# Corps Kit vs Knot Tying 3D

The clearest difference is in-app purchases: Corps Kit at none against Knot Tying 3D's 1. Corps Kit also leads on iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Corps Kit | 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 | No | No |
| Update frequency | — | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 91 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Polemics Applications LLC](https://appshunter.io/developer/482504032) | [良 程](https://appshunter.io/developer/6773259834) |

## What reviewers say

### Corps Kit

[App page](https://appshunter.io/ios/app/corps-kit/id6738338343)

**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 Corps Kit free?

Corps Kit 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 Corps Kit or Knot Tying 3D have ads?

Neither Corps Kit nor Knot Tying 3D shows ads.

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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.*