# Atom in a Box vs CelestialGuide

The clearest difference is review sentiment: Atom in a Box at 79% against CelestialGuide's 0%. Atom in a Box also leads on rating (3.7 vs 1.0) and ratings volume (7 vs 1). CelestialGuide's advantage is price ($0.99 vs $7.99). On update cadence, ads, in-app purchases and device support there is nothing between them.

Atom in a Box costs $7.99 and CelestialGuide $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Atom in a Box holds the better App Store score, 3.7 against 1.0. That said, the two scores are not equally well evidenced: Atom in a Box has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 79% of Atom in a Box's written reviews are positive against 0% of CelestialGuide's.

Atom in a Box ships an update every 11 months, CelestialGuide every 17 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | Atom in a Box | CelestialGuide |
| --- | --- | --- |
| Price | $7.99 | **$0.99** |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/atom-in-a-box/id284788633/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/celestialguide/id649358382/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | **79.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 17 months |
| Monetization | **Free** | Paid |
| Size | 1 MB | 17 MB |
| Requires iOS | **10.3** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dauger Research, Inc.](https://appshunter.io/developer/284788636) | [Geoffrey Domm](https://appshunter.io/developer/373378724) |

## 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


### CelestialGuide

[App page](https://appshunter.io/ios/app/celestialguide/id649358382)

Explore the cosmos with an interactive sky map that displays stars, planets, and celestial events. Point your device at the sky to see a real-time representation of your surroundings, with adjustable visibility settings for stars.

**Highlights:** Interactive sky map, Real-time celestial tracking, Adjustable star visibility, Planet and comet locations, Eclipse and transit rendering, Messier Object database, Virtual Orrery

**Features:** macOS Compatibility

**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 CelestialGuide free?

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

### Which has better reviews, Atom in a Box or CelestialGuide?

Atom in a Box is rated higher. Atom in a Box averages 3.7 out of 5 from 7 ratings, while CelestialGuide averages 1.0 from 1 ratings.

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

Neither Atom in a Box nor CelestialGuide shows ads.

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

Atom in a Box ships an update every 11 months, and CelestialGuide every 17 months. Most recently, Atom in a Box was updated on October 7, 2026 and CelestialGuide on October 7, 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.*