# ALERTRACKER vs Zarpes

ALERTRACKER and Zarpes both sit at 2.0 stars, but that hides the real split: 25% of Zarpes's written reviews are positive against 0% of ALERTRACKER's. Zarpes also leads on update cadence (every 2 months vs every 8 months) and ratings volume (8 vs 1). On price, rating, 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.

On the App Store both sit at effectively the same score — 2.0 for ALERTRACKER against 2.0 for Zarpes. 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 are what separate them: 0% of ALERTRACKER's written reviews are positive against 25% of Zarpes's.

ALERTRACKER ships an update every 8 months, Zarpes every 2 months. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ALERTRACKER | Zarpes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/alertracker/id1659462644/reviews) | [2.0 (8 ratings)](https://appshunter.io/ios/app/zarpes/id6745921888/reviews) |
| Number of ratings | 1 | **8** |
| Positive reviews | 0.0% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 78 MB | 8 MB |
| Requires iOS | 16.2 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Global Open Data SAC](https://appshunter.io/developer/1652814827) | [T4E Design](https://appshunter.io/developer/1534774016) |

## What reviewers say

### ALERTRACKER

[App page](https://appshunter.io/ios/app/alertracker/id1659462644)

Official fleet control application with international coverage. Monitor your fleet 24/7 with real-time tracking and management tools.

**Highlights:** Official fleet control, International coverage, 24/7 monitoring, Real-time tracking

**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 ALERTRACKER free?

ALERTRACKER 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, ALERTRACKER or Zarpes?

ALERTRACKER and Zarpes are both rated 2.0 out of 5 on the App Store, from 1 and 8 ratings respectively.

### Do ALERTRACKER or Zarpes have ads?

Neither ALERTRACKER nor Zarpes shows ads.

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

ALERTRACKER ships an update every 8 months, and Zarpes every 2 months. Most recently, ALERTRACKER was updated on October 12, 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.*