Apps Like Challenger App for iPhone and iPad
Challenger App screenshots
Ranked alternatives
Showing 641–660 of 1,000 ranked alternatives.


Crosswords Pro
Benjamin Lochmann New Media GmbH
Crosswords puzzles for every aficionado.
The app offers crosswords for various skill levels, from easy to hard. Users can zoom into fields and fill them out using their keyboard.



Hangman: Spanish Edition
Jared Grant
Practice Spanish words with hangman.
The app offers a Spanish language hangman game with adjustable difficulty levels. Users can compete with friends via Game Center and track high scores.





Aviation Corrosion Challenge
Program Executive Office for Enterprise Information Systems, Sea Warrior Program




Loco Score
University of Wisconsin-Madison School of Veterinary Medicine
Score dairy cows for lameness.
The app teaches users how to locomotion score dairy cows for lameness. It provides pictures, video, and verbal descriptions for 3, 4, or 5 category scales, with emailed PDF summaries available.


Basic Math Deluxe
Poh Oon Ng
Learn anytime, anywhere, anytime
A single for multiple age groups, grades, and skill levels. Users can customize features and settings. Access unlimited learning decks. Track progress and adjust difficulty as needed. Provide feedback via email.

Sat® Math Quiz
Eric Tangborn
Take quizzes and review answers
Practice quizzes allow users to take customizable SAT® tests with questions similar to the actual exam. Instant feedback includes detailed explanations and resource links for each answer.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.