About
Quickly find wire colors and circuit phases for electrical panels. Offers free basic lookups and a Pro subscription for advanced features like saved panels, custom labeling, and PDF export.
What's New in TruePhase
1.0.1
July 14, 2026
TruePhase Pro is now a one-time purchase — buy once and unlock every Pro feature forever. No subscription, nothing recurring.
Subscription plans
TruePhase Pro
Three-phase systems, saved panels & export.
Developer apps
FAQ
What electrical systems does TruePhase support?
The free version of TruePhase supports 120/240 single-phase systems. The Pro subscription unlocks support for 120/240 high-leg delta, 120/208, and 277/480 three-phase systems.
How much does TruePhase Pro cost?
TruePhase Pro is available as a subscription with two options: $0.99 per month or $4.99 per year. Subscriptions automatically renew unless canceled at least 24 hours before the current period ends.
Can I save my panel information with TruePhase?
Yes, TruePhase Pro allows you to save panels with editable per-circuit load descriptions. You can also add 2-pole and 3-pole breaker labeling and save company contact information.
Does TruePhase have ads?
No, TruePhase does not contain advertisements. The app is free to use for basic lookups, with an optional subscription for Pro features.
What devices is TruePhase available on?
TruePhase is designed for iOS devices, including iPhone, iPad, and iPod. It is rated for ages 4 and up.
How often is TruePhase updated?
The app was last updated on July 14, 2026, with version 1.0.1. This indicates a recent update, suggesting ongoing development and support.
Can I share my panel data from TruePhase?
TruePhase Pro offers lookup-result copy/share functionality and saved-panel sharing. Additionally, you can export your panel schedule as a PDF or in CSV format.
Is an account required to use TruePhase?
No, TruePhase is a local-first application. No account or sign-in is required to use its features, ensuring quick access and privacy.