# iOpenGTS vs Map Data Explorer

The clearest difference is ads: Map Data Explorer at none against iOpenGTS's shown. Map Data Explorer also leads on update cadence (every 2 months vs every 81 months). iOpenGTS's advantage is iOS requirement (11.0 vs 14.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. iOpenGTS sells 1 one-off in-app purchase and Map Data Explorer sells 7 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

iOpenGTS ships an update every 81 months, Map Data Explorer every 2 months. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | iOpenGTS | Map Data Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/map-data-explorer/id1591995115/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 81 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 30 MB | 138 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [3B Soft srls](https://appshunter.io/developer/368374927) | [Tech Maven GeoSpatial LLC](https://appshunter.io/developer/1459067502) |

## What reviewers say

### iOpenGTS

[App page](https://appshunter.io/ios/app/iopengts/id942928378)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpenGTS adavanced features | $2.99 | one-time |


### 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 iOpenGTS free?

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

### Is Map Data Explorer free?

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

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

iOpenGTS shows ads; Map Data Explorer does not.

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

iOpenGTS ships an update every 81 months, and Map Data Explorer every 2 months. Most recently, iOpenGTS was updated on October 6, 2026 and Map Data Explorer on October 3, 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.*