# Maritrack Marine Traffic vs GreenFish

The clearest difference is update cadence: GreenFish at weekly against Maritrack Marine Traffic's every 4 months. GreenFish also leads on iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Maritrack Marine Traffic ships an update every 4 months, GreenFish weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Maritrack Marine Traffic | GreenFish |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (24 ratings)](https://appshunter.io/ios/app/maritrack-marine-traffic-data/id6758941587/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free | — |
| Size | 66 MB | 80 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Borys Havruliak](https://appshunter.io/developer/1875878963) | [Torben Schlawe](https://appshunter.io/developer/6780506416) |

## What reviewers say

### Maritrack Marine Traffic

[App page](https://appshunter.io/ios/app/maritrack-marine-traffic-data/id6758941587)

Monitor ship routes globally with real-time AIS tracking, detailed vessel information, and integrated weather forecasts. Understand port traffic and plan passages with live data on maritime activity.

**Highlights:** Real-time vessel map, Live AIS tracking, Detailed ship profiles, Integrated weather forecasts, Port traffic monitoring, Voyage history

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

**In-app purchases:** none


### GreenFish

[App page](https://appshunter.io/ios/app/greenfish/id6780506414)

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

**In-app purchases:** none


## Frequently asked questions

### Is Maritrack Marine Traffic free?

Maritrack Marine Traffic is free to download, with no in-app purchases.

### Is GreenFish free?

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

### Do Maritrack Marine Traffic or GreenFish have ads?

Neither Maritrack Marine Traffic nor GreenFish shows ads.

### Which is updated more often, Maritrack Marine Traffic or GreenFish?

Maritrack Marine Traffic ships an update every 4 months, and GreenFish weekly. Most recently, Maritrack Marine Traffic was updated on October 31, 2026 and GreenFish on October 31, 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.*