Subway3D vs TrueSize
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Subway3D
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This app has a 3D representation of five different subway systems: Paris, Moscow, London, Tokyo and New York. The app is a 3D map, showing each subway station's location and the elevation and location of the subway lines in the station and between stations. If you are in the city, the app can determine the nearest subway station, and calculate a route to any other station in the system. The map can be zoomed, and rotated around the x,y or z axis to get a view of the system from any angle.
TrueSize
Explore the true scale of countries, continents, and regions with accurate size comparisons based on spherical geometry. Visualize historical and modern maps, access detailed information, and even test your knowledge with a geography mini-game. Customize your experience by importing and editing map data.
- Accurate size comparisons using spherical geometry
- 140,000+ countries, regions, and territories
- Detailed tooltips and insights
- Historical and modern maps
- Import & edit GeoJSON / TopoJSON files
- Geography mini-game
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Explore the true size of countries, continents, and regions with TrueSize app. Move territories around an interactive map and compare their real proportions without the size distortion of traditional flat maps. Key Features • True-size comparisons Compare countries and regions using spherical geometry, without the size distortion caused by flat map projections. • 750,000+ geographic regions Explore countries, territories, states, provinces, historical borders, islands, and more. • Natural features Explore mountains, peaks, deserts, islands, peninsulas, archipelagos, seas, bays, lakes, rivers, and river basins. • Geography games Play the TrueSize Challenge to guess the larger territory, or test your knowledge with the Flag Quiz. • Measurement tools Measure true geodesic distances in kilometers or miles, check compass bearings, and draw custom shapes. • Edit any boundary shape Modify the vertices of countries, regions, and other map shapes directly on the map. Add, move, select, or delete points with Undo and Redo support. • Facts and geographic details View population, area, flags, and useful facts for regions you explore. • Historical and modern maps Explore historical territories and see how borders and regions have changed over time. • Import & edit GeoJSON / TopoJSON files Load your own map data, modify shapes, simplify or merge boundaries, and export your changes. Ideal for students, educators, and GIS enthusiasts. • Share your discoveries Create and share interactive map comparisons with others. Perfect For • Students learning geography and map accuracy • Teachers explaining map projection distortion • Travelers visualizing distances and regions • Geography enthusiasts exploring historical and modern borders • Anyone curious about the real scale of our world Why TrueSize? Traditional flat maps can significantly distort the apparent size of countries and regions, especially near the poles. TrueSize uses spherical geometry to provide more realistic size comparisons while letting you freely move and explore territories around the globe. From the creators of TrueSize.net, the official TrueSize app brings interactive geography tools, hundreds of thousands of regions, historical maps, games, measurements, and custom geographic data to your device. Rediscover the world as it truly appears - clearly, accurately, and interactively.
Screenshots
Verdict
The clearest difference is device support: TrueSize at 3 against Subway3D's —. TrueSize also leads on iOS requirement (15.6 vs 18.0). On price 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.
| Parameter | Subway3D | TrueSize |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (225 ratings) — better |
| Positive reviews | — | 71.0% of reviews |
| Number of ratings | — | 225 — better |
| Update frequency | — | Every 10 days |
| Ads | — | Yes |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 22 MB | 165 MB |
| Age rating | 4+ | 12+ |
| Developer | Geoffrey Domm | BINARY BANANA LLC |
In-app purchases
Subway3D
No in-app purchases
TrueSize
No in-app purchases








