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 81–100 of 1,000 ranked alternatives.

  1. Mortgage Calculator: Payment app icon

    Mortgage Calculator: Payment

    Phan Nhat Đang

    Calculate monthly payments

    Calculate monthly payments by entering home price, down , loan term, and interest rate. Break down payments into principal, interest, property taxes, and home insurance. Include HOA fees and other costs for a detailed estimate.

    ★ 4.6234 ratingsFinanceFreeData updated 2026-09-21
  2. Pocket Light Meter app icon

    Pocket Light Meter

    Vladislav Vyshemirsky

    Measure , calculate reciprocity

    Measures reflected intensity for manual cameras. Calculates reciprocity adjustments. Displays exposure values for film photography. Integrates with camera apps for real-time readings.

    ★ 4.51,046 ratingsPhoto & Video$9.99Data updated 2026-10-10
  1. Rapid & Quick Calculator app icon

    Rapid & Quick Calculator

    Tasuku Maeda

    Calculate, edit, and track equations

    Calculate sales tax and discounts with percentage-based operations. View equations and reuse previous results via the history tape. Adjust rounding settings and switch between multiple color themes.

    ★ 4.81,473 ratingsFinanceFreeData updated 2026-09-10
  2. FP Scientific&Basic Calculator app icon

    FP Scientific&Basic Calculator

    Ofly Tech Co., Ltd.

    Calculate, convert, and solve equations

    FP performs basic arithmetic, currency conversions, and unit conversions. Users can switch between dark and light modes. Split-screen mode is available on iPad.

    ★ 4.6654 ratingsUtilitiesFreeData updated 2026-09-06
  3. Construction Calculator++ app icon

    Construction Calculator++

    Behzad Dogahe

    Calculate measurements and convert units

    Calculate area, perimeter, and square-up using length, width, and height. Convert measurements between yards, feet, inches, fractions, and decimals. Perform unit conversions for math tasks.

    ★ 4.249 ratingsUtilities$2.99Data updated 2026-09-08
  4. Position Size Calculator: Fx app icon

    Position Size Calculator: Fx

    Phan Nhat Đang

    Calculate trade based on risk and stop

    Calculate trade based on risk percentage or amount and stop loss in pips. View calculated results and additional options for informed trading decisions.

    ★ 4.6297 ratingsFinanceFreeData updated 2026-09-06
  5. Chippy Tools: Construction app icon

    Chippy Tools: Construction

    Peth Pty Ltd

    Calculate measurements and convert units

    Calculate measurements, convert units, and estimate material quantities. Perform trigonometry, slope calculations, and area computations. Save frequently used formulas and access them quickly. Export results and share via email or messaging.

    ★ 4.5797 ratingsUtilitiesFreeData updated 2026-09-06
  6. Percentages Calculator app icon

    Percentages Calculator

    Thomas Tsopanakis

    Calculate quickly and accurately

    Calculate of values, increase or decrease values by a percentage, and find the original value before a percentage change. Set custom values, view step-by-step calculations, and save results for future reference.

    ★ 4.81,342 ratingsBusiness$0.99Data updated 2026-10-02
  7. Craft Price Calculator app icon

    Craft Price Calculator

    Biographics Consultoria E design Ltda Epp

    Calculate costs with material inputs

    Calculate project costs by entering materials, fees, and desired profit margin. ccurate pricing estimates. Track expenses and adjust margins for different projects. Export pricing details for record-keeping.

    ★ 4.3133 ratingsBusinessFreeData updated 2026-09-06
  8. Peptide Tracker Calculator app icon

    Peptide Tracker Calculator

    Wild Monkey Labs, LLC

    Track doses and schedule injections

    Track , steroid, GLP1, and oral medication schedules with a calendar and alerts. Log injection sites with rotation history and custom locations. Calculate doses in mg, mcg, pg, IU, and visualize syringe fills for accurate administration.

    ★ 4.9249 ratingsHealth & Fitness$4.99Data updated 2026-10-10
  9. Square Footage Calculator + app icon

    Square Footage Calculator +

    Phan Nhat Đang

    Calculate area and estimate material costs

    Calculate area for , rectangular, triangular, circular, trapezoidal, or elliptical spaces. Input dimensions to get feet, meters, or yards. Estimate material costs based on price per 100 units. Export results for project planning.

    ★ 4.5293 ratingsUtilitiesFreeData updated 2026-09-21
  10. Converter-Universal Conversion app icon

    Converter-Universal Conversion

    Trelleborg Sealing Solutions Germany GmbH

    Convert units, calculate percentages, track timezones, calculate

    Convert units including currencies, length, weight, and temperature. Convert time zones and calculate percentages. Includes a running pace calculator and other utility tools for precise measurements and calculations.

    ★ 4.9974 ratingsUtilitiesFreeData updated 2026-09-08
  11. Solves: Calculator for All app icon

    Solves: Calculator for All

    Oleg Barinov

    Edit expressions, sync history, calculate instantly

    Is a that allows editing of mathematical expressions with instant results. It syncs calculation history across devices. Purchasing + adds unit conversion, history tools, fractions, and more.

    ★ 4.9381 ratingsUtilitiesFreeData updated 2026-09-15
  12. CNC Machinist Calculator Pro app icon

    CNC Machinist Calculator Pro

    Shane Anderson

    Calculate tool offsets and feed rates

    Calculate turning operations with spindle speed, feed rate, and tool engagement angle inputs. Determine cutting time and material removal rates. Convert imperial to metric units. Store and recall frequently used settings.

    ★ 4.7678 ratingsProductivity$14.99Data updated 2026-10-10
  13. Calculator - Unit Converter app icon

    Calculator - Unit Converter

    TOWER OF HANOI SOFTWARE COMPANY LIMITED

    Calculate and convert units

    Perform basic and advanced calculations including addition, subtraction, multiplication, division, and exponents. Convert units between degrees, radians, and grads. Switch between standard and scientific modes.

    ★ 4.6393 ratingsUtilitiesFreeData updated 2026-09-06
  14. Calculator-- app icon

    Calculator--

    Horizon Business, Inc.

    Calculate, customize, and display results

    Allows users to perform basic arithmetic operations. Choose from different background colors and display themes. Input numbers and operators to calculate results. Switch between light and dark modes for better visibility.

    ★ 4.7916 ratingsUtilitiesFreeData updated 2026-09-08

How we rank alternatives

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