Apps Like ThinkOS for iPhone and iPad
Ranked alternatives
Showing 381–400 of 1,000 ranked alternatives.



FSC Test Prep
CXI Gaming Inc.
Study questions and access handbook anytime
Study for exams with over 200 randomly generated questions. Access an integrated handbook for review. Track progress and knowledge anytime, anywhere. Set reminders and review materials on the go.

Writing Order Kanji 3rd.
MASAHIRO MIZUTANI
Practice writing Kanji characters with fun.
The app provides a game to practice writing Kanji characters. It includes 200 Kanji characters from the third grade level.

Writing Order Kanji 4th.
MASAHIRO MIZUTANI
Practice writing Kanji characters with fun.
The app provides a game to practice writing Kanji characters. It includes 200 Kanji characters for the 4th grade level, offering a fun alternative to repetitive practice.

Quran Mubin قورئانی ڕەوان
Awder Hama
Read with multiple translations and tafsirs
Read with multiple display formats including electronic, Ottoman, Indopak, and Tajweed. Listen to verses and words separately. Access various translations and 200,000 hadiths. Pray and recite duaas for all occasions. Track Islamic times and holidays.


Chemical Substances: Chem-Quiz
Andrey Solovyev
Learn names, formulas, and structures
Learn with spelling quizzes and structure visuals. Identify formulas, names, and classifications. Explore organic, inorganic, and organometallic compounds. Choose between easy and hard difficulty levels.


Mechanical Formula
Kantaben Gorasiya
Calculate formulas and solve problems
Access engineering formulas and calculations for problem-solving. Input values to compute results. Includes topics like thermodynamics, mechanics, and materials. Supports unit conversions and equation solving. Save and share calculation results.

NIU - Huskie Hub
Northern Illinois University
Search organizations by name or category
Find and join student organizations by name or category. Search for events and activities. Manage organization details, start discussions, and communicate with members through chat features.

Da Dictionary English
Stanimir Karoserov
Extensive English dictionary with encyclopedic data.
The app contains over 200,000 words from an English dictionary. It provides encyclopedic data including information on famous people and buildings.



Aprende Cultura General
Raul Lopez Marchena
Practice general knowledge with varied tests.
The app offers over 200 varied tests covering social sciences, natural sciences, mathematics, and language arts. It includes exam simulations and allows users to challenge questions, with regular updates to the question bank.

EMT Review Plus
Limmer Creative Ventures LLC
Study for NREMT exams and track progress
Study for NREMT or state certification exams with comprehensive EMS content. key concepts, critical thinking skills, and test-taking strategies. Access practice questions, flashcards, and progress tracking tools.

Ali and Sumaya: Let's Pray!
Imanimation Studios Ltd.
Teach children how to pray simply.
The app teaches children how to pray using CG animation, recitation, and 3D visuals. It covers the story of Salah, Wudu, and prayer, with games available via in-app purchase.



How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.