PLC Simulator 2, Ladder Logic vs LightEarth BT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
LightEarth BT
Control and monitor your SUNT Series Hybrid Inverter remotely using your mobile device's Bluetooth. Set working modes and view operational data without needing a Wi-Fi network.
- Remote inverter control
- Bluetooth connectivity
- View operational data
- Set working modes
- No Wi-Fi required
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“LightEarth” APP is designed for acting as remote control of SUNT Series Hybrid Inverter This App uses the Bluetooth function of the mobile phone to communicate with the SUNT hybrid inverter, hence no WIFI network is required. With the access of a mobile phone, users will be able to use this App to set the desired working mode of the SUNT inverter and obtain the operation data of the SUNT inverter.
Screenshots
Verdict
The clearest difference is update cadence: PLC Simulator 2, Ladder Logic at every 6 days against LightEarth BT's every 6 weeks. PLC Simulator 2, Ladder Logic also leads on ratings volume (121 vs 2). LightEarth BT's advantage is iOS requirement (10.0 vs 15.0). On price, rating, 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.
On the App Store both sit at effectively the same score — 4.9 for PLC Simulator 2, Ladder Logic against 5.0 for LightEarth BT. That said, the two scores are not equally well evidenced: PLC Simulator 2, Ladder Logic has 121 ratings behind it against 2, so its average is the more settled of the two.
PLC Simulator 2, Ladder Logic ships an update every 6 days, LightEarth BT every 6 weeks. Both last shipped on November 3, 2026.
| Parameter | PLC Simulator 2, Ladder Logic | LightEarth BT |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (121 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 84.0% of reviews | — |
| Number of ratings | 121 — better | 2 |
| Update frequency | Every 6 days — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | David White | SUNSHINE TECHNOLOGY(CHINA) CO., LIMITED |
Customer experience
PLC Simulator 2, Ladder Logic
LightEarth BT
In-app purchases
PLC Simulator 2, Ladder Logic
No in-app purchases
LightEarth BT
No in-app purchases
Questions
Is PLC Simulator 2, Ladder Logic free?
Is LightEarth BT free?
Which has better reviews, PLC Simulator 2, Ladder Logic or LightEarth BT?
Do PLC Simulator 2, Ladder Logic or LightEarth BT have ads?
Which is updated more often, PLC Simulator 2, Ladder Logic or LightEarth BT?
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