# Breaker Box vs CircKit

The clearest difference is monetization model: Breaker Box at free with in-app purchases against CircKit's paid. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Breaker Box sells 1 one-off in-app purchase and CircKit sells 9 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Breaker Box ships an update every 10 days, CircKit weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Breaker Box | CircKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (107 ratings)](https://appshunter.io/ios/app/breaker-box-panel-directory/id1459288663/reviews)** | — |
| Number of ratings | **107** | — |
| Positive reviews | 77.8% of reviews | **78.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 60 MB | 50 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brett Pappas](https://appshunter.io/developer/1435218098) | [The Sparky](https://appshunter.io/developer/1747077864) |

## What reviewers say

### Breaker Box

[App page](https://appshunter.io/ios/app/breaker-box-panel-directory/id1459288663)

Easily create custom electrical panel legends. Label phases with colors, tandem breakers, and 3-pole breakers. Print legends in exact sizes for sleeves or door taping.

**Highlights:** Create custom panel legends, Label phases with color, Support for tandem breakers, Support for 3-pole breakers, Print legends in exact sizes, Print for sleeves or door taping

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro License | $9.99 | one-time |


### CircKit

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

This app provides essential electrical calculations and reference tools for electricians, contractors, and engineers. It offers advanced calculators for motor sizing, voltage drop, and more, alongside a professional reference library and built-in productivity tools.

**Highlights:** Motor sizing and protection calculators, Voltage drop calculator, Transformer sizing, Pipe and box fill calculators, Professional reference library, Integrated notes app, Unit converter

**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 |


## Frequently asked questions

### Is Breaker Box free?

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

### Is CircKit free?

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

### Do Breaker Box or CircKit have ads?

Neither Breaker Box nor CircKit shows ads.

### Which is updated more often, Breaker Box or CircKit?

Breaker Box ships an update every 10 days, and CircKit weekly. Most recently, Breaker Box was updated on October 23, 2026 and CircKit on October 24, 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.*