# i勤怠7 vs 電工アプリ

The clearest difference is price: i勤怠7 at Free against 電工アプリ's $4.99. i勤怠7 also leads on update cadence (fortnightly vs monthly) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

i勤怠7 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.

i勤怠7 ships an update fortnightly, 電工アプリ monthly. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | i勤怠7 | 電工アプリ |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | — | Paid |
| Size | 53 MB | 74 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ワンダフルフライ株式会社](https://appshunter.io/developer/1078093943) | [kohei morioka](https://appshunter.io/developer/1576628730) |

## What reviewers say

### i勤怠7

[App page](https://appshunter.io/ios/app/i7/id1619244283)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is i勤怠7 free?

i勤怠7 is free to download, with no in-app purchases.

### Is 電工アプリ free?

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

### Do i勤怠7 or 電工アプリ have ads?

Neither i勤怠7 nor 電工アプリ shows ads.

### Which is updated more often, i勤怠7 or 電工アプリ?

i勤怠7 ships an update fortnightly, and 電工アプリ monthly. Most recently, i勤怠7 was updated on October 9, 2026 and 電工アプリ on October 25, 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.*