250+ iOS apps curated and reviewed
Out of 250+ pgr calculator apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.3★ (4) | No | No | May 2026 | |
| 2 |  | Free | 4.9★ (409K) | Yes | No | Sep 2026 | |
| 3 |  | Free | 4.3★ (332) | No | No | Sep 2026 | |
| 4 |  | Free | 4.7★ (61K) | No | No | Sep 2026 | |
| 5 |  | Free | 3.0★ (1) | No | No | May 2026 | |
| 6 |  | Free | 2.0★ (1) | Yes | No | Aug 2026 | |
| 7 |  | Free | — | No | Yes | Jun 2026 | |
| 8 |  | Free | 4.4★ (3.6K) | Yes | No | Sep 2026 |
This app simplifies the calculation of plant growth regulators (PGRs) for field applications. It helps users determine the correct rates for spray or drench applications based on desired dosage and area size, ensuring accurate product and solution amounts.
This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.
This app offers a powerful scientific calculator with a wide range of functions for trigonometry, statistics, and combinatorics. Users can define and evaluate their own functions, assign values to variables, and view multiple expressions simultaneously. It works offline and is completely free to use.
