Crystal Flight vs BioViewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Crystal Flight
Experience free flight within diverse crystal environments. Navigate your journey by simply tilting your iPhone or iPad to control direction.
- Free flight simulation
- Crystal environments
- Tilt-to-navigate controls
- iPhone and iPad support
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Fly freely in a variety of crystals. To navigate, simply tilt your iPhone or iPad in the direction you want to go.
BioViewer
Visualize 3D molecular structures from .pdb files on iOS, iPadOS, and macOS. Features smooth rendering, drag-and-drop support, and publication-quality photo exports for detailed analysis.
- 3D molecular structure visualization
- Supports .pdb and .xyz files
- Drag and drop functionality
- Photo Mode with high-quality exports
- Multi-model PDB support
- Optimized for ProMotion displays
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A .pdb protein visualizer for iOS, iPadOS and macOS. View the 3D representation of any molecular structure from a .pdb file, using our custom Metal-based rendering engine based to allow for a smooth experience even in the biggest proteins. - Full drag and drop support for .pdb and .xyz files. - Photo Mode with publication-quality exports. - Support for multi-model PDBs. - Support for high refresh rate ProMotion displays.
Screenshots
Verdict
The clearest difference is rating: Crystal Flight at 5.0 against BioViewer's 1.0. BioViewer's advantage is update cadence (every 9 days vs every 5 months). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Crystal Flight holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Crystal Flight ships an update every 5 months, BioViewer every 9 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Crystal Flight | BioViewer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | — | 33.3% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeff Weeks | Raul Monton Pinillos |
Customer experience
Crystal Flight
BioViewer
In-app purchases
Crystal Flight
No in-app purchases
BioViewer
No in-app purchases
