# Electric Toolkit vs A2io

The clearest difference is price: A2io at Free against Electric Toolkit's $5.99. A2io also leads on iOS requirement (12.0 vs 15.6). Electric Toolkit's advantage is update cadence (every 9 months vs every 43 months). On ads, in-app purchases and device support there is nothing between them.

A2io is free to download; Electric Toolkit costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Electric Toolkit ships an update every 9 months, A2io every 43 months. The most recent releases landed on October 22, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Electric Toolkit | A2io |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.8 (290 ratings)](https://appshunter.io/ios/app/electric-toolkit-calculator/id516862639/reviews)** | — |
| Number of ratings | **290** | — |
| Positive reviews | 45.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 43 months |
| Monetization | Free | — |
| Size | 25 MB | 35 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cyberprodigy LLC](https://appshunter.io/developer/510284906) | [Aaron Reid](https://appshunter.io/developer/1535274665) |

## What reviewers say

### Electric Toolkit

[App page](https://appshunter.io/ios/app/electric-toolkit-calculator/id516862639)

This app provides a comprehensive collection of electrical wiring diagrams and calculators for home projects. It includes various switch and fan wiring configurations, outlet diagrams, and essential calculators for grounding, circuit breakers, and voltage drop, adhering to NEC standards.

**Highlights:** 3-way switch wiring diagrams, Ceiling fan wiring diagrams, GFCI wiring diagrams, Grounding conductor size calculator, Ohms Law calculator, Circuit breaker sizing calculator, Voltage drop calculator, Audio/Video cable pinouts

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly interface
- 💡 Excellent diagrams and schematics
- ✅ Easy to understand pin connections
- 💰 Good value for money (for some)
- 🛠️ Helpful for DIYers and electricians

**What reviewers complain about**

- 📉 Limited content/diagrams
- 💸 Overpriced for basic info
- 🌐 Primarily for USA market
- 🤷 Not enough detail
- 🗑️ Found online for free

**Reported bugs**

- Voltage drop calculator stopped working
- Calculators have non-functional features (delete key, zero, decimal point)
- Incorrect label for 'Circuit Length' in voltage drop calculator

**Requested features**

- More diagrams and schematics
- Ability to create wiring diagrams
- Option to pick installation and auto-layout wiring
- More info about house wiring and residential electrical wiring
- Ability to make printouts


### A2io

[App page](https://appshunter.io/ios/app/a2io/id1535274663)

**In-app purchases:** none


## Frequently asked questions

### Is Electric Toolkit free?

Electric Toolkit costs $5.99, with no in-app purchases.

### Is A2io free?

A2io is free to download, with no in-app purchases.

### Do Electric Toolkit or A2io have ads?

Neither Electric Toolkit nor A2io shows ads.

### Which is updated more often, Electric Toolkit or A2io?

Electric Toolkit ships an update every 9 months, and A2io every 43 months. Most recently, Electric Toolkit was updated on October 22, 2026 and A2io on October 10, 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.*