250+ iOS apps curated and reviewed
Finding the right wattage calculator apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | No | No | Aug 2026 | |
| 2 |  | $0.99 was $1.99 | — | No | No | May 2026 | |
| 3 |  | Free | 4.7★ (1.3K) | Yes | Yes | Sep 2026 | |
| 4 |  | $1.99 | 4.7★ (3) | No | No | Aug 2026 | |
| 5 |  | Free | 4.6★ (1.5K) | No | No | Sep 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | $2.99 | 3.0★ (1) | No | No | May 2026 |
Easily calculate electrical power, amperage, or voltage. This tool simplifies electrical calculations for users needing to find one value when the other two are known.
This app provides a comprehensive suite of electrical calculations, including Ohm's Law, voltage drop, wire sizing, and impedance. It also offers numerous converters for various electrical units and parameters, aiding in circuit design and analysis.
