# Gemma GPS vs TopoXY

The clearest difference is ads: Gemma GPS at none against TopoXY's shown. TopoXY's advantage is update cadence (every 2 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Gemma GPS sells 2 in-app purchases, starting at $199.99 per year and TopoXY sells 5 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Gemma GPS ships an update every 2 months, TopoXY every 2 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Gemma GPS | TopoXY |
| --- | --- | --- |
| 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 | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 54 MB | 47 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Tudor](https://appshunter.io/developer/731851556) | [Darius Cirjan](https://appshunter.io/developer/1827010077) |

## 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 |


### TopoXY

[App page](https://appshunter.io/ios/app/topoxy-coordinate-converter/id6758582908)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TopoXY Pro Weekly: GIS Tools | $2.99 | per 7 days |
| TopoXY Pro Monthly: GIS Tools | $6.99 | per month |
| TopoXY Pro Yearly: GIS Tools | $19.99 | per year |
| Stereo 70 Lifetime Offer | $27.99 | one-time |
| TopoXY Pro Lifetime: GIS | $39.99 | one-time |


## Frequently asked questions

### Is Gemma GPS free?

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

### Is TopoXY free?

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

### Do Gemma GPS or TopoXY have ads?

TopoXY shows ads; Gemma GPS does not.

### Which is updated more often, Gemma GPS or TopoXY?

Gemma GPS ships an update every 2 months, and TopoXY every 2 weeks. Most recently, Gemma GPS was updated on November 1, 2026 and TopoXY on November 5, 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.*