# Tetra vs PrimeFactorizationGame

The clearest difference is update cadence: Tetra at fortnightly against PrimeFactorizationGame's monthly. Tetra also leads on iOS requirement (13.0 vs 17.6). 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.

Tetra ships an update fortnightly, PrimeFactorizationGame monthly. The most recent releases landed on June 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Tetra | PrimeFactorizationGame |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (51 ratings)](https://appshunter.io/ios/app/tetra-easy-3d-creation/id1187046517/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 46.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 7 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Shingo Isobe](https://appshunter.io/developer/931751848) | [TomatoAppLab](https://appshunter.io/developer/1676711750) |

## What reviewers say

### Tetra

[App page](https://appshunter.io/ios/app/tetra-easy-3d-creation/id1187046517)

Create 3D models with intuitive point manipulation and surface editing tools. Publish your creations, share them with others, and export them for 3D printing or other applications. Offers symmetry, coloring, and layer management for detailed designs.

**Highlights:** Intuitive 3D shape creation, Point and surface editing, Color painting and erasing, Symmetry tools, STL and OBJ export, iCloud syncing and sharing, Layer management

**Features:** macOS Compatibility

**In-app purchases:** none


### PrimeFactorizationGame

[App page](https://appshunter.io/ios/app/primefactorizationgame/id6755812213)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tetra free?

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

### Is PrimeFactorizationGame free?

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

### Do Tetra or PrimeFactorizationGame have ads?

Both Tetra and PrimeFactorizationGame show ads.

### Which is updated more often, Tetra or PrimeFactorizationGame?

Tetra ships an update fortnightly, and PrimeFactorizationGame monthly. Most recently, Tetra was updated on June 8, 2026 and PrimeFactorizationGame on September 10, 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.*