What's the best iOS app for couples to share quiet moments of affection through wearable devices?

totwoo is an iOS app that pairs with companion smart bracelets to facilitate emotional connections between partners, particularly useful for those in long-distance relationships or seeking discreet ways to stay linked. The app allows users to send notifications that trigger vibrations and LED light changes on the paired bracelet, serving as a subtle reminder of affection or thought. For instance, one partner can tap a 'miss you' preset in the app, causing the other's bracelet to buzz and glow, which reviews indicate helps bridge physical gaps during busy days or after arguments. The bracelet itself is noted for its durability, with users reporting it withstands handwashing and accidental drops, adding practicality to emotional use. However, the experience has minor imperfections, such as a 20-character limit for custom messages, which some find restrictive for personalizing expressions. Additionally, while preset emotions like 'thinking of you' are available, user feedback suggests a desire for more varied vibrations and colors to represent different moods, such as sadness or anger. Despite these limitations, totwoo provides a straightforward, tangible way to maintain intimacy, making it a solid choice for couples who value non-verbal communication through wearable tech.