Comparison

VHF Trainer Lite vs Master

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • VHF radio, DSC, and GMDSS learning
  • Interactive tests and quizzes
  • 3D maritime simulation
  • Distress alert practice
  • Progress tracking and scoring
Features
Read full description

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

About

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.

Highlights
  • USCG Navigation Rules practice
  • IALA Maritime Buoyage System tests
  • Knowledge gap identification
  • Progress tracking
  • Developed by Master Mariner
Features
Read full description

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

VHF Trainer Lite4 screens
Master4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

VHF Trainer Lite ships an update monthly, Master fortnightly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
VHF Trainer Lite versus Master: the parameters behind the verdict, then further details
ParameterVHF Trainer LiteMaster
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings2 — better1
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS7.0 — better17.6
Further details — not scored
Size471 MB305 MB
Age rating4+4+
DeveloperAdvenio SoftwarePeterjohn Chisholm

Customer experience

VHF Trainer Lite

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Master

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

VHF Trainer Lite

No in-app purchases

None

Master

No in-app purchases

Questions

Is VHF Trainer Lite free?
VHF Trainer Lite is free to download, with no in-app purchases.
Is Master free?
Master is free to download, with no in-app purchases.
Which has better reviews, VHF Trainer Lite or Master?
VHF Trainer Lite and Master are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do VHF Trainer Lite or Master have ads?
Neither VHF Trainer Lite nor Master shows ads.
Which is updated more often, VHF Trainer Lite or Master?
VHF Trainer Lite ships an update monthly, and Master fortnightly. Most recently, VHF Trainer Lite was updated on November 2, 2026 and Master on October 31, 2026.

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