# Topo Reader vs topoXpress

The clearest difference is rating: Topo Reader at 4.6 against topoXpress's 4.0. Topo Reader also leads on ratings volume (174 vs 3) and iOS requirement (14.0 vs 17.5). topoXpress's advantage is in-app purchases (none vs 3) and update cadence (every 5 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Topo Reader sells 3 one-off in-app purchases. topoXpress asks for nothing beyond the download.

Topo Reader holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Topo Reader has 174 ratings behind it against 3, so its average is the more settled of the two.

Topo Reader ships an update every 3 months, topoXpress every 5 weeks. The most recent releases landed on September 29, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Topo Reader | topoXpress |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (174 ratings)](https://appshunter.io/ios/app/topo-reader/id940309979/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/topoxpress/id1500467308/reviews) |
| Number of ratings | **174** | 3 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Subscription | **Free** |
| Size | 29 MB | 27 MB |
| Requires iOS | **14.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Delcartes LLC](https://appshunter.io/developer/909846659) | [TopoLynx GIS & Mapping Ltd](https://appshunter.io/developer/1500467307) |

## What reviewers say

### Topo Reader

[App page](https://appshunter.io/ios/app/topo-reader/id940309979)

Access and use detailed USGS topographical maps offline, even historical versions. Import your own geospatial PDF maps for navigation, route planning, and distance measurement. Ideal for outdoor adventures and geographical exploration.

**Highlights:** Download USGS topographical maps offline, Import geospatial PDF maps, Offline GPS usage on downloaded maps, Dual mode ruler for distance measurement, Route creation and GPS track recording, Augmented Reality waypoints

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 90 Day | $2.99 | one-time |
| 1 Year | $5.99 | one-time |
| Lifetime | $23.99 | one-time |


### 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


## Frequently asked questions

### Is Topo Reader free?

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

### Is topoXpress free?

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

### Which has better reviews, Topo Reader or topoXpress?

Topo Reader is rated higher. Topo Reader averages 4.6 out of 5 from 174 ratings, while topoXpress averages 4.0 from 3 ratings.

### Do Topo Reader or topoXpress have ads?

Neither Topo Reader nor topoXpress shows ads.

### Which is updated more often, Topo Reader or topoXpress?

Topo Reader ships an update every 3 months, and topoXpress every 5 weeks. Most recently, Topo Reader was updated on September 29, 2026 and topoXpress on September 21, 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.*