# SciMaster vs Crys

The clearest difference is update cadence: Crys at every 4 days against SciMaster's every 3 months. SciMaster's advantage is iOS requirement (15.1 vs 17.0). 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.

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

## The numbers

| Metric | SciMaster | Crys |
| --- | --- | --- |
| 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 3 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 37 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ATOMBEAT TECHNOLOGY PTE. LTD.](https://appshunter.io/developer/1812552907) | [子铭 叶](https://appshunter.io/developer/6784052907) |

## What reviewers say

### SciMaster

[App page](https://appshunter.io/ios/app/scimaster/id6758187749)

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

**In-app purchases:** none


### 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 SciMaster free?

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

### Is Crys free?

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

### Do SciMaster or Crys have ads?

Neither SciMaster nor Crys shows ads.

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

SciMaster ships an update every 3 months, and Crys every 4 days. Most recently, SciMaster was updated on October 2, 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.*