Metric Seconds app icon

Apps Like Metric Seconds for iPhone and iPad

Convert time

Convert time to and from units. Track time in without time zones. Set and measure durations using a universal zero point. Calculate time intervals in format.

by Malcolm Teas★ 4.416 ratingsUtilitiesFreeData updated 2026-09-13

Metric Seconds screenshots

Ranked alternatives

Showing 161–180 of 1,000 ranked alternatives.

  1. Best Currency & Unit Converter app icon

    Best Currency & Unit Converter

    FOMICHEV DENIS

    Convert units across devices

    Convert measurements between imperial, metric, and universal systems. Switch between units like dollar, euro, and yen with real-time exchange rates or offline mode. Calculate percentages, fractions, and perform basic arithmetic operations.

    ★ 3.614 ratingsUtilities$0.99Data updated 2026-09-16
  2. Roof Tool app icon

    Roof Tool

    Blue Dog Training PTY LTD

    Calculate pitch and member lengths

    Calculate pitch and geometrical lengths for Hip and Valley, Splayed End Hip, Hexagonal, and Octagonal roofs. Zoom in on designs. Email calculations and diagrams. Switch between imperial and metric units.

    ★ 2.33 ratingsUtilitiesFreeData updated 2026-09-08
  1. Baltic Deco Planner Lite app icon

    Baltic Deco Planner Lite

    Eskil Olsen

    Plan staged decompression dives easily.

    The app plans staged decompression dives for technical divers. It supports multi-level and repetitive dives, nitrox, and metric or imperial measurements.

    ★ 3.89 ratingsSportsFreeData updated 2026-09-12
  2. Units App app icon

    Units App

    Piet Jonas

    Convert units across many categories.

    The app converts between units in categories like length, temperature, and weight. It provides access to previous conversions through a history list with colored categories.

    ★ 2.01 ratingsReference$0.99Data updated 2026-09-27
  3. Ductulate HD app icon

    Ductulate HD

    Steven Ramsay

    Calculate air flow and duct sizes

    Calculates air volume, pressure loss, velocity, and duct size for rectangular or round ducts. Supports both imperial and metric units. Users input values to determine required dimensions and system performance.

    ★ 4.824 ratingsUtilities$7.99Data updated 2026-09-08
  4. Pool-Calculator app icon

    Pool-Calculator

    Pool and Spa Resources, LLC

    Calculate chemicals accurately

    Calculate chemical dosages for pools or hot tubs based on water volume and test results. Input pH, alkalinity, and sanitizer levels to determine treatment amounts. Export results and share with service professionals.

    ★ 4.1630 ratingsLifestyle$4.99Data updated 2026-11-05
  5. Pulse - Breathing & Meditation app icon

    Pulse - Breathing & Meditation

    A2G3 Media inc

    Breathe deeply and relax quickly

    Guided exercises help reduce stress and promote relaxation. Calming visualizations aid in falling asleep faster. Tracks patterns and provides progress feedback. Includes programs for stress relief and sleep improvement.

    ★ 4.3580 ratingsHealth & FitnessFreeData updated 2026-09-13
  6. Halliburton eRedBook® Mobile app icon

    Halliburton eRedBook® Mobile

    Halliburton

    Industry data for oil and gas wells

    The app provides instant access to key dimensions and strengths for pipe. Users can look up specifications for tubulars to quickly calculate capacity and annulus volumes in various units.

    ★ 3.832 ratingsBusinessFreeData updated 2026-09-27
  7. AutoTech app icon

    AutoTech

    Steve Clarner

    Compute formulas for automotive performance

    Calculate aerodynamic drag, chassis stress, drivetrain efficiency, engine power, suspension force, and tire pressure using 45+ formulas. Switch between U.S. and metric units. Perform quick computations for mechanics, technicians, and enthusiasts.

    ★ 0.00 ratingsUtilities$1.99Data updated 2026-09-08
  8. Unit Converter - 14-in-1 app icon

    Unit Converter - 14-in-1

    Xi'an 7kit Technology Co., Ltd.

    Convert units with precision and style

    Convert units across 14 categories including length, weight, and temperature. Switch between metric, imperial, and Chinese traditional systems. Customize display formats and save frequently used conversions.

    ★ 5.03 ratingsUtilitiesFreeData updated 2026-09-06
  9. Race Stats: Lap & Drag Timer app icon

    Race Stats: Lap & Drag Timer

    Smooth Path Digital S.R.L

    Track speed and G in real time

    Tracks GPS speed and real-time G-. Measures 0-60 mph or 0-100 km/h and 1/4 mile or 400 m. Simulates drag races. Automatically starts and stops timing. Switches between imperial and metric units. Provides tools for speed and acceleration monitoring.

    ★ 4.5641 ratingsUtilitiesFreeData updated 2026-09-30
  10. Fractio app icon

    Fractio

    James Campbell

    Calculate numbers in natural format.

    The app calculates linear measurements, areas, volumes, and weights in US and metric units. It supports decimal or fractional notation and includes unit conversion, memory, rounding, and percentage functions.

    ★ 3.211 ratingsUtilitiesFreeData updated 2026-10-21
  11. 2T OilMixer app icon

    2T OilMixer

    SPAZA DOT TECH (PTY) LTD

    Calculate correct oil mixture ratios easily.

    The app assists users in determining the correct oil-to-fuel or fuel-to-oil ratio. Users can select their preferred ratio and adjust amounts using sliders and buttons, with options for metric or imperial units.

    ★ 5.02 ratingsUtilities$0.99Data updated 2026-10-17
  12. Kwobot-ball app icon

    Kwobot-ball

    Shenzhen Maoying Intelligence Technology Co., Ltd.

    ★ 0.00 ratingsHealth & FitnessFreeData updated 2026-09-06

How we rank alternatives

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