Apps Like ThinkOS for iPhone and iPad
Ranked alternatives
Showing 321–340 of 1,000 ranked alternatives.





Birds of Central Park
Aleksandr Bogolyubov
Listen to bird songs and identify species
Explore natural environments with realistic bird sounds. Listen to over 30 bird species and 200 songs. Identify by name and location. Discover and owl sounds. Add new species regularly.


Abc Preschool Learning App
Patel Gaurav
Learn alphabets, numbers, and animals
Learn alphabets, numbers, colors, and shapes through interactive lessons. Explore topics like fruits, animals, and days of the week with visual aids. Practice spelling with shuffle games.

Learn German with Der Die Das
Dmitriy Zanev
Words illustrated cards
Vocabulary illustrated cards and thematic collections. Guess correct articles to earn points. Test memory visual challenges and track progress over time.



Organic Chemistry Practice
Ben DeVries
Learn reactions, draw products, solve mechanisms
Learn with interactive exercises based on a library of reactions. Complete mechanisms by moving electrons, draw products, and guess reactants. Track progress and review detailed explanations.

NCLEX Exam
Koray Salman
Practice questions and review answers instantly
Practice questions with 200 accurate multiple-choice questions. Review detailed answers for each question. Track progress and save time with focused learning.



PMP Practice Test Exam
Koray Salman
Find questions and answers
Access questions and answers created by users. Search for specific topics or exams. Review detailed explanations for each answer. Save and organize questions for later study. Share questions with others for collaborative learning.



JavaScript Recipes
Fedor Obraztsov
Learn programming with code examples
Learn programming with code examples for and SQL. Explore topics like substring extraction, array merging, and database queries. Study SQL joins, sorting grouped data, and data types. Access ready-to-use code from books and trusted online sources.

Orðaleikurinn
Smaforrit ehf
Arrange letters to form words.
The app presents an image and scrambled letters that need to be arranged correctly. It contains over 200 images and words divided into 33 different categories.

HuvudstadsQuiz
Christian Svahn
Answer questions and earn points
A quiz game that asks questions about the capital cities of different countries. Answer correctly and quickly to earn points. Challenge friends and compete for the highest score. View results and track progress over time.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.