248+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our ag phd field guide list covers 248+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 2.5★ (8) | No | No | May 2026 |
| 2 |  | Free | 1.0★ (1) | No | No | May 2026 |
| 3 |  | Free | 3.8★ (5) | No | No | May 2026 |
| 4 |  | Free | 5.0★ (1) | No | No | May 2026 |
| 5 |  | Free | 4.6★ (7K) | No | No | Aug 2026 |
| 6 |  | Free | 3.3★ (26) | No | No | Aug 2026 |
| 7 |  | Free | 4.0★ (4) | No | No | May 2026 |
| 8 |  | Free | 1.6★ (13) | No | No | May 2026 |
Identify common weeds and insects in your fields with detailed photos and control recommendations. Access the latest agronomy information and educational content to improve your farming practices.
This app simplifies nozzle selection for agricultural equipment. It provides tailored suggestions based on chemical company, chemical name, and label application information. Users can adjust application rate, speed, and nozzle spacing for enhanced precision.
This app helps users diversify pest control by browsing herbicides, insecticides, and fungicides. It provides access to active ingredients, labels, and safety documentation, along with Group numbers for planning applications and building effective year-round programs while minimizing resistance risks.
This reference app offers a comprehensive guide to soybean diseases found in the US and Canada. It focuses on helping users diagnose these issues directly in the field.
Identify plants by taking photos with your smartphone. Contribute to a global citizen science project to understand and preserve plant biodiversity. Recognizes thousands of wild and cultivated species.
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.
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.
This app offers a comprehensive guide to common corn diseases found in the US and Canada. It focuses on practical, in-field diagnosis to help users identify and understand various crop ailments.
This app helps farmers estimate crop loss after harvest. Users input ground counts of seeds or kernels in a square foot, and the app calculates losses in bushels and pounds per acre.
This app helps corn and wheat growers calculate Growing Degree Units (GDUs) for their crops. It provides daily temperature and GDU data, and can send push notifications about potential field issues based on crop growth stages.
Access comprehensive crop protection product information from major manufacturers. Features include customized searches, automatic label change notifications, and detailed data on PHI, REI, RUP, WPS, Hazmat, PPE, and DOT.
