# topoXpress vs Map Data Explorer

The clearest difference is rating: topoXpress at 4.0 against Map Data Explorer's 2.0. topoXpress also leads on in-app purchases (none vs 7) and ratings volume (3 vs 1). Map Data Explorer's advantage is iOS requirement (14.0 vs 17.5). On price, update cadence, ads and device support there is nothing between them.

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

topoXpress holds the better App Store score, 4.0 against 2.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

topoXpress ships an update every 5 weeks, Map Data Explorer every 2 months. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | topoXpress | Map Data Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/topoxpress/id1500467308/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/map-data-explorer/id1591995115/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Free** | Freemium |
| Size | 27 MB | 138 MB |
| Requires iOS | 17.5 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TopoLynx GIS & Mapping Ltd](https://appshunter.io/developer/1500467307) | [Tech Maven GeoSpatial LLC](https://appshunter.io/developer/1459067502) |

## What reviewers say

### topoXpress

[App page](https://appshunter.io/ios/app/topoxpress/id1500467308)

This application provides robust GIS and surveying tools for field data collection and analysis. It supports both online and offline operations with a wide range of spatial data formats and powerful visualization functions. Designed for professionals, it facilitates collaborative mapping and extensive GNSS receiver integration.

**Highlights:** Multiplatform GIS and surveying functionality, Handles large spatial datasets (raster/vector), Online and offline data operation, Powerful GIS visualization functions, Productive data collection tools, Collaborative mapping via cloud service, Extensive GNSS receiver support

**Features:** macOS Compatibility

**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 topoXpress free?

topoXpress 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, topoXpress or Map Data Explorer?

topoXpress is rated higher. topoXpress averages 4.0 out of 5 from 3 ratings, while Map Data Explorer averages 2.0 from 1 ratings.

### Do topoXpress or Map Data Explorer have ads?

Neither topoXpress nor Map Data Explorer shows ads.

### Which is updated more often, topoXpress or Map Data Explorer?

topoXpress ships an update every 5 weeks, and Map Data Explorer every 2 months. Most recently, topoXpress was updated on September 21, 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.*