# 2017 Master Electrician Ref. vs Electrician's Sidekick

The clearest difference is price: Electrician's Sidekick at Free against 2017 Master Electrician Ref.'s $9.99. 2017 Master Electrician Ref.'s advantage is rating (4.7 vs 3.6) and review sentiment (67% vs 33%). On update cadence, ads, in-app purchases and device support there is nothing between them.

Electrician's Sidekick is free to download; 2017 Master Electrician Ref. costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

2017 Master Electrician Ref. holds the better App Store score, 4.7 against 3.6. That said, the two scores are not equally well evidenced: 2017 Master Electrician Ref. has 1.3K ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 67% of 2017 Master Electrician Ref.'s written reviews are positive against 33% of Electrician's Sidekick's.

2017 Master Electrician Ref. ships an update every 5 months, Electrician's Sidekick every 4 months. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 2017 Master Electrician Ref. | Electrician's Sidekick |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.7 (1.3K ratings)](https://appshunter.io/ios/app/2017-master-electrician-ref/id1275949959/reviews)** | [3.6 (18 ratings)](https://appshunter.io/ios/app/electricians-sidekick/id1569068184/reviews) |
| Number of ratings | **1.3K** | 18 |
| Positive reviews | **66.7% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Paid | **Free** |
| Best chart rank | **#147** | — |
| Size | 46 MB | 52 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [PawEng, LLC](https://appshunter.io/developer/390058606) | [IDEAL INDUSTRIES, INC](https://appshunter.io/developer/783643492) |

## What reviewers say

### 2017 Master Electrician Ref.

[App page](https://appshunter.io/ios/app/2017-master-electrician-ref/id1275949959)

**Currently charting:** #147 Top Paid · Productivity (US App Store)

This digital handbook provides electricians and related professionals with essential electrical formulas, diagrams, and reference tables. It offers calculations, a dictionary of terms, and detailed information on wiring, motors, transformers, and more, all accessible on a mobile device.

**Highlights:** Electrical formulas and calculations, Wiring diagrams for various systems, Motor and transformer specifications, Conductor and ampacity tables, Dictionary of electrician terms, NEMA standards and diagrams, Math and conversion tools

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

**In-app purchases:** none

**What reviewers like**

- 👍 Quick reference
- 🚀 Best app for electrical information
- 🚀 Concise and well-laid out information
- 🚀 Comprehensive electrical references

**What reviewers complain about**

- 🐛 App needs to be updated
- 🐛 Inaccurate information in some areas
- 🐛 Limited functionality compared to expectations
- 🐛 Overlapping table of contents

**Reported bugs**

- Conduit fill information missing for certain types
- Login screen freezes
- Compatibility issues with older devices

**Requested features**

- Update to latest NEC code
- Add calculation tools for conduit fill and voltage drop
- Improve user interface and navigation


### Electrician's Sidekick

[App page](https://appshunter.io/ios/app/electricians-sidekick/id1569068184)

This free tool consolidates essential electrical calculations and reference guides into a single app. It offers precise tools for conduit bending, wire sizing, voltage drop, and conduit fill, designed to enhance fieldwork efficiency and accuracy for professionals. The app functions offline, ensuring constant access to critical information.

**Highlights:** Conduit bending calculator, Wire sizing and voltage drop calculator, Conduit fill calculator, Construction calculator (feet/inches), Electrical wiring color charts, Digital clinometer (level)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 2017 Master Electrician Ref. free?

2017 Master Electrician Ref. costs $9.99, with no in-app purchases.

### Is Electrician's Sidekick free?

Electrician's Sidekick is free to download, with no in-app purchases.

### Which has better reviews, 2017 Master Electrician Ref. or Electrician's Sidekick?

2017 Master Electrician Ref. is rated higher. 2017 Master Electrician Ref. averages 4.7 out of 5 from 1.3K ratings, while Electrician's Sidekick averages 3.6 from 18 ratings.

### Do 2017 Master Electrician Ref. or Electrician's Sidekick have ads?

Neither 2017 Master Electrician Ref. nor Electrician's Sidekick shows ads.

### Which is updated more often, 2017 Master Electrician Ref. or Electrician's Sidekick?

2017 Master Electrician Ref. ships an update every 5 months, and Electrician's Sidekick every 4 months. Most recently, 2017 Master Electrician Ref. was updated on November 3, 2026 and Electrician's Sidekick on October 24, 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.*