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 741–760 of 1,000 ranked alternatives.

  1. Moments of Inertia app icon

    Moments of Inertia

    Joel Hobbs

    Calculate beam section properties quickly and easily.

    The app calculates beam section properties such as moments of inertia, area, and centroids. Users can select geometries, input dimensions, and view generated answers with formulas, then email or print results.

    ★ 1.01 ratingsUtilities$5.99Data updated 2026-09-25
  2. Solar Pv Calculator app icon

    Solar Pv Calculator

    Adovee Consulting AB

    Calculate PV panels and batteries

    Calculate system requirements by inputting energy demand, hours, and system specs. Determine optimal PV panel and battery quantities. Generate detailed reports for system efficiency and cost estimation.

    ★ 5.01 ratingsUtilities$6.99Data updated 2026-09-06
  3. CalculatorLib - All in One app icon

    CalculatorLib - All in One

    Hai Le Phu

    Calculate, organize, and analyze data

    Perform calculations using 500+ specialized tools across math, finance, health, time, geometry, and unit conversions. Input values and get precise results. Organize calculators into categories for easy access.

    ★ 0.00 ratingsProductivityFreeData updated 2026-09-06
  4. Tonnage Calculator app icon

    Tonnage Calculator

    Joe Scrivens

    Convert M3 to Metric Tons easily.

    The app converts M3 to Metric Tons for ordering asphalt and aggregates. It calculates tonnage based on user-inputted measurements and includes a concrete calculator.

    ★ 1.33 ratingsUtilities$0.99Data updated 2026-10-05
  5. Compound Interest Calculator P app icon

    Compound Interest Calculator P

    owen, Inc.,

    Calculate contributions and track growth

    Calculate future asset growth by inputting initial principal, regular contributions, and rates. Simulate withdrawals and track principal, , and balances over time. View visual graphs and tables for detailed growth analysis.

    ★ 5.03 ratingsFinanceFreeData updated 2026-09-06
  6. RetroCalc - Calculator app icon

    RetroCalc - Calculator

    Nimmi Patel

    Calculate, edit, and save equations

    Calculate complex equations with a clean, intuitive interface that supports multiple input methods. Perform unit conversions, graph functions, and save calculation history. Access scientific formulas and use a dark mode for better visibility.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  7. Instant Compound Calculator app icon

    Instant Compound Calculator

    Shun Isayama

    Calculate interest instantly

    Calculate interest with precise results. Input principal, monthly contribution, annual rate, and years to compute accumulation. Display results instantly with clear visual output. Track growth over time with detailed breakdowns.

    ★ 0.00 ratingsFinance$2.99Data updated 2026-09-06

How we rank alternatives

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