BioViewer vs PPQR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
PPQR
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PPQR is an online attendance recording service provided by Sri Technocrat. The service is free of any commercial messages or advertisements. 1. This app is used by students of multiple institutes. 2. Students of any new institute can become a user after registration. 3. No App features are intended for use by the general public. 4. Student account can be created by their own institutes. 5. No paid content.
Screenshots
Verdict
The clearest difference is iOS requirement: PPQR at 8.0 against BioViewer's 17.0. On price, ads, in-app purchases and device support 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.
| Parameter | BioViewer | PPQR |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 41 MB |
| Age rating | 4+ | 17+ |
| Developer | Raul Monton Pinillos | Girish Mathur |
In-app purchases
BioViewer
No in-app purchases
PPQR
No in-app purchases
