# CircKit vs Guiomar Field Electrical Tools

The clearest difference is in-app purchases: Guiomar Field Electrical Tools at none against CircKit's 9. Guiomar Field Electrical Tools also leads on update cadence (every 2 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CircKit sells 9 in-app purchases, starting at $1.99 per month. Guiomar Field Electrical Tools asks for nothing beyond the download.

CircKit ships an update weekly, Guiomar Field Electrical Tools every 2 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CircKit | Guiomar Field Electrical Tools |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 19 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Sparky](https://appshunter.io/developer/1747077864) | [Carlos Pimenta](https://appshunter.io/developer/1868112350) |

## What reviewers say

### CircKit

[App page](https://appshunter.io/ios/app/circkit/id6612010334)

This app provides essential electrical calculations and reference tools for professionals, including motor sizing, voltage drop, and Canadian Electrical Code data. It features an AI assistant for quick answers and productivity tools like unit conversion and integrated notes.

**Highlights:** AI electrical assistant (Sparky), Motor and transformer sizing calculators, Voltage drop and arc flash calculations, Canadian Electrical Code reference library, Unit converter and fraction calculator, Integrated notes and project guidance

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $14.99 | per year |
| 14 Day Trial | Free | one-time |
| $1 Tip | $0.99 | one-time |
| $5 Tip | $4.99 | one-time |
| $10 Tip | $9.99 | one-time |
| $20 Tip | $19.99 | one-time |
| Discounted Lifetime | $22.99 | one-time |
| Lifetime Access | $39.99 | one-time |


### Guiomar Field Electrical Tools

[App page](https://appshunter.io/ios/app/guiomar-field-electrical-tools/id6757681183)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CircKit free?

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

### Is Guiomar Field Electrical Tools free?

Guiomar Field Electrical Tools is free to download, with no in-app purchases.

### Do CircKit or Guiomar Field Electrical Tools have ads?

Neither CircKit nor Guiomar Field Electrical Tools shows ads.

### Which is updated more often, CircKit or Guiomar Field Electrical Tools?

CircKit ships an update weekly, and Guiomar Field Electrical Tools every 2 days. Most recently, CircKit was updated on November 4, 2026 and Guiomar Field Electrical Tools on November 5, 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.*