# Ships Lights vs DCC Energi

The clearest difference is price: DCC Energi at Free against Ships Lights's $3.99. DCC Energi also leads on update cadence (every 4 days vs every 17 months). Ships Lights's advantage is iOS requirement (10.0 vs 16.6). On ads, in-app purchases and device support there is nothing between them.

DCC Energi 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, DCC Energi every 4 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ships Lights | DCC Energi |
| --- | --- | --- |
| 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 4 days** |
| Monetization | Paid | — |
| Size | 19 MB | 45 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Iver C. Weilbach & Co. A/S](https://appshunter.io/developer/470890172) | [DCC Energi](https://appshunter.io/developer/1463242151) |

## 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


### DCC Energi

[App page](https://appshunter.io/ios/app/dcc-energi/id6799008035)

**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 DCC Energi free?

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

### Do Ships Lights or DCC Energi have ads?

Neither Ships Lights nor DCC Energi shows ads.

### Which is updated more often, Ships Lights or DCC Energi?

Ships Lights ships an update every 17 months, and DCC Energi every 4 days. Most recently, Ships Lights was updated on October 27, 2026 and DCC Energi on October 25, 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.*