# RayControl vs qtVlm

The clearest difference is review sentiment: qtVlm at 79% against RayControl's 42%. qtVlm also leads on update cadence (weekly vs every 16 months) and rating (3.7 vs 3.3). RayControl's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 12.0). On price, ratings volume and ads there is nothing between them.

Both are free to download. qtVlm sells 1 one-off in-app purchase. RayControl asks for nothing beyond the download.

qtVlm holds the better App Store score, 3.7 against 3.3. Both are backed by a comparable volume of ratings — 7 and 9 respectively. Written reviews point the same way: 42% of RayControl's written reviews are positive against 79% of qtVlm's.

RayControl ships an update every 16 months, qtVlm weekly. The most recent releases landed on October 18, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | RayControl | qtVlm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (7 ratings)](https://appshunter.io/ios/app/raycontrol/id523576941/reviews) | **[3.7 (9 ratings)](https://appshunter.io/ios/app/qtvlm/id999110023/reviews)** |
| Number of ratings | 7 | **9** |
| Positive reviews | 41.7% of reviews | **79.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 100 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Raymarine UK Limited](https://appshunter.io/developer/456592425) | [Meltemus SAS](https://appshunter.io/developer/999110022) |

## What reviewers say

### RayControl

[App page](https://appshunter.io/ios/app/raycontrol/id523576941)

View and remotely control your Raymarine e, c, ES, and Axiom Multi-Functional Displays from your iPad. Access electronic charting, sonar, radar, and thermal night vision with touch screen interaction and a virtual keypad.

**Highlights:** Remote viewing of MFDs, Touch screen control, Virtual slide-out keypad, Control charting, sonar, radar, and thermal vision, Wi-Fi connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### qtVlm

[App page](https://appshunter.io/ios/app/qtvlm/id999110023)

This navigation software is designed for sailing boats, offering a free version with basic GRIB viewing and an optional full version with advanced weather routing, chart modules, and communication features. It supports various chart formats and NMEA data sources, with a simulation mode for learning.

**Highlights:** GRIB viewer with advanced functions, Weather routing and route modules, Support for Raster, Vector, and MBTiles charts, Harmonic file support for tides and currents, AIS and Iridium GO! communication, Anchor Alarm module, Simulation Mode for learning

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $49.99 | one-time |


## Frequently asked questions

### Is RayControl free?

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

### Is qtVlm free?

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

### Which has better reviews, RayControl or qtVlm?

qtVlm is rated higher. RayControl averages 3.3 out of 5 from 7 ratings, while qtVlm averages 3.7 from 9 ratings.

### Do RayControl or qtVlm have ads?

Neither RayControl nor qtVlm shows ads.

### Which is updated more often, RayControl or qtVlm?

RayControl ships an update every 16 months, and qtVlm weekly. Most recently, RayControl was updated on October 18, 2026 and qtVlm on October 22, 2026.

---

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