# Electrical Calculator lite vs CMC Swift

The clearest difference is in-app purchases: CMC Swift at none against Electrical Calculator lite's 2. CMC Swift also leads on ads (none vs shown) and rating (5.0 vs 4.6). Electrical Calculator lite's advantage is ratings volume (574 vs 1) and update cadence (every 5 weeks vs every 4 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. CMC Swift asks for nothing beyond the download.

CMC Swift holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Electrical Calculator lite has 574 ratings behind it against 1, so its average is the more settled of the two.

Electrical Calculator lite ships an update every 5 weeks, CMC Swift every 4 months. The most recent releases landed on September 18, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | Electrical Calculator lite | CMC Swift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (574 ratings)](https://appshunter.io/ios/app/electrical-calculator-lite/id922903696/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cmc-swift/id1498901607/reviews)** |
| Number of ratings | **574** | 1 |
| Positive reviews | 40.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 65 MB | 127 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [OMICRON electronics GmbH](https://appshunter.io/developer/1233298257) |

## 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


### CMC Swift

[App page](https://appshunter.io/ios/app/cmc-swift/id1498901607)

Control Omicron CMCs to output analog voltages and currents, feed in binary signals, or measure them. Perform wiring and control system checks, as well as trip tests for protective functions quickly and easily. It also facilitates polarity checks when used with a handheld CPOL device.

**Highlights:** Output analog voltages and currents, Feed in binary signals, Measure binary signals, Perform wiring and control system checks, Conduct trip tests for protective functions, Perform polarity checks with CPOL device

**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 CMC Swift free?

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

### Which has better reviews, Electrical Calculator lite or CMC Swift?

CMC Swift is rated higher. Electrical Calculator lite averages 4.6 out of 5 from 574 ratings, while CMC Swift averages 5.0 from 1 ratings.

### Do Electrical Calculator lite or CMC Swift have ads?

Electrical Calculator lite shows ads; CMC Swift does not.

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

Electrical Calculator lite ships an update every 5 weeks, and CMC Swift every 4 months. Most recently, Electrical Calculator lite was updated on September 18, 2026 and CMC Swift on July 5, 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.*