Mappu - A Japan Mapcode Finder
One-tap Mapcode for Japan
About
Easily find Japan's proprietary location codes for any place, from landmarks to hidden gems. Simply tap on the map or search by name/address to get a Mapcode compatible with rental car GPS systems. Save your itinerary with iCloud sync and access previously looked-up codes offline.
What's New in Mappu
1.1.0
July 16, 2026
• New: Google Maps — switch the Map Source between Apple Maps and Google Maps in Maps Settings. Map browsing, tapping places, and MapCodes are free on both. Search, coordinates, and reverse lookup are free on Apple Maps — on Google Maps, they require the new Mappu Pro subscription (monthly or yearly, cancel anytime), which also removes ads. • Search results now show the distance to each place.
MoreFAQ
What is Mappu?
Mappu is a navigation app designed to help users find Mapcodes for any location in Japan. Mapcodes are proprietary location codes that can be directly entered into car navigation systems, eliminating the need for street addresses.
How does Mappu work?
You can find a Mapcode by tapping on any spot on the map, searching by name or address, or long-pressing to drop a pin. The app then instantly displays the Mapcode for that specific coordinate.
Can I use Mappu offline?
Yes, Mappu works offline for Mapcodes you have already looked up. This feature is particularly useful for travelers in Japan who may have limited data access.
Does Mappu have ads?
Mappu contains advertisements. Ad personalization is opt-in via the standard iOS permission, allowing users to control their ad experience.
How does iCloud sync work with Mappu?
Mappu uses iCloud sync to save your planned itinerary and favorite locations. This ensures your saved places and folders are accessible on all your devices where you are signed in.
What devices does Mappu support?
Mappu is supported on iPhone, iPad, and iPod devices. It is designed to be compatible with Apple's mobile operating system.
What is the age rating for Mappu?
Mappu has an age rating of 12+. This indicates it is suitable for users aged 12 and older, with content generally considered appropriate for this age group.
How often is Mappu updated?
The latest version of Mappu is 1.0.2, and it was last updated on June 6, 2026. Updates typically include bug fixes and feature enhancements.