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 161–180 of 1,000 ranked alternatives.

  1. Calculi: Scientific Calculator app icon

    Calculi: Scientific Calculator

    Michael Natole, Jr.

    Calculate, edit, and track equations

    Perform calculations with a multi-line display that supports complex expressions and order of operations. Edit equations, save history, and switch between and basic modes. Share results via copy or email.

    ★ 4.4380 ratingsUtilitiesFreeData updated 2026-09-08
  2. CD Calculator Pro app icon

    CD Calculator Pro

    RedTracker LLC

    Calculate CD returns and compare options

    Calculate future CD value by inputting deposit amount, interest rate, and term. Compare growth scenarios and adjust rates to see impact. View results instantly with a simple interface.

    ★ 4.8467 ratingsFinanceFreeData updated 2026-09-16
  1. Ya Tun IOT app icon

    Ya Tun IOT

    Qinhuangdao Xiaoma IOT Technology Development Co., Ltd.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  2. Time Calculator: Add, Subtract app icon

    Time Calculator: Add, Subtract

    Phan Nhat Đang

    Calculate differences and durations

    Calculate durations between dates and times. Add or values from a starting date. Adjust values directly. View results clearly without complex settings.

    ★ 4.6158 ratingsUtilitiesFreeData updated 2026-09-06
  3. iConvert - Unit and Currency app icon

    iConvert - Unit and Currency

    Raphael Odermatt

    Convert units and track rates

    Convert units across 17 categories with 398 options. Switch between currencies using daily updated exchange rates. Access converter on Apple Watch for quick and conversions.

    ★ 4.9350 ratingsUtilities$2.99Data updated 2026-09-08
  4. Time Calculator Simple&Easy app icon

    Time Calculator Simple&Easy

    YOSHIHIRO NAKAJIMA

    Calculate with precise settings

    Calculate intervals with precise unit conversions. Adjust decimal and thousands separators for regional settings. Customize display formats for results. Access in- settings to modify feedback type and default formats.

    ★ 4.8134 ratingsUtilitiesFreeData updated 2026-09-29
  5. Hours & Minutes Calculator app icon

    Hours & Minutes Calculator

    Quackstro, LLC

    Calculate and directly

    Calculate time values by adding, subtracting, and multiplying and . Input time values directly without converting to decimals. Display results in and format.

    ★ 4.2252 ratingsUtilities$1.99Data updated 2026-09-08
  6. Calculator Keyboard - Calku app icon

    Calculator Keyboard - Calku

    Supagarn Pattananuchart

    Calculate within any

    Allows users to perform calculations directly within compatible apps. Input equations using the . Dark Mode is supported. Full iPadOS compatibility is available. Customization options are provided.

    ★ 4.7476 ratingsUtilitiesFreeData updated 2026-09-06
  7. Scientific Calculator Elite app icon

    Scientific Calculator Elite

    Cyberprodigy LLC

    Calculate with fractions and units

    ™ allows users to perform fraction calculations and convert between decimals and fractions. It supports degree, minute, and second conversions. Users can handle unit conversions and calculations with dimensional units.

    ★ 4.853 ratingsUtilities$4.99Data updated 2026-09-08
  8. Mortgage Calculator + app icon

    Mortgage Calculator +

    Adam Fahlman

    Calculate payments and savings

    Calculate payments with weekly, bi-weekly, and monthly options. Input taxes, insurance, and utilities. Estimate interest savings from higher payments. View amortization schedules. Save and compare multiple calculations. Sync to iCloud.

    ★ 4.6233 ratingsFinance$2.99Data updated 2026-09-09
  9. Calculator: Basic & Scientific app icon

    Calculator: Basic & Scientific

    Wuhan Ananta Technology Co., Ltd.

    Calculate, convert, solve, track

    Perform calculations using a basic, scientific, currency, and units calculator. View calculation history, convert numbers to speech, and synchronize results across all calculator modes.

    ★ 4.6203 ratingsUtilitiesFreeData updated 2026-09-28
  10. BTU Calculator -  Data Centers app icon

    BTU Calculator - Data Centers

    Cristinel Bontas

    Estimate cooling needs

    Calculate cooling requirements for based on temperature and humidity targets. Input facility size and regional climate . Estimate airflow and cooling capacity needs. Generate reports for system selection and maintenance planning.

    ★ 4.6314 ratingsUtilitiesFreeData updated 2026-09-08
  11. Auto Loan Calculator - Car app icon

    Auto Loan Calculator - Car

    Phan Nhat Đang

    Calculate car payments with adjustable terms

    Calculate car payments by entering details such as term, down payment, and interest rate. Adjust variables to see payment changes. n amortization schedule with payment dates, amounts, and balances. Save comparisons between different options.

    ★ 4.7232 ratingsUtilitiesFreeData updated 2026-09-21
  12. xiaomaAg app icon

    xiaomaAg

    Qinhuangdao Xiaoma IOT Technology Development Co., Ltd.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  13. CalcApp - Simple Calculator app icon

    CalcApp - Simple Calculator

    尉 张

    Calculate, convert, and solve equations

    Perform basic arithmetic, scientific calculations, and programmer-specific conversions. Save results to a history log. Switch between different calculation modes and unit conversions.

    ★ 4.728 ratingsUtilitiesFreeData updated 2026-09-12
  14. Volume and Geometry app icon

    Volume and Geometry

    Maxime Haeyaert

    Calculate of geometric shapes

    Calculate of geometric shapes with step-by-step explanations. Input dimensions and select shape type. View detailed calculation steps. Save results for later reference. Share solutions via email or messaging.

    ★ 4.5181 ratingsEducationFreeData updated 2026-09-13
  15. jCalc – Scientific Calculator app icon

    jCalc – Scientific Calculator

    Jon Ericksen

    Calculate fractions and decimals instantly

    Solve mathematical problems with fraction, decimal, and equation input. Display results in decimal, rational, , or trigonometric formats. Support up to 16 decimal places for precise calculations.

    ★ 4.6258 ratingsUtilitiesFreeData updated 2026-09-09

How we rank alternatives

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