# RayView vs DONIA

The clearest difference is rating: DONIA at 4.5 against RayView's 2.7. DONIA also leads on update cadence (every 4 weeks vs every 12 months) and review sentiment (63% vs 39%). RayView's advantage is in-app purchases (none vs 2) and iOS requirement (8.0 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. DONIA sells 2 in-app purchases, starting at $2.49 per month. RayView asks for nothing beyond the download.

DONIA holds the better App Store score, 4.5 against 2.7. Both are backed by a comparable volume of ratings — 18 and 34 respectively. Written reviews point the same way: 39% of RayView's written reviews are positive against 63% of DONIA's.

RayView ships an update every 12 months, DONIA every 4 weeks. Both last shipped on November 6, 2026.

## The numbers

| Metric | RayView | DONIA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (18 ratings)](https://appshunter.io/ios/app/rayview/id456592422/reviews) | **[4.5 (34 ratings)](https://appshunter.io/ios/app/donia/id751225905/reviews)** |
| Number of ratings | 18 | **34** |
| Positive reviews | 39.3% of reviews | **63.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 weeks** |
| Monetization | **Free** | Freemium |
| Size | 23 MB | 55 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Raymarine UK Limited](https://appshunter.io/developer/456592425) | [Andromede Oceanologie](https://appshunter.io/developer/740679172) |

## What reviewers say

### RayView

[App page](https://appshunter.io/ios/app/rayview/id456592422)

View your Raymarine e, c, ES, and Axiom Multi-Functional Display on your smartphone or tablet. Requires specific software versions on your Raymarine device and compatible iOS hardware.

**Highlights:** View Raymarine MFDs on mobile, Wi-Fi connectivity, Compatible with e, c, ES, Axiom models, Requires software v 3.15+, Supports iPhone and iPad

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

**In-app purchases:** none


### DONIA

[App page](https://appshunter.io/ios/app/donia/id751225905)

This app provides detailed seabed visualization and marine information for safe and respectful sea navigation. It allows users to book mooring buoys, share observations, and monitor their vessels. Access premium features like high-definition charts for enhanced planning and exploration.

**Highlights:** Seabed visualization, Marine information access, Mooring buoy booking, User observation sharing, Navigation preparation and monitoring, Mooring monitoring with alarms, Offline mapping

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DONIA® Premium Monthly | $2.49 | per month |
| DONIA® Premium Version | $22.99 | per year |


## Frequently asked questions

### Is RayView free?

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

### Is DONIA free?

DONIA is free to download, with in-app purchases available.

### Which has better reviews, RayView or DONIA?

DONIA is rated higher. RayView averages 2.7 out of 5 from 18 ratings, while DONIA averages 4.5 from 34 ratings.

### Do RayView or DONIA have ads?

Neither RayView nor DONIA shows ads.

### Which is updated more often, RayView or DONIA?

RayView ships an update every 12 months, and DONIA every 4 weeks. Most recently, RayView was updated on November 6, 2026 and DONIA on November 6, 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.*