# Atomic Orbitalz vs MaxwellsDemon

The clearest difference is iOS requirement: Atomic Orbitalz at 12.0 against MaxwellsDemon's 14.4. On price, update cadence, ads and in-app purchases there is nothing between them.

Atomic Orbitalz costs $0.99 and MaxwellsDemon $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Atomic Orbitalz ships an update every 8 months, MaxwellsDemon every 9 months. The most recent releases landed on September 27, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | Atomic Orbitalz | MaxwellsDemon |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 9 months |
| Monetization | Paid | — |
| Size | 63 MB | 1 MB |
| Requires iOS | **12.0** | 14.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeremy Burkett](https://appshunter.io/developer/1254864326) | [Takao Akatsu](https://appshunter.io/developer/1530946331) |

## What reviewers say

### Atomic Orbitalz

[App page](https://appshunter.io/ios/app/atomic-orbitalz/id1271104130)

Visualize and manipulate 3D atomic orbitals for a hydrogen atom. Explore s, p, d, and f orbitals from any angle, and superimpose them to understand their interactions. Ideal for chemistry students and enthusiasts.

**Highlights:** 3D atomic orbital models, View and manipulate orbitals, Explore s, p, d, and f orbitals, Superimpose orbitals for interaction study, Textbook companion, Rotate models from any angle

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

**In-app purchases:** none


### MaxwellsDemon

[App page](https://appshunter.io/ios/app/maxwellsdemon/id1612817641)

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

**In-app purchases:** none


## Frequently asked questions

### Is Atomic Orbitalz free?

Atomic Orbitalz costs $0.99, with no in-app purchases.

### Is MaxwellsDemon free?

MaxwellsDemon costs $0.99, with no in-app purchases.

### Do Atomic Orbitalz or MaxwellsDemon have ads?

Neither Atomic Orbitalz nor MaxwellsDemon shows ads.

### Which is updated more often, Atomic Orbitalz or MaxwellsDemon?

Atomic Orbitalz ships an update every 8 months, and MaxwellsDemon every 9 months. Most recently, Atomic Orbitalz was updated on September 27, 2026 and MaxwellsDemon on August 24, 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.*