Tokyo Subway 3D Map vs LCM GCD Prime Factor Math
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Tokyo Subway 3D Map
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This is a 3D Map of the Tokyo Metro and Toei Subway systems using actual ground elevations, track depths and station locations. The map can be manipulated by standard iOS gestures to zoom, pan, rotate and tilt the map. You can take a simulated ride on any of the system's lines, or choose a start and end station and ride on a calculated route between the two stations.
LCM GCD Prime Factor Math
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This application is a mathematical tool that helps to find the LCM (least common multiple) and the GCD (greatest common divisor) of up to 4 numbers. Factorization : integers of up to 7 digits are allowed as input. You can decomposing numbers up to 9999999 into prime factors and find out if a number is prime or not.
Screenshots
Verdict
The clearest difference is price: Tokyo Subway 3D Map at Free against LCM GCD Prime Factor Math's $0.99. LCM GCD Prime Factor Math's advantage is update cadence (every 18 months vs every 58 months) and iOS requirement (11.0 vs 15.2). On ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Tokyo Subway 3D Map is free to download; LCM GCD Prime Factor Math costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Tokyo Subway 3D Map ships an update every 58 months, LCM GCD Prime Factor Math every 18 months. Both last shipped on October 26, 2026.
| Parameter | Tokyo Subway 3D Map | LCM GCD Prime Factor Math |
|---|---|---|
| Price | Free β better | $0.99 |
| Update frequency | Every 58 months | Every 18 months β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.2 | 11.0 β better |
| Further details β not scored | ||
| Size | 7 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Geoffrey Domm | Maria Dolores Garcia Ferre |
In-app purchases
Tokyo Subway 3D Map
No in-app purchases
LCM GCD Prime Factor Math
No in-app purchases
Questions
Is Tokyo Subway 3D Map free?
Is LCM GCD Prime Factor Math free?
Do Tokyo Subway 3D Map or LCM GCD Prime Factor Math have ads?
Which is updated more often, Tokyo Subway 3D Map or LCM GCD Prime Factor Math?
Other comparisons
