# Atoms HD vs MoleculeMastery

The clearest difference is in-app purchases: MoleculeMastery at none against Atoms HD's 7. MoleculeMastery also leads on update cadence (daily vs every 64 months). Atoms HD's advantage is iOS requirement (12.0 vs 17.2). On price, ads and device support there is nothing between them.

Both are free to download. Atoms HD sells 7 one-off in-app purchases. MoleculeMastery asks for nothing beyond the download.

Atoms HD ships an update every 64 months, MoleculeMastery daily. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Atoms HD | MoleculeMastery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (19 ratings)](https://appshunter.io/ios/app/atoms-hd/id888626368/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 53.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 64 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 33 MB |
| Requires iOS | **12.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Kulakov](https://appshunter.io/developer/653086422) | [Muhammad Arsy Rizkia Ruslan](https://appshunter.io/developer/1748434513) |

## What reviewers say

### Atoms HD

[App page](https://appshunter.io/ios/app/atoms-hd/id888626368)

A logic puzzle game where players push atoms to form molecules, inspired by Atomix and Sokoban. Features HD graphics and 88 levels suitable for all ages.

**Highlights:** HD graphics, 88 levels, Simple rules, Molecule building, Atom pushing puzzles

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Free Bundle | $0.99 | one-time |
| Atoms Items Bundle 2 | $0.99 | one-time |
| Atoms Items Bundle 3 | $0.99 | one-time |
| Atoms Items Bundle 4 | $0.99 | one-time |
| Atoms Items Bundle 1 | $1.99 | one-time |
| Atoms Items Bundle 5 | $2.99 | one-time |
| Atoms Items Bundle 6 | $3.99 | one-time |


### MoleculeMastery

[App page](https://appshunter.io/ios/app/moleculemastery/id6627338118)

**In-app purchases:** none


## Frequently asked questions

### Is Atoms HD free?

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

### Is MoleculeMastery free?

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

### Do Atoms HD or MoleculeMastery have ads?

Neither Atoms HD nor MoleculeMastery shows ads.

### Which is updated more often, Atoms HD or MoleculeMastery?

Atoms HD ships an update every 64 months, and MoleculeMastery daily. Most recently, Atoms HD was updated on October 16, 2026 and MoleculeMastery on October 10, 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.*