# Vector Gem vs 3D Rotations and Quaternions

The clearest difference is update cadence: 3D Rotations and Quaternions at every 3 weeks against Vector Gem's every 2 months. 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.

Vector Gem ships an update every 2 months, 3D Rotations and Quaternions every 3 weeks. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Vector Gem | 3D Rotations and Quaternions |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 15 MB | 1 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fabian Langer](https://appshunter.io/developer/1537178343) | [Yuri Morozov](https://appshunter.io/developer/1582368813) |

## What reviewers say

### Vector Gem

[App page](https://appshunter.io/ios/app/vector-gem/id1537188969)

Visualize and manipulate 3D vectors, lines, and planes with multiple input formats. Explore intersections with axes and coordinate planes, and customize object colors and display settings.

**Highlights:** 3D vector, line, and plane input, Multiple input forms supported, Display of starting points and direction vectors, Calculation of intersection points, Customizable object colors and display settings

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D Rotations and Quaternions

[App page](https://appshunter.io/ios/app/3d-rotations-and-quaternions/id6618113140)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Vector Gem free?

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

### Is 3D Rotations and Quaternions free?

3D Rotations and Quaternions is free to download, with no in-app purchases.

### Do Vector Gem or 3D Rotations and Quaternions have ads?

Neither Vector Gem nor 3D Rotations and Quaternions shows ads.

### Which is updated more often, Vector Gem or 3D Rotations and Quaternions?

Vector Gem ships an update every 2 months, and 3D Rotations and Quaternions every 3 weeks. Most recently, Vector Gem was updated on October 7, 2026 and 3D Rotations and Quaternions on October 25, 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.*