Collatz Explorer app icon

Apps Like Collatz Explorer for iPhone and iPad

by Berk Sucu★ 4.65 ratingsEducationFreeData updated 2026-09-06

Ranked alternatives

Showing 181–200 of 1,000 ranked alternatives.

  1. N'Back Fan app icon

    N'Back Fan

    Yasuyoshi Ota

    Memorize and respond to sequences

    Train sensory memory and working memory with exercises. Memorize number sequences and recall values from previous steps. Answer using keyboard input. Track progress and review performance metrics. Adjust difficulty levels for varying challenge.

    ★ 0.00 ratingsEducationFreeData updated 2026-09-06
  2. OPTOVERA app icon

    OPTOVERA

    SOBER-EYE INC.

    Measure pupil size and track responses

    Record eye videos to measure pupil size and analyze Pupil Response to Light. Track measurements over time. Learn about the Pupillary Light Reflex through educational content. Share results with healthcare providers.

    ★ 4.36 ratingsEducationFreeData updated 2026-09-13
  1. Artlist - Monet Collection app icon

    Artlist - Monet Collection

    Jinan Matrix Information Technology Co., Ltd.

    View and rate paintings, download artwork, filter

    Collect and view high-definition images of 629 Claude paintings. Filter artworks by category or user ratings. Download paintings to a mobile device. Rate paintings and access diverse display options.

    ★ 4.782 ratingsEducationFreeData updated 2026-09-26
  2. Substitute Organist Service app icon

    Substitute Organist Service

    Church Music Solutions, Inc.

    Organ music for church congregations.

    The app connects to a church's MIDI-capable organ to lead congregational song. A MIDI adapter is required for pipe or digital organs.

    ★ 4.56 ratingsMusicFreeData updated 2026-11-02
  3. Palm Springs Modernism Tour app icon

    Palm Springs Modernism Tour

    Desert Publications Inc

    Explore Palm Springs mid-century landmarks.

    The app provides guided tours of over 80 mid-century landmarks in Palm Springs, California. Users can explore locations, architects, or create custom tours with access to property interiors and exteriors.

    ★ 2.648 ratingsTravel$4.99Data updated 2026-11-02
  4. EzyUse app icon

    EzyUse

    Najla Yahya

    Learn English from favorite content

    Learn English by watching favorite videos and YouTube content. The identifies vocabulary and provides translations. Users can practice listening, repeat phrases, and test comprehension through interactive exercises.

    ★ 4.438 ratingsEducationFreeData updated 2026-09-06
  5. TalkingAbacus app icon

    TalkingAbacus

    CHEUNG LEUNG

    Learn abacus with sound.

    The app is designed for children to learn abacus basics. It features easy control, funny graphics, and reads numbers aloud to reinforce memory.

    ★ 5.03 ratingsEducationFreeData updated 2026-10-01

How we rank alternatives

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