O2gO2 app icon

Apps Like O2gO2 for iPhone and iPad

Oxygen energy management tool for users.

The app converts oxygen cylinder pressure into time remaining. It displays a multicolored strip indicating the amount of oxygen left.

by Aeronautical Data Systems Inc.★ 3.02 ratingsUtilitiesFreeData updated 2026-11-06

O2gO2 screenshots

Ranked alternatives

Showing 521–540 of 1,000 ranked alternatives.

  1. Hydraulic Cylinder Calc app icon

    Hydraulic Cylinder Calc

    Tan Chia Ling

    Calculate areas and forces

    Calculate metrics such as area, volume, force, velocity, and time. Input piston diameter, pressure, and oil flow to get results for both piston and rod sides. Perform real-time calculations for extraction and retraction forces.

    ★ 5.01 ratingsUtilities$2.99Data updated 2026-09-14
  2. Fish Tank Buddy app icon

    Fish Tank Buddy

    harry bloch

    Calculate water, substrate, and for your

    Calculate water volume and gravel amount based on dimensions. Convert measurements between units. Provide guidelines for stocking levels. Include tips for maintaining water quality and balance.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  3. LevixGas app icon

    LevixGas

    Connectia Desarrollo Tecnologico, S. de R.L. de C.V.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  4. EMB 145 Training Guide PRO app icon

    EMB 145 Training Guide PRO

    Jorge Gonzalez Galvan

    Study questions and review explanations

    Aircraft for EMB-145 provides question and answer format with explanations. Includes 1452 questions, 525 images, 1320 references, and 400 abbreviations. Features fast search for EICAS messages, limitations, and FAA regulations.

    ★ 3.84 ratingsUtilities$19.99Data updated 2026-09-22

How we rank alternatives

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