My Singing Monsters vs Sonolus

How do My Singing Monsters and Sonolus compare on difficulty, ad pressure, in-app-purchase pressure and what real reviewers say? A side-by-side look, grounded in App Store data.

	My Singing Monsters	Sonolus
Genre	Music	Music
Price	Free	Free
Difficulty	easy	hard
Ad intensity	low	high
In-app-purchase pressure	high	low
Typical session	variable	variable
Rating	4.8 / 5	3.8 / 5
Ratings count	961,614	992
Reviews say	What players like Fun and addictive gameplay Great music and monster designs Relaxing and creative building experience Common complaints Requires excessive spending for progression Monster and resource prices too expensive Tedious grinding and time-gating	What players like Huge song library and custom chart creation Great alternative to Project SEKAI with more songs Unpredictable gimmick levels keep gameplay fresh Common complaints Ad after every single song plus on restart Tap input frequently misses or doesn't register Confusing hexagon interface layout

My Singing Monsters — Breed and collect musical monsters to create your own harmonic paradise across dozens of islands. (rated easy difficulty, low ad pressure) Sonolus — A customizable rhythm game with massive song library where you create and share your own charts, but plagued by aggressive ads and technical issues. (rated hard difficulty, high ad pressure)

Data: Apple App Store, as of 2026-08-24. Last updated 2026-08-24.