# GenMapCode vs Mappu

The clearest difference is in-app purchases: GenMapCode at none against Mappu's 2. Mappu's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mappu sells 2 in-app purchases, starting at $9.99 per month. GenMapCode asks for nothing beyond the download.

GenMapCode ships an update every 2 months, Mappu weekly. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | GenMapCode | Mappu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mappu-a-japan-mapcode-finder/id6769888627/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 42 MB | 36 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Junlong Tan](https://appshunter.io/developer/1886892552) | [Pegasus Coders LLC](https://appshunter.io/developer/1896695630) |

## What reviewers say

### GenMapCode

[App page](https://appshunter.io/ios/app/genmapcode-japan-mapcode/id6760931366)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Mappu

[App page](https://appshunter.io/ios/app/mappu-a-japan-mapcode-finder/id6769888627)

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.

**Highlights:** Tap any location for Mapcode, Search by name, address, or coordinates, Save and organize favorite locations, iCloud sync across devices, Offline access to saved Mapcodes, Multiple map display modes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mappu Pro - Monthly | $9.99 | per month |
| Mappu Pro - Yearly | $89.99 | per year |


## Frequently asked questions

### Is GenMapCode free?

GenMapCode is free to download, with no in-app purchases.

### Is Mappu free?

Mappu is free to download, with in-app purchases available.

### Do GenMapCode or Mappu have ads?

Both GenMapCode and Mappu show ads.

### Which is updated more often, GenMapCode or Mappu?

GenMapCode ships an update every 2 months, and Mappu weekly. Most recently, GenMapCode was updated on September 10, 2026 and Mappu on September 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*