O2 Duration app icon

Apps Like O2 Duration for iPhone and iPad

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

O2 Duration screenshots

Ranked alternatives

Showing 121–140 of 1,000 ranked alternatives.

  1. Paraco app icon

    Paraco

    Reseau sans fil Otodata Inc

    Track tank levels in real time

    Monitor tank levels with real-time updates from anywhere. View past three months of usage data. Receive instant notifications when tank levels reach set thresholds.

    ★ 4.5131 ratingsUtilitiesFreeData updated 2026-09-06
  2. TrimixBlending app icon

    TrimixBlending

    Costas Bakopanos

    Blend gases for precise trimix mixes

    Technical divers can create custom Trimix blends using partial pressure blending. Input gas composition and depth to calculate oxygen and helium percentages. Support for Nitrox top-ups and ideal gas law calculations.

    ★ 0.00 ratingsSportsFreeData updated 2026-09-06
  1. GPS Real-time Altitude Meter app icon

    GPS Real-time Altitude Meter

    海英 王

    Track and air pressure in real time

    Monitor , air pressure, and oxygen levels in real time using GPS and sensor data. Customize theme and background. Track environmental changes with precise measurements and dynamic updates.

    ★ 4.724 ratingsUtilitiesFreeData updated 2026-09-06
  2. Molecule Lab app icon

    Molecule Lab

    Maxamix Corporation

    Build and visualize molecules in 3D

    Build and visualize molecules in 3D. Add oxygen, nitrogen, chlorine, carbon, hydrogen, double and triple bonds, branches, and rotation conformations. Edit structures with undo, redo, and delete functions. Export models for further use.

    ★ 4.120 ratingsEducationFreeData updated 2026-09-06
  3. OBD Pro app icon

    OBD Pro

    Shenzhen Leagend Optoelectronics Co., Ltd.

    ★ 2.01 ratingsUtilitiesFreeData updated 2026-09-10
  4. RS Care app icon

    RS Care

    Riversong (Shenzhen) Technology Co., Ltd.

    ★ 2.33 ratingsHealth & FitnessFreeData updated 2026-09-06
  5. Cubitt Pro app icon

    Cubitt Pro

    Kenex Trading SA

    Pair phone with smart watch

    Connect your smart watch to your phone for notifications from texts, social networks, calendar, contacts, email, and other apps. Customize notification settings including reminders, sounds, and vibrations. Make and receive calls from the watch.

    ★ 4.2136 ratingsHealth & FitnessFreeData updated 2026-09-06
  6. Vellfit app icon

    Vellfit

    Shenzhen Weir Health Technology Co., Ltd

    ★ 3.06 ratingsHealth & FitnessFreeData updated 2026-09-06
  7. Plutocalc+ Water app icon

    Plutocalc+ Water

    Daniel Peig

    Solve treatment problems

    Solve engineering problems with 103 calculators and 2670 calculations. Access chemical databases and standards. View self-explanatory diagrams. Input data for real-time results. Supports multiple languages including English and Portuguese.

    ★ 4.01 ratingsUtilities$4.99Data updated 2026-09-11
  8. Physics Calculators Converters app icon

    Physics Calculators Converters

    V PUGAZHENTHI

    Calculate and convert values

    Calculate physical quantities using formulas for force, kinetic friction, static friction, centripetal force, and more. Convert units for gravitational acceleration, angular acceleration, density, and water density.

    ★ 5.02 ratingsEducation$4.99Data updated 2026-09-09

How we rank alternatives

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