# Electrical Formulator vs Electrical Tools & Reference

The clearest difference is update cadence: Electrical Tools & Reference at every 3 weeks against Electrical Formulator's every 2 months. Electrical Tools & Reference also leads on iOS requirement (12.0 vs 18.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Electrical Formulator sells 1 one-off in-app purchase and Electrical Tools & Reference sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Electrical Formulator ships an update every 2 months, Electrical Tools & Reference every 3 weeks. The most recent releases landed on September 3, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Electrical Formulator | Electrical Tools & Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/electrical-formulator/id299749412/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 16.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 16 MB | 88 MB |
| Requires iOS | 18.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) |

## 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 Tools & Reference

[App page](https://appshunter.io/ios/app/electrical-tools-and-reference/id6746714702)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Lifetime Premium | $3.99 | one-time |


## Frequently asked questions

### Is Electrical Formulator free?

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

### Is Electrical Tools & Reference free?

Electrical Tools & Reference is free to download, with in-app purchases available.

### Do Electrical Formulator or Electrical Tools & Reference have ads?

Neither Electrical Formulator nor Electrical Tools & Reference shows ads.

### Which is updated more often, Electrical Formulator or Electrical Tools & Reference?

Electrical Formulator ships an update every 2 months, and Electrical Tools & Reference every 3 weeks. Most recently, Electrical Formulator was updated on September 3, 2026 and Electrical Tools & Reference on September 18, 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.*