# Coloramba! vs Shells

The clearest difference is price: Shells at Free against Coloramba!'s $0.99. Shells also leads on rating (5.0 vs 4.1) and review sentiment (100% vs 59%). Coloramba!'s advantage is in-app purchases (none vs 4) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

Shells is free to download; Coloramba! costs $0.99 up front. Shells sells 4 one-off in-app purchases. Coloramba! asks for nothing beyond the download.

Shells holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 7 and 22 respectively. Written reviews point the same way: 59% of Coloramba!'s written reviews are positive against 100% of Shells's.

Coloramba! ships an update every 9 days, Shells weekly. The most recent releases landed on September 21, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Coloramba! | Shells |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/coloramba/id943912869/reviews) | **[5.0 (22 ratings)](https://appshunter.io/ios/app/shells-nested-block-puzzle/id6661020395/reviews)** |
| Number of ratings | 7 | **22** |
| Positive reviews | 59.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 15 MB | 102 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Okroshka Lab](https://appshunter.io/developer/467901636) | [arlybird games LLC](https://appshunter.io/developer/1764665157) |

## What reviewers say

### Coloramba!

[App page](https://appshunter.io/ios/app/coloramba/id943912869)

A captivating puzzle game where players clear a screen by removing same-colored figures. It offers classic and random color modes, extensive statistics, and an undo feature for mistakes. Collect medals and save your progress.

**Highlights:** Classic and random color modes, Medal collection system, Up to 20 undo steps, Detailed game statistics, Save results to Camera Roll, Demo mode for training

**Features:** macOS Compatibility

**In-app purchases:** none


### Shells

[App page](https://appshunter.io/ios/app/shells-nested-block-puzzle/id6661020395)

A geometry puzzle game where you slide blocks into larger shells to rearrange the board and solve challenges. It offers over 360 levels across 8 worlds with a focus on spatial reasoning and problem-solving. Enjoy a relaxing experience with a soothing soundtrack.

**Highlights:** Nested block sliding mechanics, Over 360 original levels, 8 distinct game worlds, Optional hint system, Soothing piano soundtrack, Compact 4x4 grid gameplay

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Bundle | $0.99 | one-time |
| Medium Bundle | $1.99 | one-time |
| Large Bundle | $3.99 | one-time |
| Unlimited Bundle | $8.99 | one-time |


## Frequently asked questions

### Is Coloramba! free?

Coloramba! costs $0.99, with no in-app purchases.

### Is Shells free?

Shells is free to download, with in-app purchases available.

### Which has better reviews, Coloramba! or Shells?

Shells is rated higher. Coloramba! averages 4.1 out of 5 from 7 ratings, while Shells averages 5.0 from 22 ratings.

### Do Coloramba! or Shells have ads?

Shells shows ads; Coloramba! does not.

### Which is updated more often, Coloramba! or Shells?

Coloramba! ships an update every 9 days, and Shells weekly. Most recently, Coloramba! was updated on September 21, 2026 and Shells on September 11, 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.*