# Electrical Formulator vs Electrical Motor Calculator

The clearest difference is price: Electrical Formulator at Free against Electrical Motor Calculator's $2.99. Electrical Formulator also leads on rating (5.0 vs 3.8) and update cadence (every 2 months vs every 43 months). Electrical Motor Calculator's advantage is in-app purchases (none vs 1) and chart position (#120 vs unranked). On ads and device support there is nothing between them.

Electrical Formulator is free to download; Electrical Motor Calculator costs $2.99 up front. Electrical Formulator sells 1 one-off in-app purchase. Electrical Motor Calculator asks for nothing beyond the download.

Electrical Formulator holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Electrical Motor Calculator has 8 ratings behind it against 1, so its average is the more settled of the two.

Electrical Formulator ships an update every 2 months, Electrical Motor Calculator every 43 months. The most recent releases landed on September 3, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Electrical Formulator | Electrical Motor Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/electrical-formulator/id299749412/reviews)** | [3.8 (8 ratings)](https://appshunter.io/ios/app/electrical-motor-calculator/id1635906150/reviews) |
| Number of ratings | 1 | **8** |
| Positive reviews | 16.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 43 months |
| Monetization | **Freemium** | Paid |
| Best chart rank | — | **#120** |
| Size | 16 MB | 1 MB |
| Requires iOS | 18.4 | **13** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Electrical Formulator

[App page](https://appshunter.io/ios/app/electrical-formulator/id299749412)

This app provides a comprehensive suite of electrical calculation tools for design and engineering challenges. It offers hundreds of conversion and calculation options, with features to save, print, and email results. Easily access frequently used and recently accessed formulas, with all calculations automatically stored.

**Highlights:** Over 100 electrical formulas, Save and organize results, Share results via email or print, Access most-used and recent formulas, Supports US/Imperial and metric units, Formula categories for batteries, motors, transformers, and more

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features For Electrcial | $1.99 | one-time |


### Electrical Motor Calculator

[App page](https://appshunter.io/ios/app/electrical-motor-calculator/id1635906150)

**Currently charting:** #120 Top Paid · Productivity (US App Store)

This engineering tool calculates key electrical motor characteristics like amps, horsepower, and kVa. Input system voltage, motor efficiency, and power factor to determine electrical values for your system.

**Highlights:** Calculate amps, horsepower, and kVa, Input system voltage and motor efficiency, Converts kilowatts to horsepower, Defines Power Factor (PF) and Full Load Amps (FLA), Calculates Running Load Amps (RLA)

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

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Formulator free?

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

### Is Electrical Motor Calculator free?

Electrical Motor Calculator costs $2.99, with no in-app purchases.

### Which has better reviews, Electrical Formulator or Electrical Motor Calculator?

Electrical Formulator is rated higher. Electrical Formulator averages 5.0 out of 5 from 1 ratings, while Electrical Motor Calculator averages 3.8 from 8 ratings.

### Do Electrical Formulator or Electrical Motor Calculator have ads?

Neither Electrical Formulator nor Electrical Motor Calculator shows ads.

### Which is updated more often, Electrical Formulator or Electrical Motor Calculator?

Electrical Formulator ships an update every 2 months, and Electrical Motor Calculator every 43 months. Most recently, Electrical Formulator was updated on September 3, 2026 and Electrical Motor Calculator on September 21, 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.*