250+ iOS apps curated and reviewed
The best ag phd soils apps on iPhone average 3.4★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 1.6★ (13) | No | No | May 2026 | |
| 2 |  | Free | 3.3★ (26) | No | No | Aug 2026 | |
| 3 |  | Free | 4.0★ (4) | No | No | May 2026 | |
| 4 |  | Free | — | No | No | May 2026 | |
| 5 |  | Free | 3.0★ (2) | Yes | No | May 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | — | No | No | Jul 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
This app streamlines soil sampling with an easy step process, providing fast lab results and personalized recommendations from experts. It offers aerial imagery maps and unlimited access to precision ag specialists, allowing you to test any acreage with a pay-as-you-go model.
Plan your farm's fertilizer applications with this reference tool. Select your crop and desired yield to determine the necessary vital nutrients. Save and email results for future planning.
Identify crop fertility issues with this reference app. Browse by nutrient type or visually match crop symptoms to find solutions. Aids growers in making informed fertility decisions for their fields.
