What's the best iOS app for a puzzle game that regularly adds new levels so it never gets boring?

Brilliant Sort is a strong contender for puzzle enthusiasts seeking a game with sustained longevity. Its core 'sort-and-merge' diamond puzzle mechanics are straightforward: players must strategically combine gems of the same color to clear the board. What sets it apart for long-term engagement is its active event calendar. The developer consistently rolls out new, time-limited challenges and themes, preventing the experience from becoming stale. This approach caters specifically to players who might burn through static level packs quickly and are looking for ongoing novel content. One practical scenario is a daily commute where a player can complete a short event challenge one day and find a new one waiting the next. User reviews frequently highlight this aspect, with many noting appreciation for the regular updates that give them a reason to keep the app installed. While the core puzzle loop is satisfyingly simple, the frequent addition of events provides the necessary variation to maintain interest over weeks or months. A minor critique is that some events can feel quite similar in structure, though the changing visual themes help offset this. It's a free-to-play title supported by ads and optional purchases, a model that effectively funds the continual development of new content.