# Marine Radar vs Aisea

The clearest difference is update cadence: Aisea at every 3 weeks against Marine Radar's every 11 months. Marine Radar's advantage is review sentiment (40% vs 14%) and iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Marine Radar ships an update every 11 months, Aisea every 3 weeks. The most recent releases landed on June 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Marine Radar | Aisea |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (12 ratings)](https://appshunter.io/ios/app/marine-radar/id834243448/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | **40.0% of reviews** | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 11 MB | 89 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社フルノソフテック](https://appshunter.io/developer/1015812767) | [Aidea Inc.](https://appshunter.io/developer/1454632788) |

## What reviewers say

### Marine Radar

[App page](https://appshunter.io/ios/app/marine-radar/id834243448)

View and control radar images from a compatible wireless radar sensor on your iOS device. This app aids in navigation by displaying radar data, but is not a substitute for fundamental navigation skills.

**Highlights:** View radar images on iOS devices, Control radar images, Connects to Furuno Wireless Radar Sensor DRS4W, Aids in voyage, Requires compatible Furuno hardware

**Features:** macOS Compatibility

**In-app purchases:** none


### Aisea

[App page](https://appshunter.io/ios/app/aisea-sailing-support-app/id1454632789)

This navigation app enhances maritime safety by displaying nearby vessel movements and potential collision risks. It also allows users to report hazards, review past voyages, and manage fleets. Communicate with nearby users directly through the app.

**Highlights:** AIS vessel tracking and collision alerts, Map editor for reporting hazards, Voyage playback and analysis, Fleet management tools, In-app Push-To-Talk communication

**In-app purchases:** none


## Frequently asked questions

### Is Marine Radar free?

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

### Is Aisea free?

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

### Do Marine Radar or Aisea have ads?

Neither Marine Radar nor Aisea shows ads.

### Which is updated more often, Marine Radar or Aisea?

Marine Radar ships an update every 11 months, and Aisea every 3 weeks. Most recently, Marine Radar was updated on June 7, 2026 and Aisea on September 10, 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.*