# Electrical Wiring Cal vs EgressProtocol

The clearest difference is update cadence: EgressProtocol at weekly against Electrical Wiring Cal's every 3 months. EgressProtocol also leads on iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Electrical Wiring Cal ships an update every 3 months, EgressProtocol weekly. The most recent releases landed on October 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Electrical Wiring Cal | EgressProtocol |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 13 MB | 65 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [明颖 洪](https://appshunter.io/developer/1854332150) | [云 陈](https://appshunter.io/developer/1893509359) |

## What reviewers say

### Electrical Wiring Cal

[App page](https://appshunter.io/ios/app/electrical-wiring-cal/id6756774261)

**Features:** macOS Compatibility

**In-app purchases:** none


### EgressProtocol

[App page](https://appshunter.io/ios/app/egressprotocol/id6766823207)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Wiring Cal free?

Electrical Wiring Cal is free to download, with no in-app purchases.

### Is EgressProtocol free?

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

### Do Electrical Wiring Cal or EgressProtocol have ads?

Neither Electrical Wiring Cal nor EgressProtocol shows ads.

### Which is updated more often, Electrical Wiring Cal or EgressProtocol?

Electrical Wiring Cal ships an update every 3 months, and EgressProtocol weekly. Most recently, Electrical Wiring Cal was updated on October 9, 2026 and EgressProtocol on October 31, 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.*