# GTRPlus vs Zarpes

The clearest difference is review sentiment: GTRPlus at 100% against Zarpes's 25%. GTRPlus also leads on rating (5.0 vs 2.0) and iOS requirement (12.0 vs 16.0). Zarpes's advantage is ratings volume (8 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GTRPlus holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: Zarpes has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of GTRPlus's written reviews are positive against 25% of Zarpes's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 26, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | GTRPlus | Zarpes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gtrplus/id959691628/reviews)** | [2.0 (8 ratings)](https://appshunter.io/ios/app/zarpes/id6745921888/reviews) |
| Number of ratings | 1 | **8** |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 15 MB | 8 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SIGIS Soluciones Integrales GIS, C.A.](https://appshunter.io/developer/912150464) | [T4E Design](https://appshunter.io/developer/1534774016) |

## What reviewers say

### GTRPlus

[App page](https://appshunter.io/ios/app/gtrplus/id959691628)

This app provides continuous vehicle monitoring and immediate location tracking. It offers safety features like cruise control, geofencing, and a panic button for individual users or family groups.

**Highlights:** Continuous vehicle monitoring, Immediate location tracking, Cruise control, Geofencing, Route history, Panic button

**Features:** macOS Compatibility

**In-app purchases:** none


### Zarpes

[App page](https://appshunter.io/ios/app/zarpes/id6745921888)

Easily notify your departure and stay updated on your vessel's status. Manage authorized personnel and explore new sailing destinations within a single application.

**Highlights:** Notify departure quickly, Track vessel status, Manage authorized personnel, Discover sailing destinations, Easy navigation

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

**In-app purchases:** none


## Frequently asked questions

### Is GTRPlus free?

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

### Is Zarpes free?

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

### Which has better reviews, GTRPlus or Zarpes?

GTRPlus is rated higher. GTRPlus averages 5.0 out of 5 from 1 ratings, while Zarpes averages 2.0 from 8 ratings.

### Do GTRPlus or Zarpes have ads?

Neither GTRPlus nor Zarpes shows ads.

### Which is updated more often, GTRPlus or Zarpes?

GTRPlus ships an update every 2 months, and Zarpes every 2 months. Most recently, GTRPlus was updated on September 26, 2026 and Zarpes on October 8, 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.*