# Electrical Calculator vs DATUM Lasers

The clearest difference is price: DATUM Lasers at Free against Electrical Calculator's $3.99. DATUM Lasers also leads on iOS requirement (9.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

DATUM Lasers is free to download; Electrical Calculator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Electrical Calculator | DATUM Lasers |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.6 (462 ratings)](https://appshunter.io/ios/app/electrical-calculator/id495478153/reviews)** | — |
| Number of ratings | **462** | — |
| Positive reviews | 53.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 18 MB | 19 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [国强 张](https://appshunter.io/developer/1151273698) |

## What reviewers say

### Electrical Calculator

[App page](https://appshunter.io/ios/app/electrical-calculator/id495478153)

This app provides over 65 essential electrical calculation tools and formulas for engineers, students, and professionals. It supports both USCS and SI units and includes features like resistor color code conversion and upgraded voltage drop calculations aligned with industry standards.

**Highlights:** Over 65 electrical calculation tools, Resistor color code calculators, Upgraded voltage drop calculations, Wire size calculations, Series/parallel circuit calculations, Energy cost calculator, Unit conversions

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great app, useful for years
- 👍 Good app
- 👍 Brilliant Program
- 👍 Essential shortcut for professionals
- 👍 Works great

**What reviewers complain about**

-  annoyance: popup advising update
- 💸 Paid for calculators, then asked for more
- 💸 Lost money
- 💸 Costs extra for full content
- 📏 No impedance calculators

**Reported bugs**

- Annoying popup for app update
- Converter not working
- App not working on older iPhone models

**Requested features**

- Include impedance calculators
- Improve metric region compatibility for AWG cables


### DATUM Lasers

[App page](https://appshunter.io/ios/app/datum-lasers/id6467349486)

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Calculator free?

Electrical Calculator costs $3.99, with no in-app purchases.

### Is DATUM Lasers free?

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

### Do Electrical Calculator or DATUM Lasers have ads?

Neither Electrical Calculator nor DATUM Lasers shows ads.

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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.*