# MolecuLens vs Crys

The clearest difference is in-app purchases: Crys at none against MolecuLens's 2. Crys also leads on update cadence (every 4 days vs monthly). MolecuLens's advantage is iOS requirement (15.1 vs 17.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. MolecuLens sells 2 in-app purchases, starting at $4.99 per month. Crys asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for MolecuLens against 5.0 for Crys. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

MolecuLens ships an update monthly, Crys every 4 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MolecuLens | Crys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/moleculens/id6757090293/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/crys-cast/id6784123301/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Freemium | **Free** |
| Size | 43 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jake Kinchen](https://appshunter.io/developer/1773423641) | [子铭 叶](https://appshunter.io/developer/6784052907) |

## What reviewers say

### MolecuLens

[App page](https://appshunter.io/ios/app/moleculens/id6757090293)

Explore and learn about over 100 million chemical compounds in interactive 3D. AI-powered features generate guided tours, quizzes, and shareable diagrams to enhance understanding and communication.

**Highlights:** Interactive 2D/3D molecular viewing, AI-guided molecular tours and quizzes, Search by name, SMILES, formula, or drawing, Conformer generation, 3D orbital overlays (Pro feature), High-quality diagram generation (Pro feature)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MolecuLens Pro (Monthly) | $4.99 | per month |
| MolecuLens Pro (Yearly) | $24.99 | per year |


### Crys

[App page](https://appshunter.io/ios/app/crys-cast/id6784123301)

This app allows users to view and analyze crystal structures locally on their mobile devices. It supports various file formats and offers tools for inspecting atoms, bonds, and unit cells, with features for generating simulated PXRD patterns and morphology previews.

**Highlights:** Local structure viewing, Supports CIF, XYZ, PDB, MOL, SDF, MOL2, RES files, Inspect atoms, bonds, unit cells, Display styles and scope control, Fullscreen and PXRD presentation modes, Simulated PXRD pattern generation, BFDH morphology preview

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

**In-app purchases:** none


## Frequently asked questions

### Is MolecuLens free?

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

### Is Crys free?

Crys is free to download, with no in-app purchases.

### Which has better reviews, MolecuLens or Crys?

MolecuLens and Crys are both rated 5.0 out of 5 on the App Store, from 3 and 4 ratings respectively.

### Do MolecuLens or Crys have ads?

Neither MolecuLens nor Crys shows ads.

### Which is updated more often, MolecuLens or Crys?

MolecuLens ships an update monthly, and Crys every 4 days. Most recently, MolecuLens was updated on October 5, 2026 and Crys 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.*