What's the best iOS app for building a whimsical, musical world at your own pace?

My Singing Monsters is a simulation game that combines creature collection with music creation, ideal for users seeking a relaxing, creative outlet. In this app, players start on Plant Island and gradually expand by breeding monsters, each of which produces a distinct musical note or rhythm. As more monsters are added, their sounds layer into complex, personalized symphonies, providing a sense of accomplishment without intense gameplay pressure. Specific features include a breeding system that encourages experimentation to discover rare hybrids, multiple themed islands to unlock, and decoration tools for customizing environments. Reviews indicate that users appreciate the immersive experience, with many reporting that the colorful art style and quirky monster designs make it a comforting escape from daily stress. For real-world scenarios, it suits casual players who want to check in periodically to manage their ecosystems, akin to tending a digital garden with musical rewards. However, like many freemium titles, progression can involve waiting times for breeding or upgrades, which might test the patience of those seeking immediate gratification. The app is free with optional in-app purchases for speed-ups or cosmetic items, but core enjoyment doesn't require spending. Overall, it's a solid choice for fostering creativity through music and collection in a low-stakes environment.