# Topo GPS vs Topo Reader

The clearest difference is monetization model: Topo GPS at free with in-app purchases against Topo Reader's subscription. Topo GPS also leads on update cadence (every 3 weeks vs every 3 months) and review sentiment (70% vs 50%). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Topo GPS sells 18 in-app purchases, starting at $18.49 per year and Topo Reader sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Topo GPS against 4.6 for Topo Reader. Both are backed by a comparable volume of ratings — 463 and 177 respectively. Written reviews are what separate them: 70% of Topo GPS's written reviews are positive against 50% of Topo Reader's.

Topo GPS ships an update every 3 weeks, Topo Reader every 3 months. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Topo GPS | Topo Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (463 ratings)](https://appshunter.io/ios/app/topo-gps-topographic-maps/id578960575/reviews) | **[4.6 (177 ratings)](https://appshunter.io/ios/app/topo-reader/id940309979/reviews)** |
| Number of ratings | **463** | 177 |
| Positive reviews | **69.7% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 107 MB | 29 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [rdzl](https://appshunter.io/developer/578960578) | [Delcartes LLC](https://appshunter.io/developer/909846659) |

## What reviewers say

### Topo GPS

[App page](https://appshunter.io/ios/app/topo-gps-topographic-maps/id578960575)

Transform your device into a powerful GPS with detailed topographic maps for offline use. Plan, record, and follow routes for various outdoor activities. Access detailed maps and route management features without needing an expensive dedicated device.

**Highlights:** Detailed topographic maps, Offline map access, Route recording and planning, Waypoint management, Support for multiple coordinate systems, GPX and KML file import/export

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| France topographic 1 year | $18.49 | per year |
| 64 km² of France | $0.99 | one-time |
| 64 km² of Great Britain | $0.99 | one-time |
| United States - Aerial imagery | $0.99 | one-time |
| 256 km² of Great Britain | $2.99 | one-time |
| Mountainbike routes layer | $2.99 | one-time |
| Hiking node network | $2.99 | one-time |
| Long distance bicycle routes | $2.99 | one-time |
| United States topographic map | $2.99 | one-time |
| Topographic map Netherlands | $3.99 | one-time |
| Topographic map of Spain | $3.99 | one-time |
| Topographic map New Zealand | $3.99 | one-time |
| Topographic map of Norway | $3.99 | one-time |
| Topographic map of Sweden | $3.99 | one-time |
| Topographic map of Germany | $3.99 | one-time |
| Topographic map of Denmark | $3.99 | one-time |
| OpenStreetMap world coverage | $4.99 | one-time |
| Switzerland 1:10.000 | $6.99 | one-time |

**What reviewers like**

- 👍 Excellent multi-country map system
- 👍 Best routes for outdoorsy travelers
- 👍 Brilliant app for navigation and route planning
- 👍 Excellent for off-road and adventure riding
- 👍 Fantastic for planning and sharing hiking routes

**What reviewers complain about**

- 🐛 Offline download issues with TLS errors
- 🐛 Incorrect location search results
- 💰 Paid maps disappear after purchase
- 💰 Expensive for full map coverage
- 🤔 Unintuitive user interface and route planning

**Reported bugs**

- Purchased maps disappearing after updates
- Inability to restore previous purchases on new devices
- Crashes and freezes when using the app

**Requested features**

- Add elevation data to topo maps
- Improve route planning and navigation features
- Provide more detailed trail/path data
- Add CarPlay and Apple Watch support
- Improve map download and caching performance


### 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 |


## Frequently asked questions

### Is Topo GPS free?

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

### Is Topo Reader free?

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

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

Topo Reader is rated higher. Topo GPS averages 4.5 out of 5 from 463 ratings, while Topo Reader averages 4.6 from 177 ratings.

### Do Topo GPS or Topo Reader have ads?

Neither Topo GPS nor Topo Reader shows ads.

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

Topo GPS ships an update every 3 weeks, and Topo Reader every 3 months. Most recently, Topo GPS was updated on October 18, 2026 and Topo Reader on October 16, 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.*