# Ships Lights vs IPA dMSC

The clearest difference is price: IPA dMSC at Free against Ships Lights's $3.99. IPA dMSC also leads on update cadence (every 5 weeks vs every 17 months). Ships Lights's advantage is iOS requirement (10.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

IPA dMSC is free to download; Ships Lights costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ships Lights ships an update every 17 months, IPA dMSC every 5 weeks. The most recent releases landed on October 27, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | Ships Lights | IPA dMSC |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/ships-lights/id470890169/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 19 MB | 15 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Iver C. Weilbach & Co. A/S](https://appshunter.io/developer/470890172) | [International Police Association (IPA), Österreichische Sektion](https://appshunter.io/developer/1642974454) |

## What reviewers say

### Ships Lights

[App page](https://appshunter.io/ios/app/ships-lights/id470890169)

Learn and review maritime navigation rules for ships' lights, fog signals, and shapes. This app uses effective learning methods to teach both new and experienced sailors, with levels of increasing challenge and a searchable index.

**Highlights:** Ships' lights, fog signals, and shapes education, Refresher for experienced sailors, Learning tool for new sailors, Searchable index of vessel types, Four levels of increasing challenge, Effective learning methods

**Features:** Vision Pro support

**In-app purchases:** none


### IPA dMSC

[App page](https://appshunter.io/ios/app/ipa-dmsc/id1642974452)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ships Lights free?

Ships Lights costs $3.99, with no in-app purchases.

### Is IPA dMSC free?

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

### Do Ships Lights or IPA dMSC have ads?

Neither Ships Lights nor IPA dMSC shows ads.

### Which is updated more often, Ships Lights or IPA dMSC?

Ships Lights ships an update every 17 months, and IPA dMSC every 5 weeks. Most recently, Ships Lights was updated on October 27, 2026 and IPA dMSC on August 29, 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.*