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 221–240 of 1,000 ranked alternatives.

  1. Concrete Calculator - Calc app icon

    Concrete Calculator - Calc

    Phan Nhat Đang

    Estimate volume and calculate bags

    Estimate volume for a given area. Calculate required ready-mix bags. Input dimensions to determine quantities. Provide clear results for construction planning.

    ★ 4.8172 ratingsUtilitiesFreeData updated 2026-09-06
  2. PepTracker: Dose Log app icon

    PepTracker: Dose Log

    Jayven Alan Villagomez Peredo

    Track doses, schedule injections, calculate volumes

    Track doses with a structured log to replace notes or spreadsheets. Schedule injections and set reminders. Calculate precise syringe volumes for peptides, GLP-1 medications, and testosterone.

    ★ 4.7236 ratingsHealth & FitnessFreeData updated 2026-09-06
  1. Calculator Ultra for iPhone app icon

    Calculator Ultra for iPhone

    Junhyung Yu

    Calculate, track, and save results

    Perform arithmetic, calculate loans, mortgages, GPA, dates, units, and BMI. Track calculation history for easy reference. Use a clean, intuitive interface for efficient computation.

    ★ 4.769 ratingsUtilitiesFreeData updated 2026-09-06
  2. CD Calculator - Calc app icon

    CD Calculator - Calc

    Phan Nhat Đang

    Calculate deposits with interest and compounding

    Calculate certificates of deposit by entering initial amount, time, and interest rate. View compounding schedules and results. Input variables to determine final balance and interest earned.

    ★ 4.5245 ratingsFinanceFreeData updated 2026-09-06
  3. Snap Converter - Convert Units Free app icon

    Snap Converter - Convert Units Free

    MaoWare Corporation

    Convert units in 22 measures.

    The app converts units across 22 different measures. Its multi-unit design allows conversion from one unit to three others simultaneously.

    ★ 4.629 ratingsUtilitiesFreeData updated 2026-09-18
  4. Pocket Air Horn app icon

    Pocket Air Horn

    The Ritz Acme Ltd Liability Company

    Loud air horn sound in pocket.

    The app provides a loud air horn sound effect. It includes a gravity feature where the button moves with the phone.

    ★ 3.5105 ratingsEntertainmentFreeData updated 2026-09-14
  5. Time Calculator - Easy to Use app icon

    Time Calculator - Easy to Use

    Gabe Montague

    Calculate , add, subtract, convert

    Calculate values with hours, minutes, and seconds. Perform math operations including multiplication and division. Convert between distances and standard numbers. Track splits and paces for -based activities.

    ★ 4.381 ratingsUtilitiesFreeData updated 2026-09-09
  6. Volume Booster & Bass - Amply app icon

    Volume Booster & Bass - Amply

    Futsum Semhar

    Boost sound, enhance , play music

    Enhance audio quality with sound boosting and enhancement. Import tracks from local storage or cloud services. Play music with customizable equalizer settings. Adjust levels for optimal listening. Control playback through a user-friendly interface.

    ★ 4.5147 ratingsUtilitiesFreeData updated 2026-09-06
  7. Metal Weight Calculator Pro app icon

    Metal Weight Calculator Pro

    Vaghani Keyur

    Calculate instantly

    Calculate for steel, aluminum, copper, brass, stainless steel, and more. Input dimensions and material type to estimate . Supports multiple shapes including sheets, bars, and pipes. Save and export calculation results.

    ★ 4.67 ratingsProductivityFreeData updated 2026-09-06
  8. Pool Chem Calculator app icon

    Pool Chem Calculator

    Gunter Business Solutions Inc

    Calculate chemicals accurately

    Manage chemistry with advanced calculators for chlorine, pH, alkalinity, and shock treatments. Input size and conditions for accurate dosing. Track chemical levels and maintenance schedules. Export data for record-keeping.

    ★ 4.337 ratingsUtilitiesFreeData updated 2026-09-17
  9. Simple Calculator. + app icon

    Simple Calculator. +

    tasser gyati

    Calculate taxes and percentages

    Perform arithmetic calculations with 12 digits. Calculate tax, percentages, and cost, selling price, and gross margin. Use memory functions, square root, and sign change. Track grand total.

    ★ 4.7147 ratingsUtilities$1.99Data updated 2026-09-14
  10. Calculator #1 for iPad app icon

    Calculator #1 for iPad

    PAI STUDIO, OOO

    Calculate, edit, and solve equations

    Perform complex calculations with scientific functions and engineering tools. Input equations, use memory functions, and switch between degrees and radians. Save results and view calculation history.

    ★ 4.357 ratingsUtilitiesFreeData updated 2026-09-25
  11. One Converter: Unit Calculator app icon

    One Converter: Unit Calculator

    Novvio, Inc.

    Convert units, calculate, and save

    Convert units across categories like length, weight, and temperature. Enter a value and select units for conversion. Perform calculations using converted values. Sync results with other devices.

    ★ 2.07 ratingsUtilitiesFreeData updated 2026-09-14
  12. NPV Calculator by ND, calc app icon

    NPV Calculator by ND, calc

    Phan Nhat Đang

    Calculate NPV for cash flows

    Calculate net present value for uneven or even cash flows. Input cash flow amounts and discount rates. Copy results to clipboard. Support unlimited years of cash flow data.

    ★ 4.137 ratingsUtilitiesFreeData updated 2026-09-22
  13. Unit Converter, 50+ Calculator app icon

    Unit Converter, 50+ Calculator

    Loopbots Technology

    Convert units, calculate values, compare results

    Convert units across multiple categories including length, weight, temperature, and more. Input values and select units for instant conversion. View all results on one screen. Calculate complex formulas with built-in functions.

    ★ 4.352 ratingsUtilitiesFreeData updated 2026-09-10
  14. Financial Calculator+++ app icon

    Financial Calculator+++

    Behzad Dogahe

    Calculate loans, track budgets, plan investments

    Manage loans, investments, and calculations with built-in formulas. Calculate interest rates, cash flows, and net present value. Input custom scenarios and view detailed breakdowns. Sync data across devices and export results in various formats.

    ★ 4.410 ratingsFinance$2.99Data updated 2026-09-08
  15. Gravel Calculator - Calc app icon

    Gravel Calculator - Calc

    Phan Nhat Đang

    Calculate earthwork volume and material needs

    Calculate earthwork material requirements by entering project parameters to determine area and volume. Input weight or volume units for and total material needed. Support multiple length, weight, and volume units for accurate calculations.

    ★ 4.670 ratingsUtilitiesFreeData updated 2026-09-26

How we rank alternatives

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