# NerdCalc vs PLC Simulator, PLC Trainer

The clearest difference is rating: NerdCalc at 4.8 against PLC Simulator, PLC Trainer's 3.9. NerdCalc also leads on review sentiment (85% vs 75%) and ratings volume (183 vs 59). PLC Simulator, PLC Trainer's advantage is update cadence (every 2 months vs every 19 months) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NerdCalc holds the better App Store score, 4.8 against 3.9. Both are backed by a comparable volume of ratings — 183 and 59 respectively. Written reviews point the same way: 85% of NerdCalc's written reviews are positive against 75% of PLC Simulator, PLC Trainer's.

NerdCalc ships an update every 19 months, PLC Simulator, PLC Trainer every 2 months. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | NerdCalc | PLC Simulator, PLC Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (183 ratings)](https://appshunter.io/ios/app/nerdcalc/id432781819/reviews)** | [3.9 (59 ratings)](https://appshunter.io/ios/app/plc-simulator-plc-trainer/id1326500777/reviews) |
| Number of ratings | **183** | 59 |
| Positive reviews | **84.8% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 0 MB | 15 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nidal Fakhouri](https://appshunter.io/developer/432780820) | [David White](https://appshunter.io/developer/911163945) |

## What reviewers say

### NerdCalc

[App page](https://appshunter.io/ios/app/nerdcalc/id432781819)

Perform calculations across binary, hexadecimal, and decimal number bases simultaneously. Easily switch input modes and see results update instantly for all bases. Supports unsigned and 2's complement for negative numbers, along with arithmetic, logic, and bitwise operations.

**Highlights:** Simultaneous base display, Switchable input modes, Unsigned and 2's complement support, Arithmetic operations, Logic operations, Bitwise shifting

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### PLC Simulator, PLC Trainer

[App page](https://appshunter.io/ios/app/plc-simulator-plc-trainer/id1326500777)

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.

**Highlights:** Interactive PLC simulator, Learn PLC basics, Experiment with programming, Save and load programs, Understand logic circuits, User-friendly interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NerdCalc free?

NerdCalc is free to download, with no in-app purchases.

### Is PLC Simulator, PLC Trainer free?

PLC Simulator, PLC Trainer is free to download, with no in-app purchases.

### Which has better reviews, NerdCalc or PLC Simulator, PLC Trainer?

NerdCalc is rated higher. NerdCalc averages 4.8 out of 5 from 183 ratings, while PLC Simulator, PLC Trainer averages 3.9 from 59 ratings.

### Do NerdCalc or PLC Simulator, PLC Trainer have ads?

Neither NerdCalc nor PLC Simulator, PLC Trainer shows ads.

### Which is updated more often, NerdCalc or PLC Simulator, PLC Trainer?

NerdCalc ships an update every 19 months, and PLC Simulator, PLC Trainer every 2 months. Most recently, NerdCalc was updated on October 19, 2026 and PLC Simulator, PLC Trainer on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*