Last 30 days
Last 30 days
Avg per download
65 reviews
Last 30 days
Last 30 days
Avg rev. per download
65 reviews
Performance Insights
Competition level
Low competitionUnder 100K on both downloads and revenue — the kind of niche a small team can still take.
Tracked since
First seen November 2024 · 3 releases since
Lineman's Reference - URD is an iOS app ($9.99) by Digital Apprentice LLC in the mobile app category. It holds a 4.5-star rating.
- A paid app priced at $9.99.
- Ships new versions about one a week.
- Latest version is 1.0.03, released March 15, 2025.
- 84% of ratings are five-star.
- Available in 1 language.
- Strongest in US, CA.
- Downloads at 193.1 MB and requires iOS 12.1+.
- Rated 9+.
App details
- Version
- 1.0.03
- Release status
- Worldwide
- Age rating
- 9+
- Requires
- iOS 12.1+
- Size
- 193.1 MB
- Languages
- English
- Price
- $9.99
- First seen
- November 2024
- Top markets
- US, CA
- Publisher country
- US
- Support
- Visit support
Release history
3 versions tracked
- Version 1.0.03Latest
- Version 1.0.1
- Version 1.0.0
Ships about one a week.
What users say
- 5.0
Gameplay
I wish there were harder simulations. Including things like changing out three phase pads, single phase loops inside three phase loops, blown out elbows, bad bushings, and cubicles. I have found that I’ve done every quiz simulation there is. Cut cables in complicated loops that cross over each other would be a great example of a hard problem. Also if you could put the materials on the side of the transformers. It can be very hard to reach those at the bottom of the screen when using a phone with a case. Other than that this app is perfect for learning. I look forward to the update for secondaries and meter bases. I hope you include parallel services in meter bases!
Reviewed on version 1.0.03
- 5.0
Probably one of the most beneficial apps on my phone
I enjoy this app so much, it’s amazing to mess around with this and really challenge yourself. One thing I cannot wait for is the secondary to become available! I’d also like to ask when that’s looking to release?? I’ve been extremely excited to play it.
Reviewed on version 1.0.03
- 5.0
Great app!! Honest mistake on my end!
Bought the app, went straight into cable isolation where “the shotgun stick wasn’t working”. Not knowing that if I were to have just went through the tutorial I would have saved a lot of time! I emailed the owner and he helped me out in seconds!!! 1 - PICK UP SHOTGUN STICK WITH ONE FINGER 2 - DRAG THE SHOTGUN STICK TO WHAT EVER YOU HAVE TO PICK UP AND KEEP YOUR FINGER ON THE SCREEN 3 - USE ANOTHER FINGER TO PICK UP THE ITEM
Reviewed on version 1.0.03
About Lineman's Reference - URD
799 characters
Lineman's Reference - URD is the latest app from Digital Apprentice that will teach linemen and apprentices the basics of underground distribution systems.
Learn how to: - Isolate bad cable sections - Hipot cable sections - Isolate and change bad pad-mounted transformers - Troubleshoot underground outages - Switch Underground Distribution Loops
Primary Training Labs: - Fault Indicators - Cable Isolation - Hipotting - Transformer Isolation
Troubleshooting Labs (with optional quizzes): - Beginner (Single Phase) - Intermediate (Single Phase) - Advanced (Three Phase & Single Phase)
Devices Labs - Break down and inspect the components of URD equipment:
- Single Phase Padmount - Three Phase Padmount - Load-Break Elbows
Screenshots
9 iPhone screenshots
Lineman's Reference - URD iOS app is available. The app maintains a 4.5-star rating based on 65 user reviews, indicating strong user satisfaction in the mobile app market.
Lineman's Reference - URD iOS app competes actively in the mobile app category.
You can download Lineman's Reference - URD iOS app from the App Store for iOS devices, requiring iOS 12.1 or later. The app provides its core features without requiring in-app purchases.
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