# Mapply for Open Street Map vs Map Data Explorer

The clearest difference is rating: Mapply for Open Street Map at 4.1 against Map Data Explorer's 2.0. Mapply for Open Street Map also leads on in-app purchases (none vs 7) and update cadence (weekly vs every 2 months). Map Data Explorer's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Map Data Explorer sells 7 in-app purchases, starting at $4.99 per year. Mapply for Open Street Map asks for nothing beyond the download.

Mapply for Open Street Map holds the better App Store score, 4.1 against 2.0. That said, the two scores are not equally well evidenced: Mapply for Open Street Map has 51 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 14% of Mapply for Open Street Map's written reviews are positive against 0% of Map Data Explorer's.

Mapply for Open Street Map ships an update weekly, Map Data Explorer every 2 months. The most recent releases landed on October 13, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Mapply for Open Street Map | Map Data Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (51 ratings)](https://appshunter.io/ios/app/mapply-for-open-street-map/id1591409886/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/map-data-explorer/id1591995115/reviews) |
| Number of ratings | **51** | 1 |
| Positive reviews | **14.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | **Ad-supported** | Freemium |
| Size | 6 MB | 138 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Florian Chrometz](https://appshunter.io/developer/1004595008) | [Tech Maven GeoSpatial LLC](https://appshunter.io/developer/1459067502) |

## What reviewers say

### Mapply for Open Street Map

[App page](https://appshunter.io/ios/app/mapply-for-open-street-map/id1591409886)

Explore detailed maps of the world, including transport networks, hiking trails, and topography. This app leverages OpenStreetMap and other specialized map layers for comprehensive navigation and outdoor adventure planning. Enjoy offline caching for uninterrupted exploration.

**Highlights:** OpenStreetMap integration, Specialized map layers (cycling, transport, sea, trails), Topographical data, Railway information, Offline caching, Satellite views

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

**In-app purchases:** none


### Map Data Explorer

[App page](https://appshunter.io/ios/app/map-data-explorer/id1591995115)

This advanced mapping application supports various data formats including GeoJSON, MBTILES, and GPKG. It offers tools for drawing, editing vector data, and collecting dynamic information. Visualize terrain in 3D and utilize a suite of navigation and measurement features.

**Highlights:** Vector tile basemaps, User-loaded GeoJSON, MBTILES, GPKG data, Map catalog support, Vector data drawing and editing, 3D terrain and building visualization, Advanced data collection forms, Coordinate conversion and measurement tools

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TMG Elevate API | $4.99 | per year |
| Map Data Explorer Subscription | $4.99 | per year |
| TMG Vector Conversion API | $14.99 | per year |
| MapBox RGB PNG Elevation Tiles | $24.99 | per year |
| GeoRequest Area of Interest | $99.99 | per year |
| Pre-Staged Data Downloading | $199.99 | per year |
| Tile Downloader Module | $4.99 | one-time |


## Frequently asked questions

### Is Mapply for Open Street Map free?

Mapply for Open Street Map is free to download, with no in-app purchases.

### Is Map Data Explorer free?

Map Data Explorer is free to download, with in-app purchases available.

### Which has better reviews, Mapply for Open Street Map or Map Data Explorer?

Mapply for Open Street Map is rated higher. Mapply for Open Street Map averages 4.1 out of 5 from 51 ratings, while Map Data Explorer averages 2.0 from 1 ratings.

### Do Mapply for Open Street Map or Map Data Explorer have ads?

Mapply for Open Street Map shows ads; Map Data Explorer does not.

### Which is updated more often, Mapply for Open Street Map or Map Data Explorer?

Mapply for Open Street Map ships an update weekly, and Map Data Explorer every 2 months. Most recently, Mapply for Open Street Map was updated on October 13, 2026 and Map Data Explorer on September 15, 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.*