# SeaRegs vs Navigation Lights 3D

The clearest difference is review sentiment: SeaRegs at 100% against Navigation Lights 3D's 20%. SeaRegs also leads on price (Free vs $1.99) and iOS requirement (15.1 vs 18.0). Navigation Lights 3D's advantage is update cadence (every 3 weeks vs every 9 months). On ads, in-app purchases and device support there is nothing between them.

SeaRegs is free to download; Navigation Lights 3D costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SeaRegs ships an update every 9 months, Navigation Lights 3D every 3 weeks. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | SeaRegs | Navigation Lights 3D |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | **100.0% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 39 MB | 2 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Initi Limited](https://appshunter.io/developer/1607277298) | [Smirnov Yury](https://appshunter.io/developer/420438416) |

## What reviewers say

### SeaRegs

[App page](https://appshunter.io/ios/app/searegs-workboat-training/id1544980480)

This interactive learning resource offers essential maritime skills and knowledge for operating in a marine environment. It includes tests for each section to help users track their progress in acquiring maritime expertise.

**Highlights:** Interactive learning resource, Essential maritime skills, Knowledge for marine operations, Progress tracking tests, Reference material

**Features:** macOS Compatibility

**In-app purchases:** none


### Navigation Lights 3D

[App page](https://appshunter.io/ios/app/navigation-lights-3d/id1548128224)

Study maritime navigation lights and vessel identification according to COLREGs-72. Observe vessels from various angles to understand their position, capabilities, and activities in low visibility. Ideal for aspiring and current navigators.

**Highlights:** COLREGs-72 compliant study, Observe night lights from multiple angles, Understand vessel position and capabilities, Identify vessel types in low visibility, Supports dark mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SeaRegs free?

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

### Is Navigation Lights 3D free?

Navigation Lights 3D costs $1.99, with no in-app purchases.

### Do SeaRegs or Navigation Lights 3D have ads?

Neither SeaRegs nor Navigation Lights 3D shows ads.

### Which is updated more often, SeaRegs or Navigation Lights 3D?

SeaRegs ships an update every 9 months, and Navigation Lights 3D every 3 weeks. Most recently, SeaRegs was updated on September 9, 2026 and Navigation Lights 3D on September 20, 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.*