# OTWorld vs 3D

The clearest difference is update cadence: OTWorld at every 2 weeks against 3D's every 5 weeks. OTWorld also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OTWorld ships an update every 2 weeks, 3D every 5 weeks. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | OTWorld | 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Size | 64 MB | 94 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Leipziger Messe GmbH](https://appshunter.io/developer/871119159) | [Heinz Schiebler, Norddeutsche Gummistrumpffabrik GmbH & Co. KG](https://appshunter.io/developer/1799146412) |

## What reviewers say

### OTWorld

[App page](https://appshunter.io/ios/app/otworld/id1618957653)

**In-app purchases:** none


### 3D

[App page](https://appshunter.io/ios/app/3d-vapp/id6742645233)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OTWorld free?

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

### Is 3D free?

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

### Do OTWorld or 3D have ads?

Neither OTWorld nor 3D shows ads.

### Which is updated more often, OTWorld or 3D?

OTWorld ships an update every 2 weeks, and 3D every 5 weeks. Most recently, OTWorld was updated on October 4, 2026 and 3D on October 15, 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.*