# Mobile Electrician vs PDF Master

The clearest difference is price: PDF Master at Free against Mobile Electrician's $4.99. PDF Master also leads on update cadence (every 9 days vs every 4 months). Mobile Electrician's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

PDF Master is free to download; Mobile Electrician costs $4.99 up front. PDF Master sells 1 one-off in-app purchase. Mobile Electrician asks for nothing beyond the download.

Mobile Electrician ships an update every 4 months, PDF Master every 9 days. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mobile Electrician | PDF Master |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/mobile-electrician/id1210782465/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 61.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Paid | — |
| Size | 27 MB | 6 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anatolij Tarasenko](https://appshunter.io/developer/1210782464) | [MUHITTIN KAYA](https://appshunter.io/developer/1864896335) |

## What reviewers say

### Mobile Electrician

[App page](https://appshunter.io/ios/app/mobile-electrician/id1210782465)

This app provides a comprehensive suite of electrical calculation tools for professionals and students. It covers a wide range of topics including Ohm's law, motor calculations, conductor sizing, and various standards. Access essential electrical data and perform complex computations quickly and accurately.

**Highlights:** Ohm's law calculations (DC/AC), Motor performance analysis, Conductor resistance and sizing, Capacitor and resistor calculations, Standard compliance tools (NEC, IEC, etc.), Unit conversions

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

**In-app purchases:** none


### PDF Master

[App page](https://appshunter.io/ios/app/pdf-master-pdf-tools/id6760625380)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDFMaster Pro | $0.99 | one-time |


## Frequently asked questions

### Is Mobile Electrician free?

Mobile Electrician costs $4.99, with no in-app purchases.

### Is PDF Master free?

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

### Do Mobile Electrician or PDF Master have ads?

PDF Master shows ads; Mobile Electrician does not.

### Which is updated more often, Mobile Electrician or PDF Master?

Mobile Electrician ships an update every 4 months, and PDF Master every 9 days. Most recently, Mobile Electrician was updated on November 11, 2026 and PDF Master 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.*