--- title: "Heart Zoo - Mood Journal — App Overview" url: https://marlvel.ai/intel-report/lifestyle/heart-zoo-mood-journal category: Lifestyle developer: 小祯 汪 platforms: ios rating: 5.0 (1 ratings) pricing: free report_level: overview generated: 2026-05-04 last_verified: "2026-05-04T09:29:34.747Z" --- > **Key Insight:** Heart Zoo differentiates itself by gamifying the journaling experience through empathetic, character-based interactions. | Metric | Value | |--------|-------| | Category | Lifestyle | | Rating | 5.0 ★ (1) | | Pricing | free | | Platforms | iOS | | Latest Version (iOS) | 2.0 | | Developer | 小祯 汪 | ## What is Heart Zoo - Mood Journal? Heart Zoo is a mood journaling app that allows users to document their emotional state by writing letters to a cast of seven unique animal characters. The app provides a supportive, non-judgmental environment where users receive personalized responses from these personas to help process their feelings. ## Key Features - **Letters to Animal Friends**: Users can select from 12 mood types to write digital letters that are sent to a virtual zoo. - **Personalized Animal Replies**: The app features seven distinct animal personalities, such as Grandma Owl and Little Fox, that provide tailored responses to user entries. - **Time Capsule**: A historical archive that allows users to revisit their emotional journey via timeline, search, or calendar views. ## Who is it for? Individuals seeking a gentle, character-driven digital space for emotional expression and self-reflection. ## Links - [App Store](https://apps.apple.com/us/app/heart-zoo-mood-journal/id6757285713?uo=4) - [Full Intelligence Report](https://marlvel.ai/intel-report/lifestyle/heart-zoo-mood-journal) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/lifestyle/heart-zoo-mood-journal).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*