# Scanner3D vs CoilTrail

The clearest difference is in-app purchases: Scanner3D at none against CoilTrail's 3. CoilTrail's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.5). On price, update cadence and ads there is nothing between them.

Both are free to download. CoilTrail sells 3 in-app purchases, starting at $3.99 per month. Scanner3D asks for nothing beyond the download.

Scanner3D ships an update every 2 weeks, CoilTrail weekly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Scanner3D | CoilTrail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/coiltrail/id6782458017/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 90 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Danqing Zhang](https://appshunter.io/developer/1888815834) | [ANTTI-PEKKA DAVIDSSON](https://appshunter.io/developer/6782458019) |

## What reviewers say

### Scanner3D

[App page](https://appshunter.io/ios/app/scanner3d-pathon-robotics/id6762235906)

**In-app purchases:** none


### CoilTrail

[App page](https://appshunter.io/ios/app/coiltrail/id6782458017)

This app helps metal detectorists log their finds and map their search areas. It records your route, logs treasure locations with photos and depth, and offers advanced mapping features. Analyze your findings and equipment performance to improve your treasure hunting success.

**Highlights:** GPS route tracking, Log finds with photos and depth, 3D LiDAR and Hillshade maps, Advanced soil and topography maps, Distance and area measuring tools, Metal detecting logbook and stats, Landowner permission logging, Export findings to CSV/PDF

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CoilTrail Pro monthly | $3.99 | per month |
| CoilTrail Cloud & Web | $4.99 | per month |
| CoilTrail Pro Yearly | $34.99 | per year |


## Frequently asked questions

### Is Scanner3D free?

Scanner3D is free to download, with no in-app purchases.

### Is CoilTrail free?

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

### Do Scanner3D or CoilTrail have ads?

Neither Scanner3D nor CoilTrail shows ads.

### Which is updated more often, Scanner3D or CoilTrail?

Scanner3D ships an update every 2 weeks, and CoilTrail weekly. Most recently, Scanner3D was updated on October 26, 2026 and CoilTrail on October 25, 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.*