# Crystalz vs WebMO Premium

The clearest difference is review sentiment: WebMO Premium at 67% against Crystalz's 20%. Crystalz's advantage is update cadence (every 5 weeks vs every 17 months) and price ($0.99 vs $4.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Crystalz costs $0.99 and WebMO Premium $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Crystalz ships an update every 5 weeks, WebMO Premium every 17 months. The most recent releases landed on September 10, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Crystalz | WebMO Premium |
| --- | --- | --- |
| Price | **$0.99** | $4.99 |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/webmo-premium/id1448564335/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 20.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 17 months |
| Monetization | Paid | Paid |
| Size | 233 MB | 12 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeremy Burkett](https://appshunter.io/developer/1254864326) | [WebMO, LLC](https://appshunter.io/developer/797898098) |

## What reviewers say

### Crystalz

[App page](https://appshunter.io/ios/app/crystalz/id1254864327)

Visualize and understand complex crystal lattice structures with interactive 3D models. Explore all 14 Bravais lattices, rotate them from any angle, and access detailed information on cell sizes and angles. Includes special viewing modes for cubic structures.

**Highlights:** 3D crystal lattice models, 14 Bravais lattice structures, Interactive rotation and viewing, Cell size and angle information, Space filling mode, Unit cell mode

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

**In-app purchases:** none


### WebMO Premium

[App page](https://appshunter.io/ios/app/webmo-premium/id1448564335)

This app allows users to build and visualize molecules in 3D, access chemical information from external databases, and interact with advanced computational chemistry programs. It's designed for students and faculty needing mobile access to molecular structures and data.

**Highlights:** 3D molecular editor, VSEPR and molecular mechanics optimization, Orbital and symmetry visualization, Chemical data lookup, Computational chemistry program integration, Spectra visualization

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

**In-app purchases:** none


## Frequently asked questions

### Is Crystalz free?

Crystalz costs $0.99, with no in-app purchases.

### Is WebMO Premium free?

WebMO Premium costs $4.99, with no in-app purchases.

### Do Crystalz or WebMO Premium have ads?

Neither Crystalz nor WebMO Premium shows ads.

### Which is updated more often, Crystalz or WebMO Premium?

Crystalz ships an update every 5 weeks, and WebMO Premium every 17 months. Most recently, Crystalz was updated on September 10, 2026 and WebMO Premium on August 23, 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.*