# ER3D Euler Rotations in 3D vs HelixPlot

The clearest difference is iOS requirement: HelixPlot at 15.0 against ER3D Euler Rotations in 3D's 18.0. 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 | ER3D Euler Rotations in 3D | HelixPlot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 114 MB | 12 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eliott Radcliffe](https://appshunter.io/developer/1477487767) | [Yonghun Kim](https://appshunter.io/developer/1851972427) |

## What reviewers say

### ER3D Euler Rotations in 3D

[App page](https://appshunter.io/ios/app/er3d-euler-rotations-in-3d/id6741169432)

**Features:** macOS Compatibility

**In-app purchases:** none


### HelixPlot

[App page](https://appshunter.io/ios/app/helixplot/id6757285741)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ER3D Euler Rotations in 3D free?

ER3D Euler Rotations in 3D is free to download, with no in-app purchases.

### Is HelixPlot free?

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

### Do ER3D Euler Rotations in 3D or HelixPlot have ads?

Neither ER3D Euler Rotations in 3D nor HelixPlot 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.*