviewers say

### eigenCalc

[App page](https://appshunter.io/ios/app/eigencalc/id6503222785)

**Features:** macOS Compatibility

**In-app purchases:** none


### TurfDose

[App page](https://appshunter.io/ios/app/turfdose/id6743347692)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eigenCalc free?

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

### Is TurfDose free?

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

### Do eigenCalc or TurfDose have ads?

Neither eigenCalc nor TurfDose 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.*