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
App detailsView in App Store

Rainfall Calculator screenshots

Ranked alternatives

Showing 301–320 of 1,000 ranked alternatives.

  2. Batch Mix app icon

    Batch Mix

    Stat Central LLC

    Mix water and bleach for proper concentration

    Calculate the required amount of bleach and water for a to achieve a specific Sodium Hypochlorite concentration. Input total volume and desired percentage. Display measurements in liters and milliliters. Save and share mixing instructions.

    ★ 4.37 ratingsBusiness$0.99Data updated 2026-09-06
    App details
  3. H2OCHK app icon

    H2OCHK

    Digital Concepts of Missouri, Inc.

    ★ 1.02 ratingsUtilitiesFreeData updated 2026-09-11
    App details
  5. Sonus app icon

    Sonus

    Marco Tini

    ★ 5.01 ratingsHealth & Fitness$3.99Data updated 2026-09-06
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  11. LiquiTech app icon

    LiquiTech

    LiquiTech, Inc.

    Log water data and generate reports

    Record water system data entries with real-time updates. View analytics, generate reports, and ensure compliance with built-in checklists and audit trails. Export data for sharing or printing.

    ★ 4.25 ratingsProductivityFreeData updated 2026-09-06
    App details
  12. Kactoily app icon

    Kactoily

    Actol (shenzhen) Technology Co., Ltd.

    ★ 3.04 ratingsUtilitiesFreeData updated 2026-09-06
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  13. Gas Oil Mixture Ratio app icon

    Gas Oil Mixture Ratio

    Verosocial Studio

    Calculate fuel oil mixture ratios easily.

    The app calculates oil quantities for fuel and oil ratios. It includes unit converters for area, distance, volume, and temperature, along with various calculators for mixtures and efficiency.

    ★ 5.04 ratingsTravel$0.99Data updated 2026-10-27
    App details
  15. iUnit Measurement Conversion app icon

    iUnit Measurement Conversion

    Black Cat Systems

    Convert between 1650 units easily.

    The app converts between 1650 different units in 57 categories. Users can convert units for acceleration, area, energy, mass, temperature, time, and volume.

    ★ 3.76 ratingsReference$2.99Data updated 2026-09-10
    App details

How we rank alternatives

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