# Topo Reader vs Topo Maps 2

The clearest difference is monetization model: Topo Maps 2 at free with in-app purchases against Topo Reader's subscription. Topo Maps 2 also leads on update cadence (every 5 weeks vs every 3 months). Topo Reader's advantage is rating (4.6 vs 4.1) and review sentiment (50% vs 38%). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Topo Reader sells 3 one-off in-app purchases and Topo Maps 2 sells 1 in-app purchase, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

Topo Reader holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 174 and 35 respectively. Written reviews point the same way: 50% of Topo Reader's written reviews are positive against 38% of Topo Maps 2's.

Topo Reader ships an update every 3 months, Topo Maps 2 every 5 weeks. The most recent releases landed on September 29, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Topo Reader | Topo Maps 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (174 ratings)](https://appshunter.io/ios/app/topo-reader/id940309979/reviews)** | [4.1 (35 ratings)](https://appshunter.io/ios/app/topo-maps-2/id6453889012/reviews) |
| Number of ratings | **174** | 35 |
| Positive reviews | **50.0% of reviews** | 37.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 29 MB | 223 MB |
| Requires iOS | **14.0** | 17.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 9+ | 4+ |
| Developer | [Delcartes LLC](https://appshunter.io/developer/909846659) | [Mappendix Limited](https://appshunter.io/developer/298854054) |

## 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 |


### Topo Maps 2

[App page](https://appshunter.io/ios/app/topo-maps-2/id6453889012)

Access detailed topographic maps and satellite imagery for the US and Canada, usable offline. Record and share tracks, plan routes with 2D/3D visualization, and view geolocated photos. Offers hybrid map modes and offline search capabilities.

**Highlights:** Offline topographic maps, 2D and 3D map views, Track recording and sharing, Route planning and visualization, Hybrid map mode, Offline search, Geolocated photo display

**Features:** macOS Compatibility, Safari Extension, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Detailed Maps - 1 year | $4.99 | per year |


## Frequently asked questions

### Is Topo Reader free?

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

### Is Topo Maps 2 free?

Topo Maps 2 is free to download, with in-app purchases available.

### Which has better reviews, Topo Reader or Topo Maps 2?

Topo Reader is rated higher. Topo Reader averages 4.6 out of 5 from 174 ratings, while Topo Maps 2 averages 4.1 from 35 ratings.

### Do Topo Reader or Topo Maps 2 have ads?

Neither Topo Reader nor Topo Maps 2 shows ads.

### Which is updated more often, Topo Reader or Topo Maps 2?

Topo Reader ships an update every 3 months, and Topo Maps 2 every 5 weeks. Most recently, Topo Reader was updated on September 29, 2026 and Topo Maps 2 on September 7, 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.*