# Marine Warning vs DITP

The clearest difference is update cadence: DITP at every 9 days against Marine Warning's monthly. 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.

Marine Warning ships an update monthly, DITP every 9 days. The most recent releases landed on October 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Marine Warning | DITP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Size | 35 MB | 42 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Department of Marine and Coastal Resources](https://appshunter.io/developer/916568665) | [ditp.go.th](https://appshunter.io/developer/704199077) |

## What reviewers say

### Marine Warning

[App page](https://appshunter.io/ios/app/marine-warning/id6472727202)

**In-app purchases:** none


### DITP

[App page](https://appshunter.io/ios/app/ditp-trade-registration/id6743175721)

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

**In-app purchases:** none


## Frequently asked questions

### Is Marine Warning free?

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

### Is DITP free?

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

### Do Marine Warning or DITP have ads?

Neither Marine Warning nor DITP shows ads.

### Which is updated more often, Marine Warning or DITP?

Marine Warning ships an update monthly, and DITP every 9 days. Most recently, Marine Warning was updated on October 25, 2026 and DITP on September 19, 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.*