# RainbowSifter vs Number Blocks Game

The clearest difference is price: RainbowSifter at Free against Number Blocks Game's $0.49. Number Blocks Game's advantage is chart position (#195 vs unranked) and device support. On in-app purchases and iOS requirement there is nothing between them.

RainbowSifter is free to download; Number Blocks Game costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | RainbowSifter | Number Blocks Game |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rainbowsifter/id1616453352/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 6 months |
| Monetization | Free | — |
| Best chart rank | — | **#195** |
| Size | 8 MB | 13 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | — | **iPhone, iPad, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Robert Hennessy](https://appshunter.io/developer/381643143) | [Murat Saygin](https://appshunter.io/developer/1835723040) |

## What reviewers say

### RainbowSifter

[App page](https://appshunter.io/ios/app/rainbowsifter/id1616453352)

A color-matching puzzle game where players select six primary rainbow colors from an expanding selection. Drag colors to a target to build your rainbow. Long-press the target for additional options.

**Highlights:** Color selection, Rainbow building, Drag and drop interface, Long press options, Increasing difficulty

**In-app purchases:** none


### Number Blocks Game

[App page](https://appshunter.io/ios/app/number-blocks-game/id6754715658)

**Currently charting:** #195 Top Paid · Casual (US App Store)

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is RainbowSifter free?

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

### Is Number Blocks Game free?

Number Blocks Game costs $0.49, with no in-app purchases.

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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.*