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 501–520 of 1,000 ranked alternatives.

  1. Presidents of USA app icon

    Presidents of USA

    Lars Hansen

    All presidents of the United States.

    The app provides a reference table of United States presidents from Washington to Trump. It includes pictures, names, parties, years in office, and numbers.

    ★ 0.00 ratingsReference$0.99Data updated 2026-10-29
  2. Circus Math School-Toddler kids  learning games app icon

    Circus Math School-Toddler kids learning games

    JP Game LLC

    Learn counting, writing, and math skills.

    The app offers 12 interactive games for children aged 3-7, covering counting, writing, addition, subtraction, and more. Kids learn through play with cute animals in a circus setting, with options to print customized worksheets.

    ★ 4.05 ratingsEducationFreeData updated 2026-10-05
  3. Number Memory 25 app icon

    Number Memory 25

    T&T United Inc.

    Train with daily 30-second challenges

    Train by memorizing and recalling sequences of numbers. Input numbers in order after a short display. Practice daily for 30 seconds to improve retention. Track progress over time.

    ★ 5.05 ratingsEducation$0.99Data updated 2026-09-06
  4. Patrick O'Brian Quotes app icon

    Patrick O'Brian Quotes

    THOMAS HORN

    Quotes from Napoleonic Age novels.

    The app presents random quotes from Patrick O'Brian's Napoleonic novels. Each quote includes a map showing its approximated location and a search function is available.

    ★ 5.04 ratingsEducationFreeData updated 2026-09-12

How we rank alternatives

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