cMate Apps Конвенция плюс vs Power System Lab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
cMate Apps Конвенция плюс
This app consolidates all developer applications, focusing on maritime training and information for users, especially those in Russia. It offers preparation modules for various maritime roles and certifications, alongside informational tools for navigation and port data.
- Maritime certification preparation
- Specialized training modules
- Information on vessels and ports
- IMO phrases and codes
- Consolidated developer apps
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Приложение содержит в себе все приложения разработчика cMate. Все собрано в одном месте и особенно будет актуально для пользователей из России. На данный момент в приложении содержатся Приложения для подготовки к СКИ Конвенция плюс (Дельта Тест) по специальностям: - Судоводитель (Капитан, Старший помощник, Вахтенный помощник) - ГМССБ Радиооператор - Старший механик - Второй механик - Вахтенный механик - Рефмеханик - Электромеханик - Матрос (Вахтенный, Квалифицированный) - Моторист (Вахтенный, Квалифицированный) - БЖС Дельт тест - ЭКНИС (ECDIS) - Дельта тест Опасные Грузы - Дельта ОСПС - Танкер Дельта тест (Начальная подготовка, Расширенная для Газовозов, Химовозов, нефтяных танкеров.) - Судовой повар. - Дельта Полярные воды Информационные приложения: - cMate PRO - Ports At Sea - All Vessels - Un/Locode - SMCP Фразы ИМО - Ports Info
Power System Lab
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Power System Lab helps cadets and marine electro-technical officers understand electrical principles, practise their skills and revisit difficult topics. Understand before you answer Explore 33 topics covering electrical fundamentals, generators, motors, protection, automation, measurements and ship systems. The library contains 575 learning steps with 412 short checks: plain-language explanations, worked examples, illustrations and interactive models. Before a new test, study material selected for its questions. Change the topic or test length to practise what you need. You can also open full topics from the library or go straight to the test. Try it on a virtual instrument Use 16 practice benches to connect probes, select a measurement mode, adjust values and interpret results. Practise voltage and resistance measurements, current loops, PWM signals, timers and other tasks. Feedback helps you understand what to change and why. Keep useful tools at hand The Tools section brings together 18 tools, including electrical calculators, signal scaling, Pt100/Pt1000 calculations, unit conversion, resistor codes and Modbus register conversion. See formulas and explanations alongside results. Create several ship clocks, give them your own names and choose a fixed UTC offset or a city's time zone. Build a steady learning habit Revisit mistakes, bookmark questions and use spaced review. Track completed tests, your daily goal and progress. The leaderboard and local study reminders are optional. Continue on the web Use the same account at powersystemlab.net/app/. Reading progress, completed instrument practice, favourite tools and ship clock settings synchronize when online. English and Russian The interface, topics and exercises support both languages. The available learning path is electro-technical officer. An account is required. After signing in, topics, virtual models, tools and ship clocks can be used without an internet connection while your account remains available on the device. New tests, sending answers and synchronizing test results require internet access. Reset a forgotten password by email or delete your account in Settings. This version is free. This version has no ads, subscriptions or in-app purchases. For independent study and reference. The app does not provide professional certification or replace formal training, equipment documentation, vessel procedures or safety requirements. Calculations and virtual instruments use the assumptions shown in the app. Support: support@powersystemlab.net
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Verdict
The clearest difference is update cadence: Power System Lab at daily against cMate Apps Конвенция плюс's every 12 months. cMate Apps Конвенция плюс's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ads and in-app purchases 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.
cMate Apps Конвенция плюс ships an update every 12 months, Power System Lab daily. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.
| Parameter | cMate Apps Конвенция плюс | Power System Lab |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 22.2% of reviews | — |
| Update frequency | Every 12 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 14 MB | 30 MB |
| Age rating | 4+ | 12+ |
| Developer | Maxim Lukyanenko | Serhii Zai |
In-app purchases
cMate Apps Конвенция плюс
No in-app purchases
Power System Lab
No in-app purchases
Questions
Is cMate Apps Конвенция плюс free?
Is Power System Lab free?
Do cMate Apps Конвенция плюс or Power System Lab have ads?
Which is updated more often, cMate Apps Конвенция плюс or Power System Lab?
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