# Heterocycles vs Atomizer AR

The clearest difference is rating: Heterocycles at 5.0 against Atomizer AR's 4.0. Atomizer AR's advantage is update cadence (every 2 weeks vs every 11 months) and device support (6 vs 3). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Heterocycles sells 1 one-off in-app purchase and Atomizer AR sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Heterocycles holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Heterocycles ships an update every 11 months, Atomizer AR every 2 weeks. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Heterocycles | Atomizer AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/heterocycles/id6445909269/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/atomizer-ar-quantum-chemistry/id6449015706/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 17 MB | 137 MB |
| Requires iOS | **15.0** | 15.2 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Clarity Applications](https://appshunter.io/developer/1646120472) | [Wonmo Seong](https://appshunter.io/developer/1625011193) |

## What reviewers say

### Heterocycles

[App page](https://appshunter.io/ios/app/heterocycles/id6445909269)

Master the names and applications of organic chemistry's heterocycles. This interactive app covers over 75 compounds with hundreds of examples and personalized review modes. Track your progress with achievements and learn about their roles in medicine and biology.

**Highlights:** 75+ heterocycles, Hundreds of examples, Multiple practice modes, Personalized review, Reference table, Achievements

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


### Atomizer AR

[App page](https://appshunter.io/ios/app/atomizer-ar-quantum-chemistry/id6449015706)

Explore the quantum world with interactive 3D models of atoms and molecules in augmented reality. Visualize atomic and molecular orbitals, and sketch organic compounds to instantly generate their nomenclature.

**Highlights:** 3D atomic and molecular orbital visualization, Augmented reality integration, Hartree-Fock computational method for MOs, Sketch organic compounds, Automatic SMILES and IUPAC nomenclature generation

**Features:** Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Californium Pass | $1.99 | per month |
| Californium Pass | $2.99 | per month |
| Einsteinium Pass | $3.99 | per year |
| Einsteinium Pass | $6.99 | per month |


## Frequently asked questions

### Is Heterocycles free?

Heterocycles is free to download, with in-app purchases available.

### Is Atomizer AR free?

Atomizer AR is free to download, with in-app purchases available.

### Which has better reviews, Heterocycles or Atomizer AR?

Heterocycles is rated higher. Heterocycles averages 5.0 out of 5 from 2 ratings, while Atomizer AR averages 4.0 from 3 ratings.

### Do Heterocycles or Atomizer AR have ads?

Neither Heterocycles nor Atomizer AR shows ads.

### Which is updated more often, Heterocycles or Atomizer AR?

Heterocycles ships an update every 11 months, and Atomizer AR every 2 weeks. Most recently, Heterocycles was updated on October 11, 2026 and Atomizer AR 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.*