# Electrodoc Pro vs 2017 Master Electrician Ref. The clearest difference is price: Electrodoc Pro at $4.99 against 2017 Master Electrician Ref.'s $9.99. Electrodoc Pro also leads on review sentiment (75% vs 67%). 2017 Master Electrician Ref.'s advantage is ratings volume (1.3K vs 65). On rating, update cadence, ads and in-app purchases there is nothing between them. Electrodoc Pro costs $4.99 and 2017 Master Electrician Ref. $9.99 up front. Neither carries in-app purchases, so what you see is what you pay. On the App Store both sit at effectively the same score — 4.6 for Electrodoc Pro against 4.7 for 2017 Master Electrician Ref.. That said, the two scores are not equally well evidenced: 2017 Master Electrician Ref. has 1.3K ratings behind it against 65, so its average is the more settled of the two. Written reviews are what separate them: 75% of Electrodoc Pro's written reviews are positive against 67% of 2017 Master Electrician Ref.'s. Electrodoc Pro ships an update every 3 months, 2017 Master Electrician Ref. every 5 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively. ## The numbers | Metric | Electrodoc Pro | 2017 Master Electrician Ref. | | --- | --- | --- | | Price | **$4.99** | $9.99 | | Rating | [4.6 (65 ratings)](https://appshunter.io/ios/app/electrodoc-pro/id1146647134/reviews) | **[4.7 (1.3K ratings)](https://appshunter.io/ios/app/2017-master-electrician-ref/id1275949959/reviews)** | | Number of ratings | 65 | **1.3K** | | Positive reviews | **75.4% of reviews** | 66.7% of reviews | | In-app purchases | No | No | | Ads | No | No | | Update frequency | **Every 3 months** | Every 5 months | | Monetization | **Free** | Paid | | Size | 25 MB | 46 MB | | Requires iOS | **11.0** | 12.0 | | Devices | iPhone, iPad, iPod | iPhone, iPad, iPod | | Age rating | 4+ | 12+ | | Developer | [IODEMA Srl](https://appshunter.io/developer/1146647133) | [PawEng, LLC](https://appshunter.io/developer/390058606) | ## What reviewers say ### Electrodoc Pro [App page](https://appshunter.io/ios/app/electrodoc-pro/id1146647134) This app is a comprehensive toolkit for electronics enthusiasts and professionals. It offers a wide range of calculators, reference tables, and pin-out diagrams for various electronic components and connectors. Simplify complex calculations and access essential information quickly. **Highlights:** Resistor color code lookup, Ohm's Law calculator, LED resistor calculator, NE555 timer calculator, Extensive port pin-out diagrams, Electronics reference tables **Features:** macOS Compatibility, Vision Pro support **In-app purchases:** none ### 2017 Master Electrician Ref. [App page](https://appshunter.io/ios/app/2017-master-electrician-ref/id1275949959) 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 ## Frequently asked questions ### Is Electrodoc Pro free? Electrodoc Pro costs $4.99, with no in-app purchases. ### Is 2017 Master Electrician Ref. free? 2017 Master Electrician Ref. costs $9.99, with no in-app purchases. ### Which has better reviews, Electrodoc Pro or 2017 Master Electrician Ref.? 2017 Master Electrician Ref. is rated higher. Electrodoc Pro averages 4.6 out of 5 from 65 ratings, while 2017 Master Electrician Ref. averages 4.7 from 1.3K ratings. ### Do Electrodoc Pro or 2017 Master Electrician Ref. have ads? Neither Electrodoc Pro nor 2017 Master Electrician Ref. shows ads. ### Which is updated more often, Electrodoc Pro or 2017 Master Electrician Ref.? Electrodoc Pro ships an update every 3 months, and 2017 Master Electrician Ref. every 5 months. Most recently, Electrodoc Pro was updated on October 26, 2026 and 2017 Master Electrician Ref. on October 24, 2026. --- *Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*