Idle 9 Months vs Monster High™ Beauty Salon

How do Idle 9 Months and Monster High™ Beauty Salon compare on difficulty, ad pressure, in-app-purchase pressure and what real reviewers say? A side-by-side look, grounded in App Store data.

	Idle 9 Months	Monster High™ Beauty Salon
Genre	Family	Family
Price	Free	Free
Difficulty	easy	easy
Ad intensity	high	high
In-app-purchase pressure	medium	high
Typical session	variable	short
Rating	4.8 / 5	4.6 / 5
Ratings count	202,756	384,511
Reviews say	What players like Educational content about pregnancy and fetal development Calming, relaxing gameplay Scientifically accurate stages Common complaints Extremely long wait times (9 real months or game-paced equivalent) Intrusive ads every 30 seconds Unclear progression and growth mechanics	What players like Nostalgic Monster High IP appeals to fans Creative makeup and hairstyle tools are fun Custom selfie filters add replay value Common complaints Only 2 characters available for free, rest require payment Excessive ads appear every 5 minutes during gameplay Progress resets when exiting the app

Idle 9 Months — Simulate a realistic 9-month pregnancy journey from conception to birth, learning about fetal development along the way. (rated easy difficulty, high ad pressure) Monster High™ Beauty Salon — Give Monster High characters makeovers with hair, makeup, and fashion tools while creating custom selfie filters. (rated easy difficulty, high ad pressure)

Data: Apple App Store, as of 2026-07-10. Last updated 2026-07-10.