# 2017 Master Electrician Ref. vs MTRList

The clearest difference is price: MTRList at Free against 2017 Master Electrician Ref.'s $9.99. MTRList also leads on review sentiment (100% vs 67%) and update cadence (every 5 days vs every 5 months). 2017 Master Electrician Ref.'s advantage is in-app purchases (none vs 1) and ratings volume (1.3K vs 12). On ads and device support there is nothing between them.

MTRList is free to download; 2017 Master Electrician Ref. costs $9.99 up front. MTRList sells 1 one-off in-app purchase. 2017 Master Electrician Ref. asks for nothing beyond the download.

2017 Master Electrician Ref. holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: 2017 Master Electrician Ref. has 1.3K ratings behind it against 12, so its average is the more settled of the two. Written reviews complicate that: 67% of 2017 Master Electrician Ref.'s written reviews are positive against 100% of MTRList's, so the app with the better star average is not the one people write more warmly about.

2017 Master Electrician Ref. ships an update every 5 months, MTRList every 5 days. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 2017 Master Electrician Ref. | MTRList |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.7 (1.3K ratings)](https://appshunter.io/ios/app/2017-master-electrician-ref/id1275949959/reviews)** | [4.5 (12 ratings)](https://appshunter.io/ios/app/mtrlist/id1515023239/reviews) |
| Number of ratings | **1.3K** | 12 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Monetization | Paid | **Free** |
| Best chart rank | **#197** | — |
| Size | 46 MB | 22 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [PawEng, LLC](https://appshunter.io/developer/390058606) | [Bret Hardman](https://appshunter.io/developer/788803580) |

## What reviewers say

### 2017 Master Electrician Ref.

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

**Currently charting:** #197 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


### MTRList

[App page](https://appshunter.io/ios/app/mtrlist/id1515023239)

Create and manage material order lists for your job. Easily add items, edit quantities, and rearrange your list. Send your completed order to your sales representative, shop, or boss via text or email.

**Highlights:** Add items to order list, Edit item quantity and unit, Rearrange list items, Send list via text or email, Simple and intuitive interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | one-time |


## Frequently asked questions

### Is 2017 Master Electrician Ref. free?

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

### Is MTRList free?

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

### Which has better reviews, 2017 Master Electrician Ref. or MTRList?

2017 Master Electrician Ref. is rated higher. 2017 Master Electrician Ref. averages 4.7 out of 5 from 1.3K ratings, while MTRList averages 4.5 from 12 ratings.

### Do 2017 Master Electrician Ref. or MTRList have ads?

Neither 2017 Master Electrician Ref. nor MTRList shows ads.

### Which is updated more often, 2017 Master Electrician Ref. or MTRList?

2017 Master Electrician Ref. ships an update every 5 months, and MTRList every 5 days. Most recently, 2017 Master Electrician Ref. was updated on October 14, 2026 and MTRList on October 10, 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.*