# ZTrails vs GR11

The clearest difference is price: ZTrails at Free against GR11's $14.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

ZTrails is free to download; GR11 costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on September 28, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | ZTrails | GR11 |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Size | 35 MB | 14 MB |
| Requires iOS | 15.5 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GeoSLab](https://appshunter.io/developer/830485894) | [Jorge Rodriguez-Flores Esparza](https://appshunter.io/developer/1401919628) |

## What reviewers say

### ZTrails

[App page](https://appshunter.io/ios/app/ztrails/id1198972814)

**In-app purchases:** none


### GR11

[App page](https://appshunter.io/ios/app/gr11/id1473729080)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ZTrails free?

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

### Is GR11 free?

GR11 costs $14.99, with no in-app purchases.

### Do ZTrails or GR11 have ads?

Neither ZTrails nor GR11 shows ads.

### Which is updated more often, ZTrails or GR11?

ZTrails ships an update every 5 months, and GR11 every 5 months. Most recently, ZTrails was updated on September 28, 2026 and GR11 on September 20, 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.*