O2 Duration app icon

Apps Like O2 Duration for iPhone and iPad

by Jeremy Fradet★ 1.01 ratingsUtilities$2.99Data updated 2026-09-08
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Ranked alternatives

Showing 581–600 of 1,000 ranked alternatives.

  2. Aquarium Calculator Plus app icon

    Aquarium Calculator Plus

    Heng Jia Liang

    Calculate water volume for aquariums

    Calculate volume for square, rectangular, cylindrical, or hexagonal shapes. Input dimensions in inches or centimeters. Convert measurements to U.S. gallons or liters. Determine correct medication dosage and fish stocking levels based on volume.

    ★ 5.01 ratingsUtilities$2.99Data updated 2026-09-06
    App details
  1. ReViiV app icon

    ReViiV

    Martysoft LLC

    ★ 5.07 ratingsHealth & FitnessFreeData updated 2026-09-06
    App details
  6. Oxygen app icon

    Oxygen

    Oxygen Experiencias Capacitacao e Conteudo em Inovacao Ltda.

    ★ 5.02 ratingsEducationFreeData updated 2026-09-06
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  7. Mixergy Enterprise Installer app icon

    Mixergy Enterprise Installer

    Mixergy Limited

    Add tanks, track temps, set heat source

    Manage accounts by adding hot water tanks. Monitor real-time temperature and water levels. Track heating status and set heat sources. Adjust set point temperatures. Control timer functions remotely. Enable or disable timer cables as needed.

    ★ 0.00 ratingsBusinessFreeData updated 2026-09-06
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  8. Meaco app icon

    Meaco

    MEACO (U.K.) LIMITED

    ★ 4.02 ratingsUtilitiesFreeData updated 2026-09-06
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  15. WASP Util app icon

    WASP Util

    North Pole Engineering Inc

    ★ 4.04 ratingsHealth & FitnessFreeData updated 2026-09-09
    App details

How we rank alternatives

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