Master Music Theory with Allegretto
Tracked since 4/14/2026
No active subscriptions
200 followers on 𝕏
Modern tech-enabled ticketing/going-out platform, being able to book events, movies and restaurant tables.
Revenue (30d)
$503k
MRR
$0
Total
$1.1M
DataExpert.io is a data engineering education company that empowers data engineers to level up their skills and become content creators as well!
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RevenueCat. Tracked since Apr 14, 2026.Last updated: Jun 29, 2026, 12:09 AM
Master music theory with Allegretto — a structured, progressive curriculum covering Level 1 through 5.
Guides users step by step in learning music theory with clear explanations, interactive notation examples, quizzes, and spaced-repetition flashcards.
Revenue (30d)
$91k
MRR
$59k
Total
$4.4M
Tech stack
Frontend
Backend