Apps like Red Sheet: PDF Red Filter
15 alternatives to Red Sheet: PDF Red Filter in Education, ranked by our opportunity score from live revenue and download estimates — updated continuously, not a static list.
Duolingo: Language LessonsEducation · $10M–$35M/mo
Speak & Learn English: LearnaEducation · $960k–$5.2M/mo
Simply Draw: Learn to DrawEducation · $850k–$4.6M/mo
Lingokids: Games & ShowsEducation · $550k–$3.0M/mo
Sight Words Reading Games ABCEducation · $530k–$2.9M/mo
ABCmouse: Kids Learning GamesEducation · $470k–$2.6M/mo
Proloquo2Go AACEducation · $260k–$4.4M/mo
Toca Boca World: Game & PlayEducation · $420k–$2.3M/mo
Early Learning AcademyEducation · $360k–$2.0M/mo
PictureThis - Plant IdentifierEducation · $320k–$1.8M/mo
Quizlet: More than FlashcardsEducation · $250k–$1.4M/mo
Simply Piano: Learn Piano FastEducation · $220k–$1.3M/mo
Toca Boca Jr: Fun Kids GamesEducation · $220k–$1.3M/mo
ClassDojoEducation · $210k–$1.2M/mo
Aha World: Avatar & Family FunEducation · $210k–$1.2M/mo