Columbus Eye vs phyfunk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Columbus Eye
Explore Earth's features like volcanoes and cities in 3D using augmented reality. This educational app uses real satellite data and printable worksheets to bring scientific content to life for learning at home or in the classroom.
- Marker-based Augmented Reality
- High-quality satellite imagery
- Interactive learning modules
- Based on real satellite data
- Works with printable worksheets
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Explore the Earth in Augmented Reality – with Columbus Eye! Columbus Eye brings stunning satellite imagery and scientific content straight to your smartphone – letting you discover our planet through marker-based Augmented Reality (AR). Perfect for use in classrooms, at home, or simply out of curiosity. What you’ll find: • Marker-based Augmented Reality – Bring satellite images to life • High-quality satellite imagery – Explore volcanoes, cities, oceans, and more • Interactive learning modules – Understand how Earth observation works • Based on real satellite data – Scientifically sound and educational • Made for education – Works with free printable worksheets How it works: Print the matching markers from the official worksheets at https://esero.de/unterricht/arapps or https://columbuseye.rub.de/english.html, open the app – and watch satellite images come to life in 3D! A DLR educational project Columbus Eye was developed as part of an educational initiative by the German Aerospace Center (DLR). It combines real Earth observation data with engaging, curriculum-aligned content for schools and curious minds alike. Discover Earth from space – right on your smartphone.
phyfunk
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In der App können parametrisierte Kurven und Flächen, Lösungskurven und Lösungsflächen, komplexwertige Funktionen, Skalarfelder und Vektorfelder, Lösungen gewöhnlicher Differenzialgleichungen, Bewegungen und Feldlinien dynamisch in Abhängigkeit von Zeit und Schiebereglern zwei- und dreidimensional dargestellt werden. Ziel ist ein anschauliches Verständnis des Funktionsbegriffs und der Beschreibung physikalischer Vorgänge durch Mathematik.
Screenshots
Verdict
The clearest difference is update cadence: phyfunk at fortnightly against Columbus Eye's every 2 months. 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.
Columbus Eye ships an update every 2 months, phyfunk fortnightly. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.
| Parameter | Columbus Eye | phyfunk |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 — better | 16 |
| Further details — not scored | ||
| Size | 213 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Ruhr-Universitaet Bochum | Stephan Engelhard |
In-app purchases
Columbus Eye
No in-app purchases
phyfunk
No in-app purchases









