Chrono Machine app icon

Apps Like Chrono Machine for iPhone and iPad

Know the weekday of any date.

The app provides the weekday for any date from 4713 BC to 4099 AD. It can also calculate the days of the week for various calendar systems and retrieve specific holiday dates.

by Carlo Rubini★ 0.00 ratingsReferenceFreeData updated 2026-09-20

Chrono Machine screenshots

Ranked alternatives

Showing 721–740 of 1,000 ranked alternatives.

  1. Boiling app icon

    Boiling

    Piet Jonas

    Calculate altitude and temperature

    Calculate temperature and air pressure based on altitude. Read current altitude via GPS or ASTER data. Access device barometer for pressure readings. Search for any location's altitude using GeoNames. Manually adjust altitude settings.

    ★ 1.01 ratingsReference$0.99Data updated 2026-09-08
  2. NT Greek MSS app icon

    NT Greek MSS

    New Orleans Baptist Theological Seminary

    Search manuscripts, view details, access catalog

    Provides access to catalogued New Testament manuscripts. Users can search manuscripts by ID, contents, date, material, and location. Entries include details like folios, columns, and library information.

    ★ 0.00 ratingsReferenceFreeData updated 2026-09-22
  1. BJACE app icon

    BJACE

    Beaufort County School District

    Access news, tools, and school updates instantly

    Access school news and updates instantly. View interactive resources like event calendars. Retrieve online materials quickly for parents, students, teachers, and administrators.

    ★ 5.02 ratingsEducationFreeData updated 2026-09-12
  2. Library Link app icon

    Library Link

    Softlink Australia Pty Ltd

    Search, manage, and view library resources.

    The app allows users to search for resources, check alerts for overdues or holds, and view library information. Users can also scan ISBNs to retrieve resources, view new items, and manage loaned items.

    ★ 4.52 ratingsReferenceFreeData updated 2026-09-27
  3. Technology Readiness Levels app icon

    Technology Readiness Levels

    Russell Shannon

    DoD and NASA TRL quick reference.

    The app provides quick reference for Department of Defense and NASA Technology Readiness Levels. It includes definitions, descriptions, and supporting information for each TRL.

    ★ 5.02 ratingsProductivityFreeData updated 2026-10-14
  4. Week Numbers - Calendar Weeks app icon

    Week Numbers - Calendar Weeks

    Emoji Apps GmbH

    Add to your

    Add to iPhone or iPad calendars. Choose which to display . Select days of the for . Choose between two number schemas: starting on Monday or Sunday.

    ★ 0.00 ratingsProductivityFreeData updated 2026-09-08
  5. CCS- San Angelo app icon

    CCS- San Angelo

    Cornerstone Christian School

    Access news, tools, and event calendars

    Parents, students, and teachers can view school news and updates. Access interactive resources like event calendars. Retrieve online tools and information quickly.

    ★ 5.02 ratingsEducationFreeData updated 2026-09-06
  6. Adventist Christian Academy app icon

    Adventist Christian Academy

    CAROLINA CONFERENCE ASSOCIATION OF SEVENTH DAY, INC.

    Access news, resources, and information anytime

    Access school news, view event calendars, and retrieve online resources. Parents, students, teachers, and administrators can stay updated and connected through the .

    ★ 5.02 ratingsEducationFreeData updated 2026-09-06
  7. Archer Academy NM app icon

    Archer Academy NM

    Los Puentes Charter School

    Access resources, news, and tools instantly

    Access school news, view event calendars, and retrieve online resources. Parents, students, teachers, and administrators can stay updated and connected through the .

    ★ 4.52 ratingsEducationFreeData updated 2026-09-06
  8. Aspen Crossing Elementary app icon

    Aspen Crossing Elementary

    Cherry Creek School District #5

    Access news, resources, and tools instantly

    Access school news and updates. View interactive resources like event calendars. Retrieve online tools and information for parents, students, teachers, and administrators.

    ★ 4.52 ratingsEducationFreeData updated 2026-09-06
  9. Reagan Academy Utah app icon

    Reagan Academy Utah

    Ronald Wilson Reagan Academy

    Access news, tools, and event calendars

    Access school news and updates. View interactive resources like event calendars. Retrieve online tools and information for parents, students, teachers, and administrators.

    ★ 4.02 ratingsEducationFreeData updated 2026-09-06
  10. N-UM app icon

    N-UM

    Edis Aganovic

    ★ 4.01 ratingsEducationFreeData updated 2026-09-22

How we rank alternatives

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