Comparison

VHF Trainer vs Climber Diary

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

Head to head
About

VHF Trainer

Learn and practice VHF radio, Digital Selective Calling, and GMDSS through illustrated chapters, interactive scenarios, and a trivia quiz. Experience maritime communication and distress situations in a safe, simulated environment.

Highlights
  • Illustrated learning chapters
  • 3D ship simulation
  • VHF equipment practice
  • Distress alert scenarios
  • Over 200 quiz questions
  • Knowledge assessment
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. - 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 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."

About

Climber Diary

Log your climbing sessions with detailed metrics like style, location, and mood. Visualize your progress over time with weekly, monthly, or yearly charts and compare performance. Supports multiple grading systems and includes a grade calculator.

Highlights
  • Effortless session logging
  • Detailed climb metrics
  • Progress visualization
  • Multi-grading system support
  • Grade calculator
  • Climbing gym pass scanner
Features
Read full description

Stop guessing and start progressing. Climber Diary is the streamlined performance tracker designed by climbers, for climbers. Whether you're projecting a V10 or hitting the gym for your first lead session, we help you identify exactly what's holding you back from the next level. Log Sessions in Seconds Don't let data entry ruin your flow. Log indoor and outdoor sessions effortlessly—during or after your climb. Granular Detail: Track style (pumpy, crimpy, balancy), location, and duration. Session Mood: Record how you felt to track the mental side of your performance. All Disciplines: Dedicated support for Bouldering, Lead, and Top Rope. Find Your Next Beta Never be without a place to climb. Our new Gym Finder helps you locate the nearest climbing centers and bouldering gyms, no matter where you are. Get there, get chalked up, and start logging. We are always updating this list. Data-Driven Progress Visualize your evolution with intuitive charts. Compare your performance across weeks, months, or years to spot trends and plateaus. Compare Periods: See how this week’s volume stacks up against last week. Global Standards: Full support for Hueco, French, Font, YDS, UIAA, British Tech, Australia, and RSA. Grade Converter Traveling to a new crag? Use our built-in calculator to instantly translate grades across all major international scales.

Screenshots

VHF Trainer4 screens
Climber Diary4 screens

Verdict

The call

The clearest difference is price: Climber Diary at Free against VHF Trainer's $9.99. Climber Diary also leads on update cadence (fortnightly vs every 2 months). VHF Trainer's advantage is rating (5.0 vs 3.0) and iOS requirement (7.0 vs 26.0). On ratings volume, ads, in-app purchases and device support 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

Climber Diary is free to download; VHF Trainer costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

VHF Trainer holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

VHF Trainer ships an update every 2 months, Climber Diary fortnightly. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

Scorecard5 real differences · 5 level
VHF Trainer versus Climber Diary: the parameters behind the verdict, then further details
ParameterVHF TrainerClimber Diary
Price$9.99Free — better
Rating5.0 (1 ratings) — better3.0 (1 ratings)
Positive reviews—33.3% of reviews
Number of ratings11
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS7.0 — better26.0
Further details — not scored
Size692 MB24 MB
Age rating4+4+
DeveloperAdvenio SoftwareAlexander Kozlowski

Customer experience

VHF Trainer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Climber Diary

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews3 reviews
Positive33.3%
Neutral66.7%
Negative0.0%

In-app purchases

None

VHF Trainer

No in-app purchases

None

Climber Diary

No in-app purchases

Questions

Is VHF Trainer free?
VHF Trainer costs $9.99, with no in-app purchases.
Is Climber Diary free?
Climber Diary is free to download, with no in-app purchases.
Which has better reviews, VHF Trainer or Climber Diary?
VHF Trainer is rated higher. VHF Trainer averages 5.0 out of 5 from 1 ratings, while Climber Diary averages 3.0 from 1 ratings.
Do VHF Trainer or Climber Diary have ads?
Neither VHF Trainer nor Climber Diary shows ads.
Which is updated more often, VHF Trainer or Climber Diary?
VHF Trainer ships an update every 2 months, and Climber Diary fortnightly. Most recently, VHF Trainer was updated on October 6, 2026 and Climber Diary on October 11, 2026.

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