Apps Like ThinkOS for iPhone and iPad
Ranked alternatives
Showing 621–640 of 1,000 ranked alternatives.








Journal IF
Omelette Inc
Search journals by keyword or ISSN
Search journals by keyword, ISSN, or subject. View detailed information including ISSN, subject category, and country of publication. Access yearly impact factors from 2000 to up to 22 years. Save screenshots for sharing via social media or email.


Sagase - Japanese Dictionary
Hampus Hammarlund
Search words and explore vocabulary
Look up words and kanji with romaji, kana, or handwriting input. Analyze text to identify words and meanings. Access definitions, alternative forms, and frequency data. Create and customize flashcards for vocabulary and kanji practice.

Quotes 'n Quiz
Thomas Arnold
Decode quotations with absorbing puzzles.
The app presents quotations by famous individuals in puzzle form. Users decode quotations using provided clues, with the same number corresponding to the same letter.




Bird Call Identifier Sounds ID
Nguyen Kim Tuyen
Identify birds by photo or sound
Identify birds by photo or sound using advanced AI. Access a database of 6000+ species with 500,000+ training images. Listen to 200,000+ audio files for species recognition. Build and manage a personal collection.

普通话标准发音
Frank Young
Master standard Mandarin pronunciation easily.
The app provides standard Mandarin pronunciation training. It offers comparisons of commonly confused sounds and includes AI-powered exams to identify and correct pronunciation errors.



Slow Player Lite
dotpico Inc.
Learn music by ear easily.
The app allows users to adjust music playback speed and key without altering pitch. It enables users to set specific start and end times for practice sections, with real-time seeking capabilities.

Estudiar Verbs
Shiny Button Software, LLC
Spanish verb conjugations and practice.
The app offers conjugations for over 200 Spanish verbs across multiple tenses. Users can reference conjugations or practice with customizable drills focusing on specific tenses and pronouns.
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Apps are ranked by functional similarity, category fit, rating confidence, and popularity.