# Crys vs CrysView

The clearest difference is update cadence: Crys at every 4 days against CrysView's every 2 weeks. Crys also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Crys ships an update every 4 days, CrysView every 2 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Crys | CrysView |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 8 MB | 15 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [子铭 叶](https://appshunter.io/developer/6784052907) | [凌云 马](https://appshunter.io/developer/6789596294) |

## 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


### CrysView

[App page](https://appshunter.io/ios/app/crysview/id6789606012)

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

**In-app purchases:** none


## Frequently asked questions

### Is Crys free?

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

### Is CrysView free?

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

### Do Crys or CrysView have ads?

Neither Crys nor CrysView shows ads.

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

Crys ships an update every 4 days, and CrysView every 2 weeks. Most recently, Crys was updated on October 7, 2026 and CrysView on October 10, 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.*