# app4sail vs Marine Radar

The clearest difference is price: Marine Radar at Free against app4sail's $4.99. Marine Radar also leads on iOS requirement (8.0 vs 15.6). app4sail's advantage is update cadence (every 3 months vs every 11 months). On ads, in-app purchases and device support there is nothing between them.

Marine Radar is free to download; app4sail costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

app4sail ships an update every 3 months, Marine Radar every 11 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | app4sail | Marine Radar |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[2.7 (12 ratings)](https://appshunter.io/ios/app/marine-radar/id834243448/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 30.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 11 months |
| Monetization | — | Free |
| Size | 8 MB | 11 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [anton van oosten](https://appshunter.io/developer/641322651) | [株式会社フルノソフテック](https://appshunter.io/developer/1015812767) |

## What reviewers say

### app4sail

[App page](https://appshunter.io/ios/app/app4sail/id641578574)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is app4sail free?

app4sail costs $4.99, with no in-app purchases.

### Is Marine Radar free?

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

### Do app4sail or Marine Radar have ads?

Neither app4sail nor Marine Radar shows ads.

### Which is updated more often, app4sail or Marine Radar?

app4sail ships an update every 3 months, and Marine Radar every 11 months. Most recently, app4sail was updated on October 24, 2026 and Marine Radar on October 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*