# Atomic Orbitalz vs Human Physiology Practice

Atomic Orbitalz and Human Physiology Practice are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Atomic Orbitalz costs $0.99 and Human Physiology Practice $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Atomic Orbitalz | Human Physiology Practice |
| --- | --- | --- |
| Price | $0.99 | **$0.49** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Monetization | Paid | — |
| Size | 63 MB | 22 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Jeremy Burkett](https://appshunter.io/developer/1254864326) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## 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


### Human Physiology Practice

[App page](https://appshunter.io/ios/app/human-physiology-practice/id6759961176)

**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 Human Physiology Practice free?

Human Physiology Practice costs $0.49, with no in-app purchases.

### Do Atomic Orbitalz or Human Physiology Practice have ads?

Neither Atomic Orbitalz nor Human Physiology Practice shows ads.

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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.*