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 101–120 of 1,000 ranked alternatives.

  1. 737 NG FMS Tutorial app icon

    737 NG FMS Tutorial

    Wayforward Technology, LLC

    Learn pre-flight sequences and flight holds

    Learn pre-flight procedures for a Hawaii to Los Angeles flight using a full-featured emulator. Practice holds and alternates rarely used in standard training. Simulate cockpit operations and review detailed flight sequences step by step.

    ★ 4.28 ratingsEducation$29.99Data updated 2026-09-06
  2. Ballet Class app icon

    Ballet Class

    Andrea Piermattei

    Piano music for ballet lessons.

    The app provides piano music for ballet exercises. Users select piano pieces composed by professional pianists, ordered by the traditional sequence of ballet class exercises.

    ★ 3.878 ratingsMusicFreeData updated 2026-09-30
  1. PlayClock3D app icon

    PlayClock3D

    Akiyo Imanaka

    Turn clock hands, tap to listen, switch

    Learn to tell time by interacting with a 3D clock. Rotate clock hands and tap a crab to display and hear the time. Switch between Japanese and English audio using a national flag. Move a character to different locations and change the weather.

    ★ 4.533 ratingsEducationFreeData updated 2026-09-13
  2. Arpeggios on Bass app icon

    Arpeggios on Bass

    Dmitrij Pavlov

    Learn bass arpeggios with detailed guidance.

    The app contains 360 bass arpeggios with inversions and transposition options. It provides fingering, stroke sequences, and right-hand fingerings for each arpeggio.

    ★ 4.716 ratingsMusic$4.99Data updated 2026-10-27
  3. Counting Train app icon

    Counting Train

    Mikhail Magurean

    Trace numbers, match sequences, count shapes

    Learn numbers and through interactive activities. Trace numbers up to 100, match numbers to sequences, and count geometric shapes. Provide feedback on answers and progress.

    ★ 4.412 ratingsEducationFreeData updated 2026-09-18
  4. A.L.E.X. app icon

    A.L.E.X.

    Carmine T. Guida, Inc.

    Program a robot through puzzle levels.

    The app is a puzzle game where users program a robot with commands to complete levels. It helps users think and plan logically, suitable for ages six and up.

    ★ 3.255 ratingsGamesFreeData updated 2026-10-09
  5. PaySchool app icon

    PaySchool

    Services Financiers Etudiants Inc

    ★ 0.00 ratingsFinanceFreeData updated 2026-09-06
  6. MALLETS VOICE LITE app icon

    MALLETS VOICE LITE

    Ars Et Media Srl

    Practice harmony and voicings with exercises

    Learn harmony and voicings with interactive lessons and a library of chords and voicings. Use the Coach to visualize mallet positions. Create and export MIDI sequences. Play chords on vibraphone or keyboard instruments.

    ★ 5.02 ratingsMusicFreeData updated 2026-09-08
  7. CQDX 59 app icon

    CQDX 59

    koji kamogawa

    Practice QSOs with realistic calls and signals

    Simulate amateur radio QSOs with CQ calls and 59 reports. Exchange phonetic call signs with varying signal levels and tone. Adjust own call sign and monitor TX/RX status. Include pseudo signal meter for realistic feedback.

    ★ 5.03 ratingsEducationFreeData updated 2026-09-23
  8. Times Tables Multiplication IQ app icon

    Times Tables Multiplication IQ

    HONETI Filip Serewa

    Learn and division facts adaptively

    Adjusts difficulty based on child's skill level. Focuses on challenging operations. Tracks progress with visual feedback. Uses intelligent repetition for practice. Allows customization of learning intensity.

    ★ 4.1217 ratingsEducationFreeData updated 2026-09-15
  9. Grammar Basics and Advanced app icon

    Grammar Basics and Advanced

    Prachi Pimpalkhare

    Comprehensive English grammar study material provided.

    The app provides English grammar study material covering a wide range of topics. Users can suggest additional topics for future upgrades via email.

    ★ 5.02 ratingsEducation$0.99Data updated 2026-09-15
  10. N'Back 10 app icon

    N'Back 10

    Yasuyoshi Ota

    Improve memory with N'Back training.

    The app offers N'Back training to improve sensory and working memory. It includes multiple modes and tasks to challenge cognitive abilities.

    ★ 5.01 ratingsEducation$2.99Data updated 2026-10-08

How we rank alternatives

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