# Gemma GPS vs Trail Explorer

The clearest difference is in-app purchases: Trail Explorer at none against Gemma GPS's 2. Trail Explorer also leads on update cadence (every 8 days vs every 2 months) and iOS requirement (16.4 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Gemma GPS sells 2 in-app purchases, starting at $199.99 per year. Trail Explorer asks for nothing beyond the download.

Gemma GPS ships an update every 2 months, Trail Explorer every 8 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Gemma GPS | Trail Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gemma-gps/id731851553/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 54 MB | 72 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Tudor](https://appshunter.io/developer/731851556) | [Evgueni Stoilkov](https://appshunter.io/developer/1579543085) |

## What reviewers say

### Gemma GPS

[App page](https://appshunter.io/ios/app/gemma-gps/id731851553)

Navigate the outdoors with a digital compass that conserves battery. Save locations and get guided back to them with a simple arrow. Ideal for travelers, hikers, sailors, and geocachers who venture off the beaten path.

**Highlights:** Digital compass, Battery saving mode, Save locations, Night vision mode, Navigation guidance

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gemma GPS Pro Support | $199.99 | per year |
| Gemma GPS Enterprise Support | $499.99 | per year |


### Trail Explorer

[App page](https://appshunter.io/ios/app/trail-explorer/id1637723161)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gemma GPS free?

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

### Is Trail Explorer free?

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

### Do Gemma GPS or Trail Explorer have ads?

Neither Gemma GPS nor Trail Explorer shows ads.

### Which is updated more often, Gemma GPS or Trail Explorer?

Gemma GPS ships an update every 2 months, and Trail Explorer every 8 days. Most recently, Gemma GPS was updated on October 14, 2026 and Trail Explorer on October 11, 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.*