# Molecules AR vs Atomic Spectra

The clearest difference is device support: Atomic Spectra at 4 against Molecules AR's 1. Molecules AR's advantage is iOS requirement (12.0 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Molecules AR costs $1.99 and Atomic Spectra $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Molecules AR ships an update every 20 months, Atomic Spectra every 19 months. The most recent releases landed on September 18, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Molecules AR | Atomic Spectra |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atomic-spectra/id6444901660/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 19 months** |
| Monetization | — | Paid |
| Size | 27 MB | 7 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPad | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Jim Haungs](https://appshunter.io/developer/1498282259) |

## What reviewers say

### Molecules AR

[App page](https://appshunter.io/ios/app/molecules-ar/id1334256889)

**Features:** macOS Compatibility

**In-app purchases:** none


### Atomic Spectra

[App page](https://appshunter.io/ios/app/atomic-spectra/id6444901660)

This reference app provides detailed information on strong line atomic emission spectra within the visible range. Users can search for elements by name, symbol, or atomic number and inspect individual spectra lines. It offers interactive features to visualize and navigate spectral data.

**Highlights:** Visible range spectra (380-740nm), Search by element name, symbol, or atomic number, Sort by name, symbol, or spectra line count, Inspect individual spectra lines, Interactive spectrum visualization

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Molecules AR free?

Molecules AR costs $1.99, with no in-app purchases.

### Is Atomic Spectra free?

Atomic Spectra costs $1.99, with no in-app purchases.

### Do Molecules AR or Atomic Spectra have ads?

Neither Molecules AR nor Atomic Spectra shows ads.

### Which is updated more often, Molecules AR or Atomic Spectra?

Molecules AR ships an update every 20 months, and Atomic Spectra every 19 months. Most recently, Molecules AR was updated on September 18, 2026 and Atomic Spectra on August 31, 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.*