SCADA & PLC Academy vs GROL Prep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SCADA & PLC Academy
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SCADA & PLC Academy brings industrial automation learning together in three practical training modules for engineers, technicians and students. PLC PROGRAMMING Explore controller fundamentals, I/O, ladder logic and IEC 61131-3 programming. Practice with an interactive ladder simulator, code sandbox, projects, diagrams and quick references. SCADA DESIGN STUDIO Study SCADA architecture, HMI design, communication protocols, process control and industrial cybersecurity. Explore illustrated references, simulation labs, projects and assessments. SCADA ENGINEERING WORKFLOW Follow a 17-phase engineering workflow from requirements and design through testing, commissioning and handover. Explore power plant examples, engineering drawings, I/O and alarm builders, and a deliverables tracker. LEARN BY DOING • Practice troubleshooting and engineering decisions with interactive activities. • Explore signal scaling, ladder challenges, P&ID reading and alarm practice. • Browse illustrations and visual references, and save favorites for later. • Follow learning paths and review key concepts in the glossary. FLEXIBLE PURCHASING Purchase individual modules or unlock all three with the Complete Bundle.
GROL Prep
Prepare for your FCC General Radiotelephone Operator License exam with a focus on understanding core principles. This app offers detailed explanations, a built-in glossary, and an AI tutor to help you master radio law and theory.
- Focus on understanding, not memorization
- Detailed explanations for correct and incorrect answers
- Real-world application connections
- Built-in glossary of technical terms
- AI tutor for concept clarification
- Practice quizzes by topic
- Scoring against passing threshold
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GROL Prep helps you earn the FCC General Radiotelephone Operator License by preparing you for both written elements: Element 1, basic radio law and operating practice, and Element 3, general radiotelephone theory and technique. Most exam apps teach you to memorize answer letters. GROL Prep is built around understanding. Every question includes: PRINCIPLE. The underlying rule or concept the question is really testing, stated plainly before you dive into the details. WORKING THROUGH IT. Why the correct answer is right and why each distractor is wrong, including the tempting ones. GOING DEEPER. A connection to real world radio, maritime, and avionics work, so the knowledge sticks beyond test day. BUILT IN GLOSSARY. Roughly 700 technical terms are tappable right inside questions and explanations. See an unfamiliar term, tap it, get a plain language definition, and keep studying without losing your place. AI TUTOR. Stuck on a question? Ask the built in tutor. It knows the question you are looking at and explains the concept behind it, like having an instructor on call. PRACTICE YOUR WAY. Browse the question pools by topic, or run quiz sessions with scoring against the real 75 percent passing threshold so you always know where you stand. Question content is drawn from the official FCC Commercial Operator Element 1 and Element 3 question pools. Explanations and glossary definitions were written for this app and reference 47 CFR Part 13, Part 80, and Part 87 where applicable. Built by a USAF veteran, FAA A&P instructor, and credentialed CTE educator with a B.S. in Avionics. GROL Prep is a study aid. The General Radiotelephone Operator License is issued by the FCC, and exams are administered by FCC approved Commercial Operator License Examination Managers (COLEMs). The app does not guarantee exam passage.
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Verdict
The clearest difference is in-app purchases: GROL Prep at none against SCADA & PLC Academy's 4. GROL Prep also leads on iOS requirement (15.1 vs 17.0). On price, ads 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
Both are free to download. SCADA & PLC Academy sells 4 one-off in-app purchases. GROL Prep asks for nothing beyond the download.
| Parameter | SCADA & PLC Academy | GROL Prep |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 158 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuhsiu Lai | Mr Wolfe Aviation LLC |
In-app purchases
SCADA & PLC Academy
- PLC Programming Module$4.99
- SCADA Design Module$4.99
- SCADA Workflow Module$4.99
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- Complete Bundle$14.99
GROL Prep
No in-app purchases
Questions
Is SCADA & PLC Academy free?
Is GROL Prep free?
Do SCADA & PLC Academy or GROL Prep have ads?
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