Apps like 下水道管理技術認定試験 | 2026年対策問題
15 alternatives to 下水道管理技術認定試験 | 2026年対策問題 in Education, ranked by our opportunity score from live revenue and download estimates — updated continuously, not a static list.
Duolingo: Language LessonsEducation · $23M–$95M/mo
Simply Draw: Learn to DrawEducation · $4.1M–$17M/mo
Speak & Learn English: LearnaEducation · $2.1M–$8.7M/mo
PictureThis - Plant IdentifierEducation · $660k–$2.7M/mo
ClassDojoEducation · $630k–$2.6M/mo
Toca Boca World: Game & PlayEducation · $460k–$1.9M/mo
Sight Words Reading Games ABCEducation · $420k–$1.8M/mo
Simply Guitar - Learn GuitarEducation · $410k–$1.7M/mo
Toca Boca Jr: Fun Kids GamesEducation · $390k–$1.6M/mo
Quizlet: More than FlashcardsEducation · $360k–$1.5M/mo
ArtWorkout: Learn How to DrawEducation · $350k–$1.5M/mo
Gauth: AI Study CompanionEducation · $300k–$1.3M/mo
Keiki Learning games for KidsEducation · $270k–$1.2M/mo
Coloring Games for Kids 2-6!Education · $260k–$1.1M/mo
IQ Boost: Brain Trainer, GamesEducation · $220k–$890k/mo