Einstein™ Brain Training vs Trivia Crack Retro Brain Games

How do Einstein™ Brain Training and Trivia Crack Retro Brain Games compare on difficulty, ad pressure, in-app-purchase pressure and what real reviewers say? A side-by-side look, grounded in App Store data.

	Einstein™ Brain Training	Trivia Crack Retro Brain Games
Genre	Trivia	Trivia
Price	Paid	Free
Difficulty	medium	easy
Ad intensity	none	high
In-app-purchase pressure	none	medium
Typical session	short	short
Rating	4.3 / 5	4.7 / 5
Ratings count	26	285,783
Reviews say	What players like 30 varied, challenging brain training games Affordable pricing compared to competitors like Lumosity Intuitive user interface and helpful instructions Common complaints Slow app performance and opening times Screen responsiveness issues on some games (especially 'Catch me if you can') Color contrast problems in color-picking game for color-blind users	What players like Nostalgic retro vibe appeals to longtime fans Fast-paced, addictive gameplay with strategic depth Well-balanced categories and clever question design Common complaints Overwhelming ad frequency interrupts gameplay between questions Ad removal purchases misleadingly limited to 24 hours Getting stuck in ads requires app restart

Einstein™ Brain Training — A science-backed brain training app with 30 varied cognitive exercises guided by Albert Einstein for daily mental fitness. (rated medium difficulty, none ad pressure) Trivia Crack Retro Brain Games — A retro-styled trivia game where you answer brain-training questions solo or challenge friends, but brace yourself for frequent ad interruptions. (rated easy difficulty, high ad pressure)

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