Apps Like Collatz Explorer for iPhone and iPad
Ranked alternatives
Showing 41–60 of 1,000 ranked alternatives.



Arabic Alphabet Quran letters
Anvar Khamidullin
Learn with interactive lessons
Learn to read and write through an interactive course divided into 27 lessons. Each lesson focuses on one letter, including descriptions, examples, writing forms, and pronunciation. Complete lessons to build reading skills.






Phonics Games PreK to Grade 2
5 YEAR OLD READING LLC
Learn with interactive
Teaches through interactive and activities. Helps identify sounds, blend syllables, and read simple words. Includes progress tracking and customizable difficulty levels for to 2 learners.

Rhythm Skydiving 101
Rhythm Skydiving LLC
Learn to skydive with videos and flashcards
Learn techniques with instructional videos, diagrams, and flashcards. Access audio recordings and documents for pre-jump preparation. Review procedures for dropzone arrival and group jumps. Track progress through interactive content.



Simoo
Code Redman Ltd
Tap cows to repeat the sequence
Play a Simon says style game with cows. Tap cows in the correct sequence after watching and listening to their moos. Track progress and replay sequences to improve memory.

Toddler Counting Free
kin wah Cheng
Count objects and learn numbers
Teaches basic with interactive photos of objects like fruits and cars. Numbers speak aloud as children count. Objects gray out on first touch and numbers display alongside.


Arabic Alphabet Easy
Bothina Elzoobi
Learn letters with exercises and words
Learn with 28 letters and 200 words. Practice pronunciation, write letters, and recognize words with letters in different positions. Complete puzzles, learn numbers, clock, colors, and shapes. Practice writing and dictation exercises.


Flash Reader
Didstopia
Read text quickly without subvocalization
Enables rapid text reading by displaying words sequentially to prevent subvocalization. Users can adjust reading speed, customize fonts and backgrounds, and highlight key text. Export content as text or PDF and share directly.

SmartFriends - Brain Training
SmartFriends B.V.
Play puzzles, challenge friends, boost brainpower
Play daily IQ challenges with friends to keep minds sharp. Track progress, compare scores, and compete in real-time. Share results, invite new players, and unlock achievements through collaborative problem-solving.

Kakuro u
The Chess Solitaire Sudoku Factory Ltd
Logic puzzle game with unique features.
The app offers unlimited Kakuro puzzles with unique features like bookmarks and a combo calculator. It includes multiple hint types and six difficulty levels for daily brain training or relaxation.
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