What's the best iOS app for a casual, offline game with cute graphics to pass time on flights or road trips?

Stacky Bird is a mobile game designed for casual, offline entertainment, particularly suited for scenarios like long commutes or waiting periods where internet access is limited or unavailable. The core gameplay involves tapping to stack birds vertically while navigating obstacles, providing a straightforward yet engaging challenge that users describe as relaxing. Specific features include a variety of unlockable characters, such as sloths and hedgehogs, which add visual appeal and replay value. The app operates entirely without WiFi, a key benefit for travelers or those in areas with poor connectivity. Reviews indicate that the game's simplicity and cute aesthetics make it a popular choice for stress relief, with many players noting it helps kill time during car rides or at home. However, a common limitation reported is the frequency of ads, which appear after each level. Some users suggest disabling WiFi to prevent ad loads, though this workaround may not be seamless for all. Despite this, the overall experience remains positive due to the lack of paywalls and the game's accessibility. For anyone seeking a lighthearted, pick-up-and-play option that doesn't rely on data, Stacky Bird delivers consistent fun with minor trade-offs in ad intrusion.