Convex Programmer's Calculator vs PLC Simulator 2, Ladder Logic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Convex Programmer's Calculator
Convert numbers between hexadecimal, decimal, octal, and binary. Perform byte flips, bit shifts, and calculate two's complement. Features bit indicators and word grouping for improved binary readability.
- Number base conversion
- Two's complement calculation
- Byte flipping for endianness
- Left and right bit shifting
- Binary readability enhancements
- Copy, paste, and clear functionality
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Easily convert between hexadecimal, decimal, octal, and binary. Calculate the two's complement of any number. Flip a number's bytes to switch its endianness. Bit-shift left and right. Bit indicators and word grouping make binary easier to read. Tap the number to copy, paste, and clear. Swipe left or right on the number to backspace.
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 Convex Programmer's Calculator's every 8 months. PLC Simulator 2, Ladder Logic also leads on review sentiment (84% vs 67%) and ratings volume (121 vs 6). 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.
PLC Simulator 2, Ladder Logic holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: PLC Simulator 2, Ladder Logic has 121 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 67% of Convex Programmer's Calculator's written reviews are positive against 84% of PLC Simulator 2, Ladder Logic's.
Convex Programmer's Calculator ships an update every 8 months, PLC Simulator 2, Ladder Logic every 6 days. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.
| Parameter | Convex Programmer's Calculator | PLC Simulator 2, Ladder Logic |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (6 ratings) | 4.9 (121 ratings) — better |
| Positive reviews | 66.7% of reviews | 84.0% of reviews — better |
| Number of ratings | 6 | 121 — better |
| Update frequency | Every 8 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthew Daigle | David White |
Customer experience
Convex Programmer's Calculator
PLC Simulator 2, Ladder Logic
In-app purchases
Convex Programmer's Calculator
No in-app purchases
PLC Simulator 2, Ladder Logic
No in-app purchases
Questions
Is Convex Programmer's Calculator free?
Is PLC Simulator 2, Ladder Logic free?
Which has better reviews, Convex Programmer's Calculator or PLC Simulator 2, Ladder Logic?
Do Convex Programmer's Calculator or PLC Simulator 2, Ladder Logic have ads?
Which is updated more often, Convex Programmer's Calculator or PLC Simulator 2, Ladder Logic?
Other comparisons
