PLC Simulator, PLC Trainer vs Mike Holt's Electrical Toolbox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PLC Simulator, PLC Trainer
Learn the fundamentals of Programmable Logic Controllers (PLCs) with an interactive simulator. Experiment with basic programming concepts, including timers, counters, and logic instructions. Save your progress and revisit projects anytime.
- Interactive PLC simulator
- Learn PLC basics
- Experiment with programming
- Save and load programs
- Understand logic circuits
- User-friendly interface
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This app is designed to help anyone that is new to PLCs and wants to learn the basics of "How a PLC works" and PLAY with a simple simulator to experiment with some simple programming. The app consist of three main sections, "How a PLC works", "PLC Block Diagram" and the PLC Simulator. The PLC Simulator allows the beginner to learn simple programming skills with 3 timers, 2 counters, 6 compare instructions, 2 Binary outputs and 3 RES outputs. The user interface is very friendly. For first time users, there is an information icon that shows just how easy this app is to program. The NEW SAVE feature allows a user to start a program and come back to it at a later time. This app also helps people better understand the exam-off instruction -[/]-, the "Seal-In" or "Latching" logic, such as a motor start/stop circuit and much more. Enjoy the fast growing world of PLCs. My daughter found it very useful for her Mechatronics class. Try it, you will like it.
Mike Holt's Electrical Toolbox
This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.
- Conductor sizing
- Voltage drop limitations
- Circuit protection sizing
- Race sizing
- Equipment grounding conductor sizing
- Dwelling-unit service calculations
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Mike Holt, the industry leader in the electrical industry (MikeHolt.com) has created an amazing, practical and useful app for the electrician, inspector, instructor, contractor and engineer. The app contains conductor sizing (including voltage drop limitations), circuit protection sizing, race sizing, equipment grounding conductor sizing for electric heating equipment (commercial and Residential), air-conditioning equipment (commercial and Residential), motors (commercial and Residential), Transformers (commercial) , and dwelling-unit service calculations and sizing.
Screenshots
Verdict
The clearest difference is rating: Mike Holt's Electrical Toolbox at 4.6 against PLC Simulator, PLC Trainer's 3.9. Mike Holt's Electrical Toolbox also leads on ratings volume (197 vs 59). On price, review sentiment, update cadence 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.
Mike Holt's Electrical Toolbox holds the better App Store score, 4.6 against 3.9. Both are backed by a comparable volume of ratings — 59 and 197 respectively. Written reviews point the same way: 75% of PLC Simulator, PLC Trainer's written reviews are positive against 77% of Mike Holt's Electrical Toolbox's.
PLC Simulator, PLC Trainer ships an update every 2 months, Mike Holt's Electrical Toolbox every 3 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.
| Parameter | PLC Simulator, PLC Trainer | Mike Holt's Electrical Toolbox |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (59 ratings) | 4.6 (197 ratings) — better |
| Positive reviews | 75.0% of reviews | 76.7% of reviews — better |
| Number of ratings | 59 | 197 — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 14.0 |
| Further details — not scored | ||
| Size | 15 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | David White | Mike Holt Enterprises |
Customer experience
PLC Simulator, PLC Trainer
Mike Holt's Electrical Toolbox
Bugs and requests
PLC Simulator, PLC Trainer
Not enough reviews yet to summarise bugs or requests.
Mike Holt's Electrical Toolbox
Reported bugs
4 issues- Cannot email results
- Video player widescreen exit bug
- Previous calculation data not erased
- App content is outdated
Requested features
6 requests- Increase transformer capacity to 225kva
- Add option to print load calc
- Update to NEC 2020
- Add completion system for video series
- Refine user interface for better usability
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- Add more features, willing to pay extra
In-app purchases
PLC Simulator, PLC Trainer
No in-app purchases
Mike Holt's Electrical Toolbox
No in-app purchases
Questions
Is PLC Simulator, PLC Trainer free?
Is Mike Holt's Electrical Toolbox free?
Which has better reviews, PLC Simulator, PLC Trainer or Mike Holt's Electrical Toolbox?
Do PLC Simulator, PLC Trainer or Mike Holt's Electrical Toolbox have ads?
Which is updated more often, PLC Simulator, PLC Trainer or Mike Holt's Electrical Toolbox?
Other comparisons
