Charles Darwin vs BioViewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Charles Darwin
Embark on Charles Darwin's historic voyage aboard the HMS Beagle. Explore maps, diagrams, and text detailing his discoveries and the science of evolution. Test your knowledge with an included quiz.
- Trace HMS Beagle's voyage
- Learn about Darwin's discoveries
- Explore maps and diagrams
- Study the science of evolution
- Test knowledge with a quiz
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Follow Charles Darwin on his epic voyage aboard the HMS Beagle on its five year journey of exploration and discovery. Charles Darwin sailed from Plymouth, England in 1831. The ship was equipped with scientific instruments for observation and measurement. On this journey Darwin kept copious notes and collected samples of plants, animals, rocks and fossils. As a naturalist he sought to explain the great diversity of life that he found. His research lead him to a comprehensive theory that would become the foundation of modern biology. Learn about the HMS Beagle, a British Royal Navy vessel, gained renown as the ship that carried Charles Darwin on his historic voyage around the world from 1831 to 1836. Designed initially for surveying and charting, the Beagle became an emblem of scientific exploration due to Darwin's transformative journey aboard. Setting sail from England, the ship traversed oceans and continents, allowing Darwin to collect an extensive array of specimens and observations that would later form the basis of his groundbreaking theory of evolution by natural selection. The Beagle's legacy extends far beyond its physical existence, as it represents the intersection of maritime adventure and scientific inquiry that forever altered our understanding of the natural world. Use this app to trace the voyage of the HMS Beagle and learn about Darwin's important discoveries. The app includes maps, diagrams and text to help students learn about the science of evolution. A quiz helps learners measure how well they understand key concepts.
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 price: BioViewer at Free against Charles Darwin's $1.99. BioViewer also leads on review sentiment (33% vs 0%) and update cadence (every 9 days vs every 6 months). Charles Darwin's advantage is iOS requirement (15.6 vs 17.0). On 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
BioViewer is free to download; Charles Darwin costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Charles Darwin ships an update every 6 months, BioViewer every 9 days. Both last shipped on September 10, 2026.
| Parameter | Charles Darwin | BioViewer |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 33.3% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPad, Mac, Apple TV | iPhone, iPad, Mac |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 44 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Ventura Educational Systems | Raul Monton Pinillos |
Customer experience
Charles Darwin
BioViewer
In-app purchases
Charles Darwin
No in-app purchases
BioViewer
No in-app purchases
Questions
Is Charles Darwin free?
Is BioViewer free?
Do Charles Darwin or BioViewer have ads?
Which is updated more often, Charles Darwin or BioViewer?
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