248+ iOS apps curated and reviewed
iSlipstick is the household name in islipstick, but it's far from the only option. We track 248+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (3) | No | No | Aug 2026 | |
| 2 |  | Free was $1.99 | 4.7★ (3) | No | No | Aug 2026 | |
| 3 |  | Free | 4.7★ (61K) | No | No | Sep 2026 | |
| 4 |  | Free | 4.9★ (409K) | Yes | No | Sep 2026 | |
| 5 |  | Free | 4.6★ (215K) | No | Yes | Sep 2026 | |
| 6 |  | $1.99 | 4.7★ (899) | No | Yes | Sep 2026 | |
| 7 |  | Free | 4.6★ (151) | Yes | Yes | Sep 2026 | |
| 8 |  | Free | 4.7★ (48K) | Yes | No | Sep 2026 |
This app provides a suite of essential electronic formula calculators and unit converters. It simplifies complex calculations for Ohm's law, LC circuits, impedance, and more, with a user-friendly interface for quick input and reordering of frequently used tools.
This app provides a comprehensive suite of calculators and converters specifically designed for radio frequency (RF) engineers and technicians. It includes tools for path loss, antenna gain, intermodulation, and standard electrical calculations, along with various unit conversions.
This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.
