# Tangle 3D vs NellCatch

The clearest difference is in-app purchases: NellCatch at none against Tangle 3D's 1. NellCatch also leads on update cadence (every 2 weeks vs every 4 weeks). Tangle 3D's advantage is iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Tangle 3D sells 1 one-off in-app purchase. NellCatch asks for nothing beyond the download.

Tangle 3D ships an update every 4 weeks, NellCatch every 2 weeks. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Tangle 3D | NellCatch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Size | 257 MB | 250 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Navid Rahmani](https://appshunter.io/developer/1702263590) | [Naoya Sakai](https://appshunter.io/developer/1395108738) |

## What reviewers say

### Tangle 3D

[App page](https://appshunter.io/ios/app/tangle-3d-untie-master/id6535689963)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### NellCatch

[App page](https://appshunter.io/ios/app/nellcatch/id6736881148)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tangle 3D free?

Tangle 3D is free to download, with in-app purchases available.

### Is NellCatch free?

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

### Do Tangle 3D or NellCatch have ads?

Both Tangle 3D and NellCatch show ads.

### Which is updated more often, Tangle 3D or NellCatch?

Tangle 3D ships an update every 4 weeks, and NellCatch every 2 weeks. Most recently, Tangle 3D was updated on September 17, 2026 and NellCatch on September 9, 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.*