250+ iOS apps curated and reviewed
Every iPhone needs a few good voltage lab apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | Yes | May 2026 | |
| 2 |  | Free | 5.0★ (353) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.6★ (1.5K) | No | No | Sep 2026 | |
| 4 |  | $5.99 | 3.0★ (2) | No | No | Aug 2026 | |
| 5 |  | Free | — | No | Yes | Aug 2026 | |
| 6 |  | Free | — | No | No | Aug 2026 | |
| 7 |  | Free | — | No | Yes | Aug 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
This app simplifies learning electricity through interactive lessons and visual experiments. It offers offline access, quizzes with detailed solutions, and a reference guide for formulas. Ideal for students and educators seeking to understand electrical concepts.
Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.
