NPKalc - Fertilizer Calculator app icon

Apps Like NPKalc - Fertilizer Calculator for iPhone and iPad

Calculate doses and units

Calculate requirements for granular and liquid types using various unit measurements. Input soil test results and desired nutrient levels. pplication rates for lawns, gardens, and crops. Export results for record-keeping.

by Barton Cone★ 4.39 ratingsUtilitiesFreeData updated 2026-09-06

NPKalc - Fertilizer Calculator screenshots

Ranked alternatives

Showing 801–820 of 1,000 ranked alternatives.

  1. Aerobic Capacity Calculator app icon

    Aerobic Capacity Calculator

    Ajay Gorasiya

    Estimate VO₂ Max and heart rate zones

    Calculate VO₂ Max, Maximum Heart Rate (MHR), and Target Heart Rate (THR) zones using scientific formulas. Input age, gender, and resting heart rate to estimate values. Set and track heart rate zones for workouts. Export results for review.

    ★ 0.00 ratingsUtilities$2.99Data updated 2026-09-06
  2. Favorite Calculator app icon

    Favorite Calculator

    Stanislav Hatnyuk

    Calculate, edit, and save notes

    Perform basic calculations with a clean interface. Input numbers and operators to solve equations. Save frequently used calculations. Share results via copy or email.

    ★ 5.02 ratingsProductivityFreeData updated 2026-09-10
  1. U Convert app icon

    U Convert

    Syed Bukhari

    Units across categories

    Units across categories like length, mass, data, area, and temperature. Select from numerous units within each category. Save frequently used conversions. Share results via copy or email.

    ★ 5.01 ratingsEducationFreeData updated 2026-09-06
  2. UConverter++ app icon

    UConverter++

    Rushikesh Samaiahgare

    Convert units with precision and ease

    Convert units of length, temperature, mass, and more. Switch between metric and imperial systems. Input values and receive instant, accurate results. Save frequently used conversions for quick access.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  3. Pool Math Calculator app icon

    Pool Math Calculator

    Sergii Nesterenko

    Calculate chemicals with precision

    Calculate chemical dosages for chlorine, pH, and alkalinity with precise formulas. Get smart recommendations for balancing water. Track chemical levels and maintenance schedules. Export data for records or sharing.

    ★ 5.02 ratingsLifestyleFreeData updated 2026-09-06
  4. Hex Calculator Pro app icon

    Hex Calculator Pro

    Nguyen Van Huu

    Convert numbers between systems

    Hexadecimal and binary calculators allow users to perform arithmetic and bitwise operations. Convert between number systems and view results in decimal, hexadecimal, and binary formats. Save and share calculation history.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  5. Units Free app icon

    Units Free

    Piet Jonas

    Convert units across multiple categories.

    The app converts between units in categories like length, temperature, and weight. It provides access to previous conversions through a history list with color-coded categories.

    ★ 1.01 ratingsUtilitiesFreeData updated 2026-09-27
  6. Water Eject Pro Cleaner° app icon

    Water Eject Pro Cleaner°

    SMART MOBILE TECH - FZCO

    Emit high-frequency tones for testing or experimentation

    Play high-frequency tones to test speaker performance or experiment with audio effects. Use specific sound patterns to assist with ejection. Adjust frequency settings and monitor output levels.

    ★ 5.01 ratingsMusicFreeData updated 2026-09-06
  7. Antiderivative calculator app icon

    Antiderivative calculator

    Ahmad Sattar

    Calculate antiderivatives and integrals

    Calculate antiderivatives for mathematical functions including trigonometric and logarithmic types. Solve integrals step-by-step. Display results and explanations. Save and review calculations.

    ★ 0.00 ratingsEducationFreeData updated 2026-09-06
  8. Oil & Gas Calculator : OilCalc app icon

    Oil & Gas Calculator : OilCalc

    Upasana Deshmukh

    Calculate oil and gas metrics instantly

    Calculate pump output, MASP, GOR, and tank strapping with unit selectors and input validation. Access Drilling, Production, Reservoir, and Terminal/Trading modules. Retrieve step-by-step formulas, unit conversions, and context summaries.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  9. Quick Correlation Coefficients app icon

    Quick Correlation Coefficients

    Michael YOUNG

    Adjust sliders and calculate correlations

    Calculate between two or three sets of numerical data. Input data via slider or keypad for precise values. View results and analyze relationships between datasets.

    ★ 1.01 ratingsEducationFreeData updated 2026-09-08
  10. Unit Converter & Metric Tool app icon

    Unit Converter & Metric Tool

    NIKLAS ETZLINGER

    Convert units instantly and accurately

    Convert units across categories like length, weight, temperature, and volume. Select units, input values, and receive instant results. Access a comprehensive list of measurement systems. Share results via email or copy to clipboard.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  11. PhD em Soja app icon

    PhD em Soja

    Dynamica Soft Sistemas Ltda - ME

    Analyze soil and leaf data

    Identify soybean phenological stages and nutrient absorption levels in crops. Access interpretation tables for soil and leaf analysis. Track nutrient absorption progress through growth stages.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-11

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.