# ASM Vessel Tracker vs Marine Docker

The clearest difference is update cadence: ASM Vessel Tracker at monthly against Marine Docker's every 4 months. ASM Vessel Tracker also leads on iOS requirement (9.0 vs 13.4). 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.

ASM Vessel Tracker ships an update monthly, Marine Docker every 4 months. The most recent releases landed on October 3, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ASM Vessel Tracker | Marine Docker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Size | 33 MB | 61 MB |
| Requires iOS | **9.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [MariApps Marine Solutions Pvt. Ltd.](https://appshunter.io/developer/1040404561) | [Kontis d.o.o.](https://appshunter.io/developer/1745258669) |

## What reviewers say

### ASM Vessel Tracker

[App page](https://appshunter.io/ios/app/asm-vessel-tracker/id1254326853)

**In-app purchases:** none


### Marine Docker

[App page](https://appshunter.io/ios/app/marine-docker/id6502378616)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ASM Vessel Tracker free?

ASM Vessel Tracker is free to download, with no in-app purchases.

### Is Marine Docker free?

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

### Do ASM Vessel Tracker or Marine Docker have ads?

Neither ASM Vessel Tracker nor Marine Docker shows ads.

### Which is updated more often, ASM Vessel Tracker or Marine Docker?

ASM Vessel Tracker ships an update monthly, and Marine Docker every 4 months. Most recently, ASM Vessel Tracker was updated on October 3, 2026 and Marine Docker on September 10, 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.*