# SnapRoulette vs Knot Tying 3D

The clearest difference is in-app purchases: SnapRoulette at none against Knot Tying 3D's 1. Knot Tying 3D's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

SnapRoulette ships an update fortnightly, Knot Tying 3D every 2 weeks. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SnapRoulette | Knot Tying 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/knot-tying-3d/id6773546878/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 92 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SnapTool](https://appshunter.io/developer/1796068689) | [良 程](https://appshunter.io/developer/6773259834) |

## What reviewers say

### SnapRoulette

[App page](https://appshunter.io/ios/app/snaproulette-random-picker/id6754812290)

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

**In-app purchases:** none


### Knot Tying 3D

[App page](https://appshunter.io/ios/app/knot-tying-3d/id6773546878)

Learn to tie a variety of knots with immersive 3D animations and step-by-step instructions. Covers fishing, camping, climbing, and daily use scenarios. Practice essential ropework skills anytime, anywhere, even offline.

**Highlights:** Immersive 3D knot animations, Step-by-step instructions, 7 life scenario categories, Smart search by name or usage, Offline learning capability, Resume learning progress

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全部教程永久解锁 | $2.99 | one-time |


## Frequently asked questions

### Is SnapRoulette free?

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

### Is Knot Tying 3D free?

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

### Do SnapRoulette or Knot Tying 3D have ads?

SnapRoulette shows ads; Knot Tying 3D does not.

### Which is updated more often, SnapRoulette or Knot Tying 3D?

SnapRoulette ships an update fortnightly, and Knot Tying 3D every 2 weeks. Most recently, SnapRoulette was updated on October 26, 2026 and Knot Tying 3D on October 28, 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.*