OPTICHECK Level Mobile vs PLC Simulator 2, Ladder Logic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OPTICHECK Level Mobile
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Mobile app for wireless device commissioning, verification and monitoring of KROHNE OPTIWAVE devices. OPTICHECK Level Mobile is part of myDevice, KROHNE’s new suite of Smart Service Tools. OPTICHECK Level Mobile features: • Wireless commissioning and device parametrisation via secure Bluetooth® connection • Verification without measurement interruption • Monitoring of meter performance and application parameters OPTICHECK Level Mobile works with the new OPTIWAVE radars from KROHNE.
PLC Simulator 2, Ladder Logic
This application enables students and professionals to test and explore basic PLC programming using ladder logic on their mobile devices. It supports various instructions, configurable rungs, and includes interactive animations for a hands-on learning experience. Save and modify up to 20 programs, with preloaded examples to aid understanding.
- Configurable rungs
- Input/Output descriptions
- Ladder logic simulation
- Save up to 20 programs
- Interactive animations
- Preloaded example programs
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This app allows PLC students (Electricians, apprentices and college students) to test their small homework assignments using their phone and explore basic PLC programming. It has input instructions, outputs, timers, counters, latches, unlatches and compare blocks, each rung is FULLY configurable with 6 instruction long and 4 instructions deep. Features include: - Three Interactive animations. - Includes the code to run animation 3, "Bottling Plant". - Input and Output descriptions. - Rung descriptions. - 25 programmable rungs. - Simple to construct and run PLC ladder logic. - Save up to 40 programs. - Includes 5 preloaded example programs that can be modified to see the affects of the changes. - It’s FREE with NO ADVERTISEMENTS. --- (Makes it a great learning tool for instructors to help their students to learn ladder logic.) --- Give it a try, I think you will like it.
Screenshots
Verdict
The clearest difference is update cadence: PLC Simulator 2, Ladder Logic at every 6 days against OPTICHECK Level Mobile's every 3 months. OPTICHECK Level Mobile's advantage is iOS requirement (11.0 vs 15.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OPTICHECK Level Mobile ships an update every 3 months, PLC Simulator 2, Ladder Logic every 6 days. The most recent releases landed on October 4, 2026 and October 20, 2026 respectively.
| Parameter | OPTICHECK Level Mobile | PLC Simulator 2, Ladder Logic |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.9 (121 ratings) — better |
| Positive reviews | — | 84.0% of reviews |
| Number of ratings | — | 121 — better |
| Update frequency | Every 3 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 242 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | KROHNE Messtechnik GmbH | David White |
In-app purchases
OPTICHECK Level Mobile
No in-app purchases
PLC Simulator 2, Ladder Logic
No in-app purchases
Questions
Is OPTICHECK Level Mobile free?
Is PLC Simulator 2, Ladder Logic free?
Do OPTICHECK Level Mobile or PLC Simulator 2, Ladder Logic have ads?
Which is updated more often, OPTICHECK Level Mobile or PLC Simulator 2, Ladder Logic?
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