Royal Kingdom vs Sudoku.com - Number Games

How do Royal Kingdom and Sudoku.com - Number 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.com - Number Games
Genre	Puzzle	Puzzle
Price	Free	Free
Difficulty	hard	variable
Ad intensity	high	high
In-app-purchase pressure	high	high
Typical session	variable	medium
Rating	4.7 / 5	4.8 / 5
Ratings count	1,055,223	1,834,572
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 Brain-stimulating puzzle variety and challenge levels Useful hints and auto-check features reduce frustration Leaderboard competition adds replayability Common complaints Excessive mid-game ads interrupt play frequently (every few moves/box completions) Ad close buttons malfunction or render off-screen, forcing app restart Aggressive ad-removal pricing ($14-20) feels exploitative

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.com - Number Games — A brain-training sudoku puzzle game with thousands of classic puzzles across difficulty levels, marred by relentless mid-game advertising. (rated variable difficulty, high ad pressure)

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