# Topo Maps US vs Offline Map Data Generator

The clearest difference is in-app purchases: Topo Maps US at none against Offline Map Data Generator's 6. Topo Maps US also leads on update cadence (every 2 months vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Offline Map Data Generator sells 6 in-app purchases, starting at $19.99 per year. Topo Maps US asks for nothing beyond the download.

Topo Maps US ships an update every 2 months, Offline Map Data Generator every 7 months. The most recent releases landed on October 11, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Topo Maps US | Offline Map Data Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (213 ratings)](https://appshunter.io/ios/app/topo-maps-us/id1033846196/reviews)** | — |
| Number of ratings | **213** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Paid | — |
| Size | 5 MB | 187 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [DC Cloud Apps, LLC](https://appshunter.io/developer/353416960) | [Tech Maven GeoSpatial LLC](https://appshunter.io/developer/1459067502) |

## What reviewers say

### Topo Maps US

[App page](https://appshunter.io/ios/app/topo-maps-us/id1033846196)

Access and download detailed topographic maps of the United States for offline use. Track your location, mark waypoints, and record your routes for outdoor activities. Navigate with direction arrows and measure distances on the map.

**Highlights:** Download US topographic maps, Offline map viewing, GPS location tracking, Add and import waypoints (flags), Import and share GPX/LOC files, Record and share trails, Elevation profile charts

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

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and simple user interface
- 📱 Works completely offline with downloaded maps
- 💰 Free app with no subscriptions or ads
- 🗺️ High-quality USGS topographic maps
- 📍 Accurate GPS location tracking

**What reviewers complain about**

- 🐛 White/gray blocks appearing on offline maps
- 🔋 High battery drain during route recording
- ❌ Limited color options for flags (only red)
- ⚠️ Route recording stops unexpectedly
- 🔍 No search functionality for trails/landmarks

**Reported bugs**

- White and gray blocks appearing on downloaded offline maps
- Route recording stops unexpectedly mid-hike
- High battery drain during route tracking
- GPX file import issues in iOS 13+
- Map display issues near borders

**Requested features**

- Pause/resume tracking during hikes
- Search feature for trails and landmarks
- Apple Watch app support
- CarPlay integration
- Slope shading visualization


### Offline Map Data Generator

[App page](https://appshunter.io/ios/app/offline-map-data-generator/id6448957147)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App Subscription | $19.99 | per year |
| OMDG Elevate API | $24.99 | per year |
| OMDG Vector Conversion API | $24.99 | per year |
| OMDG DEM Downloader | $24.99 | per 7 days |
| Geo Request AOI | $49.99 | per 7 days |
| Offline Map Data Generator | $999.99 | per year |


## Frequently asked questions

### Is Topo Maps US free?

Topo Maps US is free to download, with no in-app purchases.

### Is Offline Map Data Generator free?

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

### Do Topo Maps US or Offline Map Data Generator have ads?

Neither Topo Maps US nor Offline Map Data Generator shows ads.

### Which is updated more often, Topo Maps US or Offline Map Data Generator?

Topo Maps US ships an update every 2 months, and Offline Map Data Generator every 7 months. Most recently, Topo Maps US was updated on October 11, 2026 and Offline Map Data Generator on September 22, 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.*