Apps Like Collatz Explorer for iPhone and iPad
Ranked alternatives
Showing 61–80 of 1,000 ranked alternatives.


737 Classic FMS Tutorial
Wayforward Technology, LLC
Practice pre-flight sequences and simulate flight scenarios
Learn pre-flight procedures for a flight from Anchorage to Nome. Simulate aircraft systems, practice holds and alternates. Navigate checklists, manage fuel, and handle emergencies in a realistic emulator environment.

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.

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.


Paramedic Airway Review
Limmer Creative Ventures LLC
Study cards, questions, practice exams
Study procedures with 600 items including flashcards, questions, and two practice exams. Topics cover anatomy, intubation, alternate airways, rapid sequence induction, and difficult management.

10 Frame Fill
Randy Hengst
Practice additive 10 Families skills.
The app offers practice recognizing additive "10 Families" by filling a 10 Frame. Users can select sequential or random filling and use contrasting color chips to determine answers.

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.

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.

Data Explorer
A&X Analytics, LLC
Explore datasets, find patterns, analyze variables
Analyze datasets by importing files or entering manually. Apply filters to focus on specific rows. View key statistics and visualizations for each variable. Understand results with plain English explanations of statistical methods.

What Was I Scared Of?
Oceanhouse Media, Inc.
Read, tap, and explore stories
Read books with animated pages and interactive elements. Tap to uncover surprises and hidden stars for activities. Explore vocabulary by tapping words and images. Choose reading modes including narration, self-reading, or auto-play.

Starfall ABCs
Starfall Education Foundation
Learn to read with interactive activities
Teach reading with interactive letter recognition games and phonics activities. Listen to stories and songs. Practice matching letters to sounds. Track progress with built-in feedback and rewards.

Sweep Picking Guitar Arpeggios
Dmitrij Pavlov
Play , create music, share tracks
Learn and practice technique for . Access pre-recorded lessons and exercises. Track progress with practice sessions. Play along with backing tracks and receive real-time feedback. Export performances and share recordings.

Brain Trainer 2 Free - Games for development of the brain: memory, perception, reaction and other intellectual abilities
BELY TIGR. SOFT I PRILOZHENIYA, OOO
Play memory and challenge your mind
Play memory to improve number recall, sequence recognition, and image retention. Complete challenges to enhance focus and mental agility. Track progress and adjust difficulty levels for personalized training.





Mirinae - Learn Korean with AI
Mirinae, Inc.
AI analysis and explanations
By analyzing sentences AI. Translate sentences and break down parts of speech, grammar, particles, and honorifics. Identify idioms and neologisms. View parse trees showing phrases and clauses.

NerdCalc
Nidal Fakhouri
Calculate in binary, hex, and decimal simultaneously
Convert numbers between binary, hexadecimal, and decimal bases. Display all three bases simultaneously. Switch input modes and see results in all bases. Perform arithmetic, logic, and bitwise operations. Support unsigned and 2’s complement numbers.
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