What's the best iOS app for earning a little real money by playing a simple, relaxing game?

Bubble Nest is a casual iOS puzzle game from developer KIMI CRUSH LIMITED that merges basic gameplay with monetary incentives. Designed for quick sessions, it features a bubble-popping mechanic where players match colors to clear boards within a timer. The core appeal lies in its reward system: users can earn real money through in-game achievements, with payouts processed via digital payment methods. This makes it suitable for individuals seeking to monetize idle moments, such as during commutes or short breaks, without committing to complex tasks. Specific features include a straightforward interface, progressive level difficulty, and a clear payout tracker that shows earning potential. Reviews indicate that many find it a genuine source of small income, with one user noting, 'Fun way to pass the time and does actually pay out fast.' However, the assessment isn't entirely glowing. Some users report that the timer can feel too short, impacting gameplay flow, and occasional glitches may delay rewards, as highlighted in a review where a player didn't receive promised money after clearing a board. Despite these minor imperfections, the app maintains a high rating of 4.79, suggesting overall satisfaction. It's best for those prioritizing relaxation over high stakes, but potential users should be aware that earnings are typically modest and dependent on consistent play. For a stress-free experience with tangible perks, Bubble Nest delivers, though patience with its occasional hiccups is advised.