# Crys vs MolVanilla

The clearest difference is in-app purchases: Crys at none against MolVanilla's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MolVanilla sells 3 one-off in-app purchases. Crys asks for nothing beyond the download.

Crys ships an update every 4 days, MolVanilla every 3 days. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Crys | MolVanilla |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/crys-cast/id6784123301/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 8 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [子铭 叶](https://appshunter.io/developer/6784052907) | [KEISUKE MASUDA](https://appshunter.io/developer/6799662296) |

## What reviewers say

### 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


### MolVanilla

[App page](https://appshunter.io/ios/app/molvanilla-molecule-editor/id6806997847)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Credits | $0.49 | one-time |
| 50 Credits | $1.99 | one-time |
| 200 Credits | $5.99 | one-time |


## Frequently asked questions

### Is Crys free?

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

### Is MolVanilla free?

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

### Do Crys or MolVanilla have ads?

Neither Crys nor MolVanilla shows ads.

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

Crys ships an update every 4 days, and MolVanilla every 3 days. Most recently, Crys was updated on October 7, 2026 and MolVanilla on October 2, 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.*