VHF Trainer Lite vs Master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VHF Trainer Lite
Learn and practice VHF radio, Digital Selective Calling, and GMDSS with an immersive experience. This app offers learning modules, tests, and 3D simulations to help you master maritime radiocommunication equipment and distress procedures in a safe environment.
- VHF radio, DSC, and GMDSS learning
- Interactive tests and quizzes
- 3D maritime simulation
- Distress alert practice
- Progress tracking and scoring
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Changing the way of learning VHF Trainer Lite is the most complete application on the market for learning and practicing about VHF radio, Digital Selective Calling and GMDSS. It is divided into three sections (Learning, Test and Simulation) so you can have an immersive experience aboard a ship, read, train and test all your knowledge in a didactic and fun way. in the full version you will get : - 9 illustrated chapters in full color and with great quality that will allow you to learn in an easy and attractive way everything related to the Global Maritime Distress and Safety System and radiocommunication equipment at sea. - More than 20 scenarios: The 3D simulation allows you to navigate aboard a ship using a marine VHF equipment with all its functions: you will receive radio communications, send alerts and you will be able to experience situations of distress. Get ready to navigate and experience an interaction with the ocean in a safe and controlled environment. - More than 200 questions about the VHF equipment: Answer questions, join concepts with arrows and choose the right option from a list of possibilities in a trivia that will allow you to evaluate the knowledge that you have assimilated. VHF Trainer Lite will score your answers and congratulate you or invite you to continue studying according to your performance. Our focus is on advancing, growing and evolving, always thinking about the end user experience, and to be able to offer products of quality and easy assimilation following the principle "if I listen, I forget; If I see it, I remember it; If I do and I practice it, I understand." ----------------------- Keywords: VHF, DSC,VHF-DSC, SRC, GMDSS, Skipper, PNB, PER, LRC, General operator, Short range certificate
Master
Practice maritime navigation rules and buoyage systems with this app. It helps you identify knowledge gaps and track your progress in mastering essential regulations for mariners.
- USCG Navigation Rules practice
- IALA Maritime Buoyage System tests
- Knowledge gap identification
- Progress tracking
- Developed by Master Mariner
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Master-Nav: COLREGS IALA Tests is a free practice app developed by a Master Mariner with 30 years of seagoing experience. Test your knowledge of the USCG Navigation Rules and IALA Maritime Buoyage System — the regulations every mariner needs to know. A straightforward way to find out where you stand, identify gaps in your knowledge and track your progress over time. Master COLREGS & IALA — the easy way.
Screenshots
Verdict
VHF Trainer Lite and Master both sit at 5.0 stars, but that hides the real split: 100% of Master's written reviews are positive against 50% of VHF Trainer Lite's. Master also leads on update cadence (fortnightly vs monthly). VHF Trainer Lite's advantage is device support (3 vs 1) and iOS requirement (7.0 vs 17.6). On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for VHF Trainer Lite against 5.0 for Master. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 50% of VHF Trainer Lite's written reviews are positive against 100% of Master's.
VHF Trainer Lite ships an update monthly, Master fortnightly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | VHF Trainer Lite | Master |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 — better | 1 |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 7.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 471 MB | 305 MB |
| Age rating | 4+ | 4+ |
| Developer | Advenio Software | Peterjohn Chisholm |
Customer experience
VHF Trainer Lite
Master
In-app purchases
VHF Trainer Lite
No in-app purchases
Master
No in-app purchases
Questions
Is VHF Trainer Lite free?
Is Master free?
Which has better reviews, VHF Trainer Lite or Master?
Do VHF Trainer Lite or Master have ads?
Which is updated more often, VHF Trainer Lite or Master?
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