This utility app calculates the time constant and energy stored in a capacitor. It helps understand the time-delay characteristics of electrical circuits when a voltage is applied.






250+ iOS apps curated and reviewed
If you already know Capacitor Calculator, this is the deeper bench. 250+ capacitor calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | $2.99 | 3.8★ (4) | No | No | Jul 2026 | ||
| 2 | Free | 4.3★ (556) | Yes | Yes | Sep 2026 | ||
| 3 | Free | 4.6★ (574) | Yes | Yes | Sep 2026 | ||
| 4 | Free | — | Yes | No | Aug 2026 | ||
| 5 | Free | 4.8★ (10) | No | No | Aug 2026 | ||
| 6 | Free | 4.7★ (33) | Yes | No | Sep 2026 | ||
| 7 | Free | 5.0★ (1) | No | Yes | Sep 2026 | ||
| 8 | Free was $0.99 | — | No | Yes | Jul 2026 |






This utility app calculates the time constant and energy stored in a capacitor. It helps understand the time-delay characteristics of electrical circuits when a voltage is applied.





This app provides a comprehensive suite of tools and calculators for electronics engineers, students, and hobbyists. It includes numerous calculators for resistors, LEDs, capacitors, Ohm's law, and more, alongside useful tables and unit converters.






This comprehensive tool offers over 60 calculators and 16 converters for electrical engineering, wiring, and circuit analysis. It supports engineers, electricians, students, and hobbyists with calculations ranging from basic Ohm's Law to complex RLC circuits and power conversions.