# Electrical Calculator lite vs SmartPLC

The clearest difference is in-app purchases: SmartPLC at none against Electrical Calculator lite's 2. SmartPLC also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.6). Electrical Calculator lite's advantage is update cadence (every 5 weeks vs every 13 months). On price and device support there is nothing between them.

Both are free to download. Electrical Calculator lite sells 2 one-off in-app purchases. SmartPLC asks for nothing beyond the download.

Electrical Calculator lite ships an update every 5 weeks, SmartPLC every 13 months. The most recent releases landed on September 28, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Electrical Calculator lite | SmartPLC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (574 ratings)](https://appshunter.io/ios/app/electrical-calculator-lite/id922903696/reviews)** | — |
| Number of ratings | **574** | — |
| Positive reviews | 40.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 13 months |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 13 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Ingallina Roberto](https://appshunter.io/developer/1450251016) |

## What reviewers say

### Electrical Calculator lite

[App page](https://appshunter.io/ios/app/electrical-calculator-lite/id922903696)

This comprehensive tool offers over 60 calculators and 16 converters for electrical engineering, wiring, and circuit analysis. It supports engineers, electricians, students, and hobbyists with calculations ranging from basic Ohm's Law to complex RLC circuits and power conversions.

**Highlights:** 60+ Electrical Calculators, 16 Electrical Unit Converters, Ohm's Law Calculations, RLC Circuit Analysis, Power and Current Calculations, Transformer Calculations, Wire Size Selector

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 16 Electrical Converters | $0.99 | one-time |
| Electrical Calculators | $3.99 | one-time |

**What reviewers like**

- 👍 Very helpful formulas for homework
- 👍 Easy to use interface
- 👍 Comprehensive electricity app, a true Swiss Army knife
- 👍 Well-designed, intuitive, and aesthetic interface
- 👍 Great for work, very useful

**What reviewers complain about**

-  anúncios são muito irritantes
- 💰 Useful features are paywalled (RMS calculator, transformer calculator, MVA/current calculator)
- 💰 Costs too much
- 💰 Extremely basic calculators, rest require purchase
- 💰 Unlock option doesn't work

**Reported bugs**

- Unlock option doesn’t work
- Voltage drop calculator is incorrect compared to other apps

**Requested features**

- Output vs frequency sweep plotting for resonance points or impedance graphs for RL and RC circuits
- Add MHz option for capacitive and inductive reactance calculators
- Add MHz option for resonance frequency calculator


### SmartPLC

[App page](https://appshunter.io/ios/app/smartplc/id1450251017)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Calculator lite free?

Electrical Calculator lite is free to download, with in-app purchases available.

### Is SmartPLC free?

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

### Do Electrical Calculator lite or SmartPLC have ads?

Electrical Calculator lite shows ads; SmartPLC does not.

### Which is updated more often, Electrical Calculator lite or SmartPLC?

Electrical Calculator lite ships an update every 5 weeks, and SmartPLC every 13 months. Most recently, Electrical Calculator lite was updated on September 28, 2026 and SmartPLC on September 13, 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.*