# Atom Shell vs Block Mania 3D!

The clearest difference is ads: Atom Shell at none against Block Mania 3D!'s shown. Atom Shell also leads on iOS requirement (9.0 vs 14.5). Block Mania 3D!'s advantage is update cadence (daily vs every 6 months). On price, 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.

Atom Shell ships an update every 6 months, Block Mania 3D! daily. The most recent releases landed on September 12, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Atom Shell | Block Mania 3D! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/atom-shell/id1477722075/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Daily** |
| Monetization | Free | — |
| Size | 149 MB | 99 MB |
| Requires iOS | **9.0** | 14.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kamran Gasimov](https://appshunter.io/developer/1458237538) | [Nebih Basaran](https://appshunter.io/developer/1586973680) |

## What reviewers say

### Atom Shell

[App page](https://appshunter.io/ios/app/atom-shell/id1477722075)

A puzzle game where players strategically place electrons into inner shells to score points. With over 1000 levels, it offers a challenging and engaging experience for players of all ages.

**Highlights:** Electron placement mechanics, Scoring system, 1000+ levels, Intuitive gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Block Mania 3D!

[App page](https://appshunter.io/ios/app/block-mania-3d/id6744091377)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Atom Shell free?

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

### Is Block Mania 3D! free?

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

### Do Atom Shell or Block Mania 3D! have ads?

Block Mania 3D! shows ads; Atom Shell does not.

### Which is updated more often, Atom Shell or Block Mania 3D!?

Atom Shell ships an update every 6 months, and Block Mania 3D! daily. Most recently, Atom Shell was updated on September 12, 2026 and Block Mania 3D! on September 25, 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.*