# Electrical Formulator vs Energy Cost Calculator

The clearest difference is review sentiment: Energy Cost Calculator at 62% against Electrical Formulator's 15%. Energy Cost Calculator also leads on in-app purchases (none vs 1) and ratings volume (66 vs 1). Electrical Formulator's advantage is rating (5.0 vs 4.4) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Electrical Formulator sells 1 one-off in-app purchase. Energy Cost Calculator asks for nothing beyond the download.

Electrical Formulator holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Energy Cost Calculator has 66 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 15% of Electrical Formulator's written reviews are positive against 62% of Energy Cost Calculator's, so the app with the better star average is not the one people write more warmly about.

Electrical Formulator ships an update every 2 months, Energy Cost Calculator every 8 months. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Electrical Formulator | Energy Cost Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/electrical-formulator/id299749412/reviews)** | [4.4 (66 ratings)](https://appshunter.io/ios/app/energy-cost-calculator/id531132387/reviews) |
| Number of ratings | 1 | **66** |
| Positive reviews | 15.2% of reviews | **61.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Freemium | **Ad-supported** |
| Size | 16 MB | 35 MB |
| Requires iOS | 18.4 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## 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 |


### Energy Cost Calculator

[App page](https://appshunter.io/ios/app/energy-cost-calculator/id531132387)

Easily calculate the energy consumption and operating costs of electrical devices. Track daily, monthly, and yearly usage, analyze costs, and estimate carbon emissions to optimize power usage and save money.

**Highlights:** Calculate energy consumption, Analyze operating costs, Estimate carbon emissions, Track daily, monthly, yearly usage, Calculate demand charges, Optimize power usage

**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 Energy Cost Calculator free?

Energy Cost Calculator is free to download, with no in-app purchases.

### Which has better reviews, Electrical Formulator or Energy Cost Calculator?

Electrical Formulator is rated higher. Electrical Formulator averages 5.0 out of 5 from 1 ratings, while Energy Cost Calculator averages 4.4 from 66 ratings.

### Do Electrical Formulator or Energy Cost Calculator have ads?

Energy Cost Calculator shows ads; Electrical Formulator does not.

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

Electrical Formulator ships an update every 2 months, and Energy Cost Calculator every 8 months. Most recently, Electrical Formulator was updated on October 23, 2026 and Energy Cost Calculator on October 28, 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.*