# Atom in a Box vs Thermochemistry

The clearest difference is price: Thermochemistry at $3.99 against Atom in a Box's $7.99. Thermochemistry also leads on update cadence (every 4 months vs every 11 months). Atom in a Box's advantage is iOS requirement (10.3 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Atom in a Box costs $7.99 and Thermochemistry $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Atom in a Box ships an update every 11 months, Thermochemistry every 4 months. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Atom in a Box | Thermochemistry |
| --- | --- | --- |
| Price | $7.99 | **$3.99** |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/atom-in-a-box/id284788633/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 79.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 1 MB | 1 MB |
| Requires iOS | **10.3** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dauger Research, Inc.](https://appshunter.io/developer/284788636) | [Roman Volinsky](https://appshunter.io/developer/977951850) |

## What reviewers say

### Atom in a Box

[App page](https://appshunter.io/ios/app/atom-in-a-box/id284788633)

Explore the quantum world of the Hydrogen atom with interactive 3D visualizations of electron orbitals. This app uses advanced raytracing to show probability densities in real-time, animating and describing 140 eigenstates up to the n=7 energy level. Discover the structure and behavior of atoms.

**Highlights:** 3D volumetric raytracing, Real-time probability density visualization, Animation of 140 eigenstates, Multitouch and accelerometer rotation, Mathematical descriptions of states, Exploration of atomic aspects

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

**In-app purchases:** none


### Thermochemistry

[App page](https://appshunter.io/ios/app/thermochemistry/id1095024444)

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

**In-app purchases:** none


## Frequently asked questions

### Is Atom in a Box free?

Atom in a Box costs $7.99, with no in-app purchases.

### Is Thermochemistry free?

Thermochemistry costs $3.99, with no in-app purchases.

### Do Atom in a Box or Thermochemistry have ads?

Neither Atom in a Box nor Thermochemistry shows ads.

### Which is updated more often, Atom in a Box or Thermochemistry?

Atom in a Box ships an update every 11 months, and Thermochemistry every 4 months. Most recently, Atom in a Box was updated on November 3, 2026 and Thermochemistry on October 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.*