# Complex Vector Calc vs Vector3D

The clearest difference is in-app purchases: Complex Vector Calc at none against Vector3D's 1. Vector3D's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Vector3D sells 1 one-off in-app purchase. Complex Vector Calc asks for nothing beyond the download.

## The numbers

| Metric | Complex Vector Calc | Vector3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Size | 16 MB | 12 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Donnie Herman](https://appshunter.io/developer/837266303) | [Tin Chi Chan](https://appshunter.io/developer/6779461216) |

## What reviewers say

### Complex Vector Calc

[App page](https://appshunter.io/ios/app/complex-vector-calc-lite/id6760274300)

**In-app purchases:** none


### Vector3D

[App page](https://appshunter.io/ios/app/vector3d-math-plotter/id6779461214)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $0.99 | one-time |


## Frequently asked questions

### Is Complex Vector Calc free?

Complex Vector Calc is free to download, with no in-app purchases.

### Is Vector3D free?

Vector3D is free to download, with in-app purchases available.

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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.*