# ASM Vessel Tracker vs Knutsen ETA/ETD

The clearest difference is update cadence: Knutsen ETA/ETD at every 8 days against ASM Vessel Tracker's monthly. ASM Vessel Tracker's advantage is iOS requirement (9.0 vs 16.6). 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, Knutsen ETA/ETD every 8 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ASM Vessel Tracker | Knutsen ETA/ETD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 8 days** |
| Size | 33 MB | 27 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [MariApps Marine Solutions Pvt. Ltd.](https://appshunter.io/developer/1040404561) | [Sergejs Zeigurs](https://appshunter.io/developer/1439812373) |

## What reviewers say

### ASM Vessel Tracker

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

**In-app purchases:** none


### Knutsen ETA/ETD

[App page](https://appshunter.io/ios/app/knutsen-etaetd/id6746096925)

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

**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 Knutsen ETA/ETD free?

Knutsen ETA/ETD is free to download, with no in-app purchases.

### Do ASM Vessel Tracker or Knutsen ETA/ETD have ads?

Neither ASM Vessel Tracker nor Knutsen ETA/ETD shows ads.

### Which is updated more often, ASM Vessel Tracker or Knutsen ETA/ETD?

ASM Vessel Tracker ships an update monthly, and Knutsen ETA/ETD every 8 days. Most recently, ASM Vessel Tracker was updated on October 29, 2026 and Knutsen ETA/ETD on October 28, 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.*