# Knotted 3D vs Sand Up

The clearest difference is ads: Knotted 3D at none against Sand Up's shown. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Knotted 3D | Sand Up |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 days | Every 2 days |
| Size | 129 MB | 264 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Raketspel](https://appshunter.io/developer/377899145) | [Fat Cat With a Hat](https://appshunter.io/developer/1847966967) |

## What reviewers say

### Knotted 3D

[App page](https://appshunter.io/ios/app/knotted-3d/id6810678502)

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

**In-app purchases:** none


### Sand Up

[App page](https://appshunter.io/ios/app/sand-up/id6813522075)

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

**In-app purchases:** none


## Frequently asked questions

### Is Knotted 3D free?

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

### Is Sand Up free?

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

### Do Knotted 3D or Sand Up have ads?

Sand Up shows ads; Knotted 3D does not.

### Which is updated more often, Knotted 3D or Sand Up?

Knotted 3D ships an update every 2 days, and Sand Up every 2 days. Most recently, Knotted 3D was updated on October 31, 2026 and Sand Up on October 31, 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.*