# Topo Maps 2 vs Vector GDX

The clearest difference is in-app purchases: Vector GDX at none against Topo Maps 2's 1. Vector GDX also leads on update cadence (weekly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Topo Maps 2 sells 1 in-app purchase, starting at $4.99 per year. Vector GDX asks for nothing beyond the download.

Topo Maps 2 ships an update every 5 weeks, Vector GDX weekly. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Topo Maps 2 | Vector GDX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (35 ratings)](https://appshunter.io/ios/app/topo-maps-2/id6453889012/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 223 MB | 118 MB |
| Requires iOS | 17.2 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mappendix Limited](https://appshunter.io/developer/298854054) | [Gates Defense Systems, LLC](https://appshunter.io/developer/1858077698) |

## What reviewers say

### 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 |


### Vector GDX

[App page](https://appshunter.io/ios/app/vector-gdx/id6761137106)

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

**In-app purchases:** none


## Frequently asked questions

### Is Topo Maps 2 free?

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

### Is Vector GDX free?

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

### Do Topo Maps 2 or Vector GDX have ads?

Neither Topo Maps 2 nor Vector GDX shows ads.

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

Topo Maps 2 ships an update every 5 weeks, and Vector GDX weekly. Most recently, Topo Maps 2 was updated on October 8, 2026 and Vector GDX on October 1, 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.*