# Go Terrain vs Detector Maps

The clearest difference is monetization model: Go Terrain at free with in-app purchases against Detector Maps's subscription. Go Terrain also leads on ads (none vs shown). Detector Maps's advantage is review sentiment (74% vs 37%) and rating (4.7 vs 4.3). On price, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Go Terrain sells 3 in-app purchases, starting at $4.99 per year and Detector Maps sells 4 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Detector Maps holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 102 and 248 respectively. Written reviews point the same way: 37% of Go Terrain's written reviews are positive against 74% of Detector Maps's.

Go Terrain ships an update fortnightly, Detector Maps every 6 days. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Go Terrain | Detector Maps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (102 ratings)](https://appshunter.io/ios/app/go-terrain/id1419674707/reviews) | **[4.7 (248 ratings)](https://appshunter.io/ios/app/detector-maps/id6741421159/reviews)** |
| Number of ratings | 102 | **248** |
| Positive reviews | 36.8% of reviews | **73.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Best chart rank | — | **#106** |
| Size | 68 MB | 140 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Xplorer](https://appshunter.io/developer/1419674706) | [GOLD DISCOVERY SOLUTIONS PTY LTD](https://appshunter.io/developer/1788016705) |

## What reviewers say

### Go Terrain

[App page](https://appshunter.io/ios/app/go-terrain/id1419674707)

This app connects to compatible metal detectors via Bluetooth to display target locations in real-time on a map. It allows users to save and share routes, view other users' positions and finds, and expand a shared database of terrain information.

**Highlights:** Real-time target display via Bluetooth, Save and consult routes, Group mode for networked users, See colleagues' positions and routes, Share and expand terrain database, Connect DEUS II/DEUS/ORX detectors

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual standard | $4.99 | per year |
| Annual premium | $9.99 | per year |
| Premium France | $19.99 | per year |


### Detector Maps

[App page](https://appshunter.io/ios/app/detector-maps/id6741421159)

**Currently charting:** #106 Top Grossing · Navigation (US App Store)

This app provides advanced geological data and GPS tools for gold prospecting in Australia, the US, and New Zealand. It offers offline map access, breadcrumb tracking, and waypoint marking to help users explore efficiently and locate potential gold-bearing areas.

**Highlights:** Advanced geological and gold-focused data, Offline map and data layer downloads, Breadcrumb trail tracking (background GPS), Waypoint marking with field notes, Real-time GPS navigation, Historic gold mines and workings layers

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Explorer Plan | $7.99 | per month |
| Monthly Plan | $11.99 | per month |
| Yearly Explorer Plan | $59.99 | per year |
| Yearly Plan | $99.99 | per year |

**What reviewers like**

- 🚀 Good maps
- 👍 Extremely handy
- 👍 Helpful information
- 👍 Excellent app
- 👍 Fantastic app

**What reviewers complain about**

- 🐛 Missing areas
- 🐛 Discrepancies in data
- 🐛 LiDAR not working
- 🔒 Subscription issues

**Reported bugs**

- Issues with subscription and login
- LiDAR not working in certain areas

**Requested features**

- Expand coverage to more areas
- Improve data accuracy and consistency


## Frequently asked questions

### Is Go Terrain free?

Go Terrain is free to download, with in-app purchases available.

### Is Detector Maps free?

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

### Which has better reviews, Go Terrain or Detector Maps?

Detector Maps is rated higher. Go Terrain averages 4.3 out of 5 from 102 ratings, while Detector Maps averages 4.7 from 248 ratings.

### Do Go Terrain or Detector Maps have ads?

Detector Maps shows ads; Go Terrain does not.

### Which is updated more often, Go Terrain or Detector Maps?

Go Terrain ships an update fortnightly, and Detector Maps every 6 days. Most recently, Go Terrain was updated on September 22, 2026 and Detector Maps on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*