# Catchwise vs Marine Traffic Vessel Tracking

The clearest difference is update cadence: Marine Traffic Vessel Tracking at every 4 days against Catchwise's every 5 weeks. Catchwise's advantage is iOS requirement (15.0 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.

Catchwise ships an update every 5 weeks, Marine Traffic Vessel Tracking every 4 days. The most recent releases landed on October 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Catchwise | Marine Traffic Vessel Tracking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Size | 37 MB | 4 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Catchwise](https://appshunter.io/developer/1750278283) | [Nguyen Tra My Le](https://appshunter.io/developer/6780785826) |

## What reviewers say

### Catchwise

[App page](https://appshunter.io/ios/app/catchwise/id6503909105)

**Features:** macOS Compatibility

**In-app purchases:** none


### Marine Traffic Vessel Tracking

[App page](https://appshunter.io/ios/app/marine-traffic-vessel-tracking/id6794506985)

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

**In-app purchases:** none


## Frequently asked questions

### Is Catchwise free?

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

### Is Marine Traffic Vessel Tracking free?

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

### Do Catchwise or Marine Traffic Vessel Tracking have ads?

Neither Catchwise nor Marine Traffic Vessel Tracking shows ads.

### Which is updated more often, Catchwise or Marine Traffic Vessel Tracking?

Catchwise ships an update every 5 weeks, and Marine Traffic Vessel Tracking every 4 days. Most recently, Catchwise was updated on October 6, 2026 and Marine Traffic Vessel Tracking 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.*