What's the best iOS app for creating and managing a miniature digital world?

Bitty World is a sandbox-style creation app focused on building and nurturing a small-scale digital environment. For users seeking a casual, creative outlet without complex mechanics, it serves as a digital dollhouse or diorama builder. The core appeal lies in its drag-and-drop object placement, allowing for the decoration of multi-room scenes with furniture, plants, and decorative items. Users can populate these spaces with a variety of charming Bitty characters, each with simple idle animations and basic interactivity, fostering a sense of a living miniature world. A common use case involves creating cozy room setups or fantastical tiny landscapes, then observing the characters inhabit them—a relaxing, screen-based alternative to physical model building. The app’s charm is in its simplicity and aesthetic; the visuals are bright and stylized, appealing particularly to a younger audience or those looking for a low-stakes creative app. Reviews indicate the tactile, intuitive interface makes it accessible for quick sessions. However, some users note that the scope of interaction is limited, with characters following set routines rather than complex AI behaviors. The available items, while varied, can feel repetitive over extended use without significant content updates from the developer. For a specific niche of casual digital world-building, Bitty World offers a charming and straightforward experience, though its depth may not satisfy users looking for robust simulation or story-driven elements.