Royal Kingdom vs Sudoku - Brain Puzzle Games

How do Royal Kingdom and Sudoku - Brain Puzzle 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.

	Royal Kingdom	Sudoku - Brain Puzzle Games
Genre	Puzzle	Puzzle
Price	Free	Free
Difficulty	hard	variable
Ad intensity	high	high
In-app-purchase pressure	high	low
Typical session	variable	medium
Rating	4.7 / 5	4.8 / 5
Ratings count	1,133,970	309,141
Reviews say	What players like Relaxing, chill gameplay for casual players High-quality graphics and visuals No forced ads in core gameplay (per some reviews) Common complaints Deceptive advertising - game differs significantly from promotional materials Requires heavy spending to progress past higher levels (400+) Aggressive IAP pressure with constant monetization pop-ups	What players like Smooth gameplay and polished interface 5000+ puzzles across multiple difficulty levels Helpful features like hints, notes, and undo/redo Common complaints Excessive ads between games and mid-gameplay interruptions Long, unskippable ads that frustrate players Misleading ads pretending to be app updates

Royal Kingdom — A colorful match-3 puzzle adventure where you rebuild kingdoms and battle the Dark King, but beware the aggressive monetization and misleading ads. (rated hard difficulty, high ad pressure) Sudoku - Brain Puzzle Games — A relaxing yet challenging Sudoku puzzle game with thousands of handcrafted puzzles, undermined by aggressive ad monetization. (rated variable difficulty, high ad pressure)

Data: Apple App Store, as of 2026-09-22. Last updated 2026-09-22.