Rainfall Calculator app icon

Apps Like Rainfall Calculator for iPhone and iPad

Calculate rainwater harvest, savings, and tank size

Calculate annual rainwater harvest in liters or gallons using catchment area and depth. Input units can be customized with decimal precision. Copy results to other apps and access formula references for accurate calculations.

by Tan Chia Ling★ 5.01 ratingsProductivity$2.99Data updated 2026-09-16

Rainfall Calculator screenshots

Ranked alternatives

Showing 81–100 of 1,000 ranked alternatives.

  1. Lawn Tracker app icon

    Lawn Tracker

    Matthew Bangs

    Track grass growth and schedule mowing, watering,

    Track grass growth and maintain a mowing, watering, and treatment schedule. Measure yard size with a built-in tool. View calendar entries for recent care activities. Log progress in a journal and monitor mowing statistics.

    ★ 4.731 ratingsLifestyleFreeData updated 2026-09-06
  2. Tone Generator Simple app icon

    Tone Generator Simple

    Tevfik Yucek

    Generate tones, adjust frequency, test hearing

    Generate sine, square, sawtooth, and triangle tones across a wide frequency range. Adjust frequency by swiping up or down. Sweep sine frequency for hearing testing. Play tones to clean speakerphone dust and water.

    ★ 4.8128 ratingsUtilitiesFreeData updated 2026-09-06
  1. Dilution Calculator app icon

    Dilution Calculator

    Samuel Blackburn

    Calculate ratios instantly

    Calculate ratios by entering the desired ratio and bottle size. Determine the exact amounts of water and solution needed. Supports litres and millimetres with future unit additions. Share results or provide feedback through in- options.

    ★ 4.7156 ratingsUtilitiesFreeData updated 2026-09-25
  2. eXact iDip app icon

    eXact iDip

    INDUSTRIAL TEST SYSTEMS INC

    Water testing made simple and smart.

    The app works with a waterproof handheld unit for water testing. It provides parameter information, data storage, and GPS tracking.

    ★ 4.056 ratingsUtilitiesFreeData updated 2026-10-06
  3. iRoofing Phone App app icon

    iRoofing Phone App

    Applosophy, LLC

    Measure properties instantly with images

    Create roof measurements using satellite, aerial, drone, or blueprint images. Generate digital pitchbooks with auto pitch detection. Organize property photos by project. Manage customer contacts and tasks. Access digital manufacturer catalogs.

    ★ 4.540 ratingsProductivityFreeData updated 2026-09-19
  4. Flow Test Calculator app icon

    Flow Test Calculator

    Larry Owens

    Calculate rates and hydrant max

    Calculate rates of hydrants and assess maximum water system using the Hazen-Williams formula. Input pipe diameter, length, and pressure to determine . Results displayed in imperial units.

    ★ 4.163 ratingsProductivityFreeData updated 2026-09-09
  5. GARDENA Bluetooth App app icon

    GARDENA Bluetooth App

    GARDENA GmbH

    Control ® devices

    Manage ® products by configuring device settings, changing mower pin codes, enabling rain pause for water controllers. Monitor device status and control operations remotely via smartphone.

    ★ 4.3105 ratingsLifestyleFreeData updated 2026-10-04
  6. Concrete Calculator Elite app icon

    Concrete Calculator Elite

    Cyberprodigy LLC

    Calculate volumes and quantities

    Helps estimate materials for various shapes. Users input dimensions to calculate volume and quantity. Features include slab, column, and post calculations. Saves results for future reference.

    ★ 4.9125 ratingsUtilities$6.99Data updated 2026-09-08
  7. NOISE - relax, focus, sleep app icon

    NOISE - relax, focus, sleep

    CHIH-SHAN LIU

    Listen to ambient sounds and relax

    Listen to natural and urban ambient sounds for relaxation or focus. Choose from forest, rain, coffee shop, and train environments. Adjust volume and playback speed. Save favorite tracks and create custom playlists. Share sounds with others.

    ★ 4.826 ratingsHealth & FitnessFreeData updated 2026-09-06
  8. Fuel Calculator App app icon

    Fuel Calculator App

    SHPAVDA, TOO

    Estimate cost and efficiency

    Calculate consumption and efficiency to estimate travel costs and needs. Input distance and used to determine economy. Choose between imperial or US customary units. Adjust settings for different regions and vehicle types.

    ★ 4.740 ratingsUtilitiesFreeData updated 2026-09-06
  9. myCUD app icon

    myCUD

    Consolidated Utility District of Rutherford County

    ★ 1.3125 ratingsUtilitiesFreeData updated 2026-10-10
  10. TankMix app icon

    TankMix

    Corteva, Inc.

    Calculate product, water, and tank needs

    Calculate product quantities for field areas or tank sizes. Determine water needed for treatment. Adjust Volume to Volume ratios. Select from various units of measure. Input data manually or via device sensors.

    ★ 5.06 ratingsUtilitiesFreeData updated 2026-09-08
  11. Ratios app icon

    Ratios

    Brushed Type Ltd

    Enter coffee amount, get bean and water

    Calculate coffee bean weight and water volume based on desired strength and total brew amount. Adjust values in real time to see impact on final ratio. Export and edit brew parameters for future reference.

    ★ 4.779 ratingsUtilitiesFreeData updated 2026-09-13

How we rank alternatives

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