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 201–220 of 1,000 ranked alternatives.

  1. Counter Man app icon

    Counter Man

    Binary Arm (Pty) Ltd

    Electronic clicker for all counting needs.

    The app allows users to create multiple named counters for various counting needs. It offers statistic graphs for each counter and supports managing counters, groups, and colors.

    ★ 3.97 ratingsUtilitiesFreeData updated 2026-09-20
  1. Making Sequences app icon

    Making Sequences

    Zorten Software, LLC

    Teach story order and task steps.

    The app teaches story order and task completion steps. Users can create personalized sequences with uploaded images and voice recordings, then share them via Dropbox.

    ★ 2.03 ratingsEducation$4.99Data updated 2026-09-22
  2. MudWatt Explorer app icon

    MudWatt Explorer

    Trygve Enterprises LLC

    Explore MudWatt power and bacteria life.

    The app tracks MudWatt power and bacteria population using light blinking. It provides graphical representations of data and unlocks comic chapters based on power growth.

    ★ 2.915 ratingsEducationFreeData updated 2026-10-27
  3. ABC 123 Reading Writing Practice HD app icon

    ABC 123 Reading Writing Practice HD

    NeoFinger

    Learn to write letters and numbers.

    The app helps users learn to write English letters and numbers. It offers modes for tracing uppercase and lowercase letters and numbers, with options to practice in order or select specific characters.

    ★ 3.637 ratingsEducationFreeData updated 2026-09-22
  4. RST 599xp app icon

    RST 599xp

    koji kamogawa

    Practice CW QSOs with realistic settings

    Simulate amateur radio QSOs with realistic call signs and signal levels. Adjust CW speed and set own station parameters. Support pile-up with up to 3 simultaneous stations. Include 599BK, Rubber Stamp, and contest-style QSOs.

    ★ 5.01 ratingsEducation$2.99Data updated 2026-09-29
  5. RST 599x app icon

    RST 599x

    koji kamogawa

    Practice CW QSOs with real call signs

    Practice amateur radio CW QSOs with realistic simulations. Choose from 599BK, Rubber Stamp, or Contest styles. Adjust call signs, signal levels, and CW speeds. Simulate pile-ups with up to three stations. Set own station parameters for CQ calls.

    ★ 5.01 ratingsEducation$1.99Data updated 2026-09-22
  6. WiseMate app icon

    WiseMate

    午尧 杨

    Practice math operations with shapes and fractions

    Practice arithmetic operations including addition, subtraction, multiplication, and division, with mixed problems and fraction support. Learn number tables and basic math with shape-based addition and subtraction.

    ★ 5.03 ratingsEducationFreeData updated 2026-09-06
  7. Decimal & Fraction Calculator app icon

    Decimal & Fraction Calculator

    Grant Thompson

    Calculate fractions and decimals with precision

    Perform calculations with fractions, decimals, and repeating decimals using order of operations. Enter fractions with blue buttons for whole numbers and green buttons for numerators over denominators.

    ★ 4.26 ratingsEducation$1.99Data updated 2026-09-06
  8. NBack for iPad app icon

    NBack for iPad

    Yasuyoshi Ota

    Train working memory with NBack exercises.

    The app trains working memory through N-back exercises. Users can select challenges from 1-back to 10-back to improve cognitive function.

    ★ 5.01 ratingsEducation$2.99Data updated 2026-09-27

How we rank alternatives

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