# Electrical Formulator vs Electrical & Solar Calculator

The clearest difference is ads: Electrical Formulator at none against Electrical & Solar Calculator's shown. Electrical Formulator also leads on review sentiment (16% vs 0%). Electrical & Solar Calculator's advantage is update cadence (weekly vs every 2 months) and iOS requirement (15.0 vs 18.4). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Electrical Formulator sells 1 one-off in-app purchase and Electrical & Solar Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Electrical Formulator ships an update every 2 months, Electrical & Solar Calculator weekly. The most recent releases landed on September 3, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Electrical Formulator | Electrical & Solar Calculator |
| --- | --- | --- |
| 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** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 16 MB | 32 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## 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 & Solar Calculator

[App page](https://appshunter.io/ios/app/electrical-and-solar-calculator/id6743133160)

This app provides a suite of tools for electricians, engineers, and solar installers to quickly solve common electrical design and installation problems. It covers wire sizing, voltage drop, circuit breaker sizing, motor calculations, and solar system planning.

**Highlights:** Resistor, capacitor, and inductor circuit calculations, Wire sizing and voltage drop analysis, Circuit breaker and transformer sizing, Motor wiring and power factor correction, Solar system planning tools, Customizable units (metric/imperial)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro ID | $2.99 | one-time |


## Frequently asked questions

### Is Electrical Formulator free?

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

### Is Electrical & Solar Calculator free?

Electrical & Solar Calculator is free to download, with in-app purchases available.

### Do Electrical Formulator or Electrical & Solar Calculator have ads?

Electrical & Solar Calculator shows ads; Electrical Formulator does not.

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

Electrical Formulator ships an update every 2 months, and Electrical & Solar Calculator weekly. Most recently, Electrical Formulator was updated on September 3, 2026 and Electrical & Solar Calculator on September 9, 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.*