# 電工アプリ vs JZ Draft AI

The clearest difference is price: JZ Draft AI at Free against 電工アプリ's $4.99. JZ Draft AI also leads on update cadence (daily vs monthly). 電工アプリ's advantage is iOS requirement (16.4 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

JZ Draft AI is free to download; 電工アプリ costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

電工アプリ ships an update monthly, JZ Draft AI daily. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 電工アプリ | JZ Draft AI |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Paid | — |
| Size | 74 MB | 74 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [kohei morioka](https://appshunter.io/developer/1576628730) | [mikiya tsuji](https://appshunter.io/developer/6789129637) |

## What reviewers say

### 電工アプリ

[App page](https://appshunter.io/ios/app/id6748276067)

This app streamlines electrical work by providing essential calculations and selections in one place. It covers voltage drop, cable current capacity, motor ratings, and component sizing, designed for efficiency on the job.

**Highlights:** Voltage drop calculation, Cable allowable current and outer diameter, Motor rated current calculation, Control equipment selection, Conduit and ground wire sizing, Cable tray width selection

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

**In-app purchases:** none


### JZ Draft AI

[App page](https://appshunter.io/ios/app/jz-draft-ai/id6801720910)

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

**In-app purchases:** none


## Frequently asked questions

### Is 電工アプリ free?

電工アプリ costs $4.99, with no in-app purchases.

### Is JZ Draft AI free?

JZ Draft AI is free to download, with no in-app purchases.

### Do 電工アプリ or JZ Draft AI have ads?

Neither 電工アプリ nor JZ Draft AI shows ads.

### Which is updated more often, 電工アプリ or JZ Draft AI?

電工アプリ ships an update monthly, and JZ Draft AI daily. Most recently, 電工アプリ was updated on October 30, 2026 and JZ Draft AI 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.*