# Rainbow Block 3D vs iNSTiNCT

The clearest difference is ads: iNSTiNCT at none against Rainbow Block 3D's shown. iNSTiNCT also leads on update cadence (every 5 days vs every 3 weeks). Rainbow Block 3D's advantage is device support (3 vs 1) and iOS requirement (12.5 vs 17). On price 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.

Rainbow Block 3D ships an update every 3 weeks, iNSTiNCT every 5 days. Both last shipped on October 1, 2026.

## The numbers

| Metric | Rainbow Block 3D | iNSTiNCT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rainbow-block-3d/id1613659818/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 197 MB | 3 MB |
| Requires iOS | **12.5** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [MondayOFF](https://appshunter.io/developer/1448226898) | [Christian Rodriguez](https://appshunter.io/developer/1691008232) |

## What reviewers say

### Rainbow Block 3D

[App page](https://appshunter.io/ios/app/rainbow-block-3d/id1613659818)

A simple, touch-based game designed for quick play sessions. Enjoy a fantastic experience during your short breaks.

**Highlights:** Simple touch controls, Free to play, Short play sessions, Fantastic visual feel

**Features:** macOS Compatibility

**In-app purchases:** none


### iNSTiNCT

[App page](https://appshunter.io/ios/app/instinct-color-sorting/id6470671357)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rainbow Block 3D free?

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

### Is iNSTiNCT free?

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

### Do Rainbow Block 3D or iNSTiNCT have ads?

Rainbow Block 3D shows ads; iNSTiNCT does not.

### Which is updated more often, Rainbow Block 3D or iNSTiNCT?

Rainbow Block 3D ships an update every 3 weeks, and iNSTiNCT every 5 days. Most recently, Rainbow Block 3D was updated on October 1, 2026 and iNSTiNCT on October 1, 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.*