# ElectroDz — ‏تعلم الكهرباء مع عثمان

> ‏تعلم الكهرباء مع عثمان (iPhone/iPad app by othman saadi.)

- Source: https://appshunter.io/ios/app/electrodz/id6752301246 (this page in markdown: same URL + `.md`)
- Developer: [othman saadi](https://appshunter.io/developer/1835031861)
- Category: Education, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 76 MB
- Languages: American English
- Released: 2025-09-24
- Data updated: 2026-07-18
- User reviews in markdown: https://appshunter.io/ios/app/electrodz/id6752301246/reviews.md

## What is ElectroDz?

Privacy-first: No data collection. Everything stays on device.
Electro DZ is a professional tool for electricians, engineers, and students. It streamlines electrical calculations and project documentation.
Key features:
Calculations: cable sizing (IEC, NFC 15-100, NIBT), voltage drop, protection, selectivity for breakers and RCDs, power/current
Selectivity: amperometric, chronometric (RCD delay), RCD types (AC, A, B, B+, F, EV), energetic (I²t)
Projects: photos, PDFs, folders, secure local storage
Interface: modern, multilingual (FR/AR/EN), dark/light, tablet-optimized
References: IEC 60364, NFC 15-100, NIBT, UTE C 15-105
Privacy:
No analytics, no ads, no account
100% local data


## Version history (last 4 releases)

### 1.1.7 — 2026-07-12

QUOTES
• Expanded KNX catalog
• Clearer quotes on white background (text, icons, buttons)
• Link quotes to projects / job sites

CALCULATIONS & PROTECTION
• Improved calculation formulas and UI
• Trip curves t(I): same tool as on electro-dz.com
• Clearer calculator navigation (grid / banner)
• More accurate copper resistance display

TRAINING & RESOURCES
• NF C 15-100 quiz (module-based revision)
• PDF library (standards and documents)
• Circuit simulation (Falstad)
• 2D wiring workshop for beginners
• Electrotechnics: full-size images / gallery

APP EXPERIENCE
• Screen rotation on iPhone and iPad
• Gold and Blue themes with better contrast
• General fixes and stability improvements

Thank you for using Electro DZ.

### 1.1.6 — 2025-11-12

Selectivity: full translations (French, Arabic, English)
Improved selectivity results layout (separate results per type)
Updated DDR type selectivity logic and messages
Removed obsolete “Calculation Details” footer
Fixed Cairo font red screen on startup
Minor UI polish and stability improvements

### 1.1 — 2025-09-28

fix project problem

### 1.0 — 2025-09-24

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-18.*