---
title: "Lineman's Reference - XFMR LAB — App Overview"
url: https://marlvel.ai/intel-report/education/digitalapprentice-xfmr
category: Education
developer: Digital Apprentice LLC
platforms: ios, android
rating: 4.1 (127 ratings)
pricing: paid
report_level: overview
generated: 2026-04-19
last_verified: "2026-04-19T16:16:35.376Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While highly valued for its practical simulation of transformer banks, users report a need for more flexibility in custom bank building and support for diverse transformer types.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Education |
| Rating | 4.1 ★ (127) |
| Pricing | paid |
| Platforms | iOS, Android |
| Latest Version (iOS) | 1.3.02 |
| Latest Version (Android) | 1.3.00 |
| Developer | Digital Apprentice LLC |

<!-- SECTION: Summary -->
## What is Lineman's Reference - XFMR LAB?

Lineman's Reference - XFMR LAB is a specialized transformer simulator designed for journeyman linemen and apprentices to practice electrical connections. The app provides a virtual environment where users can test configurations using digital meters, with realistic consequences for improper wiring such as blown fuses or abnormal voltages.

<!-- SECTION: Key Features -->
## Key Features

- **Transformer Lab Simulator**: Allows users to build and test single and three-phase transformer connections using virtual volt, ohm, and rotation meters.
- **Interactive Troubleshooting**: Simulates real-world electrical faults, including cutout fuse failures and abnormal voltage readings, based on user connection accuracy.
- **Reference Library**: Provides access to transformer nameplate data, secondary coil inspections, and quick-reference diagrams for various bank types.
- **Quiz Mode**: Includes a dedicated testing module to evaluate user knowledge of transformer configurations.
- **Company Customization**: Offers a B2B service to modify the application to match specific power company technical standards.

<!-- SECTION: Target Audience -->
## Who is it for?

Professional linemen and electrical apprentices seeking to master transformer bank configurations.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/linemans-reference-xfmr-lab/id1583878194?uo=2)
- [Google Play](https://play.google.com/store/apps/details?id=digitalapprentice.xfmr&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/education/digitalapprentice-xfmr)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/education/digitalapprentice-xfmr).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*