# Gemma GPS vs Track Poseidon

The clearest difference is in-app purchases: Track Poseidon at none against Gemma GPS's 2. Track Poseidon also leads on iOS requirement (15.1 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. Track Poseidon asks for nothing beyond the download.

## The numbers

| Metric | Gemma GPS | Track Poseidon |
| --- | --- | --- |
| 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 | — |
| Monetization | Free | — |
| Size | 54 MB | 39 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Tudor](https://appshunter.io/developer/731851556) | [GLONASSsoft](https://appshunter.io/developer/991861785) |

## 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 |


### Track Poseidon

[App page](https://appshunter.io/ios/app/track-poseidon/id6751721395)

**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 Track Poseidon free?

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

### Do Gemma GPS or Track Poseidon have ads?

Neither Gemma GPS nor Track Poseidon shows ads.

---

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