244+ iOS apps & games curated and reviewed
If you already know Mike Holt's Electrical Toolbox, this is the deeper bench. 244+ transformers electrical apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (197) | No | No | Aug 2026 |
| 2 |  | $19.99 | 4.5★ (270) | No | No | Aug 2026 |
| 3 |  | $9.99 | 5.0★ (2) | No | No | Aug 2026 |
| 4 |  | $12.99 | 4.4★ (1.5K) | No | No | Aug 2026 |
| 5 |  | Free | — | No | No | Aug 2026 |
| 6 |  | Free | — | No | Yes | Jul 2026 |
| 7 |  | Free | — | No | Yes | May 2026 |
| 8 |  | Free | — | No | Yes | Jun 2026 |
This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.
This interactive simulator allows users to study and learn transformer connections. Test your wiring with various meters, and experience consequences of improper connections. Includes reference diagrams, informational material, and a quiz mode to test knowledge.
This app allows users to build and test transformer bank connections virtually. Users can wire components, set voltages, and instantly see the results, learning through hands-on experimentation without real-world consequences.
This app provides electricians and electrical professionals with up-to-date digital information based on the National Electrical Code. It includes formulas, wiring diagrams, conduit bending guides, and calculators for various electrical calculations. The app is designed for on-the-job reference and works offline.
Control your landscape lighting system wirelessly via Bluetooth. This app allows you to manage your lights, adjust schedules based on sunrise/sunset, and monitor power usage. It requires a compatible Alliance Intelligent Transformer.
Easily locate the specific Federal Pacific transformer you require. Includes integrated tools for calculating amps/kVA and selecting Buck-Boost transformers.
Easily discover, customize, and shop for electrical products designed for harsh and hazardous environments. Browse an extensive catalog, use smart search with competitor part numbers, and build custom products with a step-by-step configurator. Manage your shopping cart and email your selections for convenient ordering.