# RGB+ vs Spectrumizer

The clearest difference is update cadence: Spectrumizer at every 5 days against RGB+'s every 11 months. RGB+'s advantage is iOS requirement (8.0 vs 17.6). On price, ads, 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.

RGB+ ships an update every 11 months, Spectrumizer every 5 days. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | RGB+ | Spectrumizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (12 ratings)](https://appshunter.io/ios/app/rgb-plus/id1289495571/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 63 MB | 3 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emil Mirzaian](https://appshunter.io/developer/1289495570) | [Mehran Naghizadeh](https://appshunter.io/developer/1273578621) |

## What reviewers say

### RGB+

[App page](https://appshunter.io/ios/app/rgb-plus/id1289495571)

This puzzle game challenges players to combine primary colors (Red, Green, Blue) to create secondary colors (Cyan, Magenta, Yellow) and eventually White. Utilize familiar sliding block mechanics to clear the grid and achieve high scores.

**Highlights:** Additive RGB color model gameplay, Sliding block puzzle mechanics, Combine primary colors to make secondary, Create white by combining secondary colors, Leaderboard and high score sharing, Minimalist design

**Features:** macOS Compatibility

**In-app purchases:** none


### Spectrumizer

[App page](https://appshunter.io/ios/app/spectrumizer/id6739510841)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RGB+ free?

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

### Is Spectrumizer free?

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

### Do RGB+ or Spectrumizer have ads?

Neither RGB+ nor Spectrumizer shows ads.

### Which is updated more often, RGB+ or Spectrumizer?

RGB+ ships an update every 11 months, and Spectrumizer every 5 days. Most recently, RGB+ was updated on October 6, 2026 and Spectrumizer on October 3, 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.*