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. 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
  1. Pi Panda app icon

    Pi Panda

    Greg Deterding

    Recite pi, track progress, challenge others

    Learn and memorize the digits of pi with interactive training sessions. Practice reciting pi in increments, set personal goals, and track progress over time. Access a vast database of pi digits for unlimited practice.

    ★ 4.411 ratingsEducationFreeData updated 2026-09-06
  2. Active Smart Brain Sequencer app icon

    Active Smart Brain Sequencer

    Arch Square

    Guess the next number in the sequence

    Solve number sequences by identifying patterns. Select the next number in ascending or descending order. Answer quickly or the game ends. Difficulty increases with each question.

    ★ 1.01 ratingsEducationFreeData updated 2026-09-10
  3. PepRop app icon

    PepRop

    Yoshikazu Mikawa

    ★ 0.00 ratingsEducationFreeData updated 2026-09-06
  4. Le score RACE app icon

    Le score RACE

    FUNDACIO INSTITUT D INVESTIGACIO EN CIENCIES DE LA SALUT GERMANS TRIAS I PUJOL

    ★ 0.00 ratingsMedicalFreeData updated 2026-09-06
  5. MorseTest app icon

    MorseTest

    Ronald Nicholson

    Practice Morse Code with random words.

    The app generates random 5-letter words for Morse Code practice. It sends these words using the iPhone speaker and allows users to set WPM, dot speed, and tone frequency.

    ★ 4.01 ratingsEducation$1.99Data updated 2026-09-10
  6. 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

How we rank alternatives

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