e: Spacetime Converter app icon

Apps Like e: Spacetime Converter for iPhone and iPad

Convert length and time relativistically.

The app converts between length and time using geometrized units where the speed of light is unity. It allows users to think about the world differently by converting units like inches to seconds or miles to years.

by Elliptics, Ltd.★ 5.01 ratingsEducationFreeData updated 2026-09-10

e: Spacetime Converter screenshots

Ranked alternatives

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    Bridge Engineering Calculator

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    Calculate parameters instantly

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    ★ 5.02 ratingsEducationFreeData updated 2026-09-16
  2. ВFV app icon

    ВFV

    Bibi Waziran

    Manage your device settings and tasks

    Hash coding in the field of artificial intelligence achieves more efficient storage and processing of data by converting variable-length inputs into fixed-length strings.

    ★ 4.73 ratingsUtilitiesFreeData updated 2026-09-06
  3. MegaCalcBox - Multi Calculator app icon

    MegaCalcBox - Multi Calculator

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    Calculate finances, track health, plan travel, manage

    Perform complex calculations with 35+ professional calculators covering finance, health, travel, and utilities. Input values, view examples, save favorites, and get instant results. Switch between dark and light modes. No advertisements.

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  4. Complete Grade 10 by GoLearningBus app icon

    Complete Grade 10 by GoLearningBus

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    Grade 10 learning made accessible now.

    The app provides snack-sized tutorials, flashcards, and quizzes for Grade 10 Math, Science, and English. Users can access a summary of essential concepts through bite-sized chapters covering physics, chemistry, math, biology, and English topics.

    ★ 3.02 ratingsEducationFreeData updated 2026-09-14
  5. Age Calculator: Exact Age DOB app icon

    Age Calculator: Exact Age DOB

    Ivan Zdrilich

    Calculate age in years, months, days

    Calculate age in years, months, days, hours, and minutes. Track life milestones like total heartbeats and breaths. View a real-time birthday countdown timer.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  6. Hydraulics and Waterworks lite app icon

    Hydraulics and Waterworks lite

    V PUGAZHENTHI

    Calculate and convert parameters

    Calculate hydraulic parameters such as capillary rise, viscosity, and hydrostatic pressure. Convert between metric and imperial units. Determine velocity head, specific energy head, and total energy. Assess head loss using the Bernoulli equation.

    ★ 5.01 ratingsEducationFreeData updated 2026-09-06
  7. Pipe Coil Development Pro app icon

    Pipe Coil Development Pro

    Imran Pinjara

    Calculate lengths and dimensions

    Calculate helical lengths for internal or external pipes. Determine limpet lengths on shells or half pipes. Compute jacket lengths for dish ends and half pipes. Switch between metric and imperial units.

    ★ 0.00 ratingsUtilities$3.99Data updated 2026-09-06

How we rank alternatives

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