Scientific Discipline
Agricultural & Food Sciences
Plot Calculator
FreeiOS
Evidence Tier:TRUSTED
Provides unit converter, area calculator, and fertilizer rate calculator for small plot researchers to determine material needed per trial.
Oklahoma State UniversityHorticulture & Crop Science
PreFresh Pen Size Calculator
FreeiOS
Evidence Tier:TRUSTED
PreFresh Pen Size Calculator helps dairy farmers predict required pen size and number based on herd size, calving seasonality, and age.
University of Wisconsin-MadisonAnimal & Dairy Science
Preg Calculator
FreeiOS
Evidence Tier:TRUSTED
Preg Calculator helps dairy herd managers calculate pregnancies required to maintain herd size using reproductive parameters and culling rates.
University of Wisconsin-MadisonAnimal & Dairy Science
Preserve Smart
FreeiOS
Evidence Tier:TRUSTED
Food preservation app providing tested recipes that automatically adjust canning processing times for user's elevation, ensuring high-altitude safety.
Colorado State UniversityFood Science & Nutrition
Protein Supplement Calculator
FreeiOS
Evidence Tier:TRUSTED
Protein Supplement Calculator helps cattle producers compare feed supplement costs, balance protein rations, and calculate optimal breeding dates.
Utah State UniversityAnimal & Dairy Science
Purdue Extension Corn Field Scout
PaidiOS
Evidence Tier:TRUSTED
Purdue Extension Corn Field Scout helps grain producers and crop advisers identify pests, diagnose issues, and calculate seeding and fertilizer needs.
Purdue UniversityHorticulture & Crop Science
Purdue Extension Corn Field Scout Preview
FreeiOS
Evidence Tier:TRUSTED
Mobile reference for corn growers and advisors to identify pests, diagnose nutrient deficiencies, and calculate seeding rates in field.
Purdue UniversityHorticulture & Crop Science
Purdue Extension Soybean Field Scout
PaidiOS
Evidence Tier:TRUSTED
Comprehensive mobile reference equipping soybean growers and crop advisers with pest identification, crop diagnostics, and production metric calculation tools.
Purdue UniversityHorticulture & Crop Science
Purdue Extension Soybean Field Scout Preview
FreeiOS
Evidence Tier:TRUSTED
Purdue Extension Soybean Field Scout gives farmers tools to identify pests, diagnose plant health, and make soybean management calculations.
Purdue UniversityHorticulture & Crop Science
Purdue Shrub Doctor
FreeiOS
Evidence Tier:TRUSTED
Identifies shrub problems by matching plant damage photos to database images; provides management recommendations for landscape professionals and arborists.
Purdue UniversityHorticulture & Crop Science
Purdue Tomato Doctor
PaidiOS
Evidence Tier:TRUSTED
Purdue Tomato Doctor helps gardeners diagnose plant issues using nearly 500 images, providing unbiased recommendations and avoiding unnecessary pesticide use.
Purdue UniversityHorticulture & Crop Science
Purdue Turf Doctor
PaidiOS
Evidence Tier:TRUSTED
Guides homeowners and lawn professionals through visual diagnosis of turf problems from weeds, insects, and diseases, offering science-based management recommendations.
Purdue UniversityHorticulture & Crop Science
Remote Beef Grading
FreeAndroid
Evidence Tier:TRUSTED
Allows small beef processors to submit smartphone carcass photos for official USDA quality grading, making affordable assessment accessible remotely.
United States Department of AgricultureAnimal & Dairy Science
Seasonal & Simple
FreeAndroid
Evidence Tier:TRUSTED
Guides Iowa, Kansas, Missouri, and Nebraska consumers in selecting, storing, and preparing local seasonal produce with simple recipes at markets.
University of MissouriFood Science & Nutrition
SMART
FreeAndroid
Evidence Tier:TRUSTED
SMART tracks manure spreading paths, identifies prohibited zones for compliance, and sends data to SnapPlus nutrient management software for record-keeping.
University of Wisconsin-MadisonHorticulture & Crop Science
SOW - A Planting Companion
FreeiOS
Evidence Tier:TRUSTED
SOW gives home gardeners location-specific planting schedules, crop information, and harvest tracking for USDA hardiness zones 6a through 9a.
Alabama Cooperative Extension SystemHorticulture & Crop Science
TCRA
PaidiOS
Evidence Tier:TRUSTED
TCRA helps dairy professionals evaluate management programs for cows during calving by assessing facility design and animal condition factors.
University of Wisconsin-MadisonAnimal & Dairy Science
Teat End Scorer
PaidiOS
Evidence Tier:TRUSTED
Digital tool for dairy professionals to score cow teat health conditions like hyperkeratosis, replacing traditional paperwork for herd analysis.
University of Wisconsin-MadisonAnimal & Dairy Science
TwoTrails
FreeAndroid
Evidence Tier:TRUSTED
TwoTrails provides timber cruising and sales administration tools with USDA-approved surveying methods, real-time GPS, and combined data types for forestry personnel.
United States Department of AgricultureForestry & Conservation
Weather Alert App
FreeiOS
Evidence Tier:TRUSTED
Delivers real-time weather data, location-based alerts, and agricultural decision tools to Kentucky farmers and residents; free nationwide for anyone.
University of KentuckyForestry & Conservation