139+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our smith charts list covers 139+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $3.99 | 3.7★ (3) | No | No | Oct 2026 | |
| 2 |  | Free | — | No | No | Sep 2026 | |
| 3 |  | Free | 5.0★ (2) | No | No | May 2026 | |
| 4 |  | Free | — | No | Yes | Oct 2026 | |
| 5 |  | Free | 4.7★ (3.1K) | No | Yes | Oct 2026 | |
| 6 |  | Free | 4.3★ (2.1K) | No | Yes | Oct 2026 | |
| 7 |  | Free | 4.5★ (4.1K) | Yes | Yes | Oct 2026 | |
| 8 |  | Free | 4.7★ (14) | No | Yes | Oct 2026 |
Design matching networks, analyze device parameters, and compute stability circles with this interactive tool. Supports S parameters, various components, and offers advanced engineering features for RF design. Available in dark mode and exportable to PDF.
This app provides tools for calculating water and land measurements, along with essential information for water law and rights. It's designed for professionals in the western United States, particularly those dealing with Utah water law.
