# Ouat : AI Diary Journal — #1 Chat Ask Second Brain > AI-powered personal journal for mood tracking, habit building, and self-discovery. (iPhone/iPad app by Duc Hoan Nguyen.) - Source: https://appshunter.io/ios/app/ouat-ai-diary-journal/id6670152537 (this page in markdown: same URL + `.md`) - Developer: [Duc Hoan Nguyen](https://appshunter.io/developer/1688921271) - Category: Lifestyle, Productivity - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 13.0 · 103 MB - Languages: English - Released: 2024-08-28 - Data updated: 2026-06-06 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/ouat-ai-diary-journal/id6670152537/reviews.md ## What is Ouat? Step into your story with OUAT (Once Upon A Time), the ultimate personalized journal app designed to help you capture life’s moments, big and small. Whether it’s the places you’ve visited, events you’ve attended, people you’ve met, or the things you love and aspire to, OUAT lets you track it all. With AI-powered reflection tools, OUAT not only helps you document your day but also enhances your mental health and wellness. Embrace daily habits, track your mood, and nurture your well-being with insightful reflections tailored just for you. OUAT is more than just a journal—it’s your companion on the journey to better mental health and self-discovery. Key Features: • Daily Reflection: Track your mood and experiences every day. • Personalized Insights: Get AI-powered reflections tailored to your journey. • Habit & Wellness Tracker: Build and maintain healthy habits. • Mood & Mental Health Support: Prioritize your mental well-being with personalized tips. • AI Chat: Engage in meaningful conversations that promote self-awareness. Start your journey with OUAT and turn your daily moments into a beautiful narrative. Term of use : Policies : https://privacy-policy-ouat.web.app/ Terms : https://terms-of-service-ouat.web.app/ ## Key features - Daily mood and experience tracking - AI-powered personalized reflections - Habit and wellness tracker - Mental health support and tips - AI chat for self-awareness ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Ouat Monthly Premium | $5.99 | per month | | Ouat Weekly Premium | $2.49 | per 7 days | ## Recent user reviews (4 of 4) All indexed reviews: https://appshunter.io/ios/app/ouat-ai-diary-journal/id6670152537/reviews.md ### 5/5 — Team não cá vàng tải ngay 😙 *2024-11-29, version 2.0.5* Não mình thuộc dạng siêu “cá vàng,” hay quên lung tung, kể cả chuyện mới xảy ra hôm qua. May mà có OUAT, mọi khoảnh khắc đều được giữ lại gọn gàng. Nhờ app mà giờ mình có cả một “bộ sưu tập” kỷ niệm nè. App siêu xịn! OUAT đúng kiểu sinh ra cho mình luôn, tự động lưu giữ lại mọi khoảnh khắc mà không cần suy nghĩ nhiều. Rất tiệnn, cảm giác như có người bạn ghi nhật ký hộ vậyy 🤭 ### 5/5 — Ngon nha *2024-11-09, version 2.0.4* 10 dd k có nhưng ok lắm đó ### 5/5 — Love it *2024-09-12, version 1.0.1* Easy to use. Help me save my memories. My memory is so bad but OUAT helps me remember everything ❤️ Thank you Creator 😍 ### 5/5 — Good AI Journal App *2024-08-30, version 1.0.0* Save my memories as second brain. Love Ouat <3 ## Frequently asked questions about Ouat ### What is Ouat's primary function? Ouat is an AI-powered journaling app designed to help users capture life's moments, track their mood, build habits, and enhance their mental well-being through personalized reflections and AI conversations. ### What are the subscription options for Ouat? Ouat offers a weekly premium subscription for $2.49 and a monthly premium subscription for $5.99, which includes a 3-day free trial. These plans unlock advanced features and personalized insights. ### Is Ouat suitable for all ages? Ouat has an age rating of 4+, making it accessible to a wide range of users. The app focuses on general well-being and self-reflection. ### On which devices can I use Ouat? Ouat is available on iPhone, iPad, and iPod. It is designed to be used across various Apple mobile devices. ### How often is Ouat updated? The latest version of Ouat is 2.0.6, and it was last updated on September 14, 2025. This indicates a commitment to regular updates and improvements. ### Does Ouat have ads? No, Ouat does not contain advertisements. The app is free to use with optional in-app purchases for premium features. ### What kind of AI features does Ouat offer? Ouat utilizes AI for personalized reflections based on your journal entries and offers an AI chat feature. This AI chat is designed to promote self-awareness and engage in meaningful conversations. ### Can I track my progress with Ouat? Yes, Ouat includes a habit and wellness tracker that allows you to build and maintain healthy habits. The app also provides personalized insights to support your journey. ## Version history (last 5 releases) ### 2.0.6 — 2025-09-14 We regularly update Ouat to bring you the latest and most convenient features. Wishing you a joyful and beneficial experience with the app! ### 2.0.5 — 2024-11-19 Open Chat function ### 2.0.4 — 2024-09-23 Open Chat function ### 2.0.3 — 2024-09-21 Upgrade UX ### 2.0.2 — 2024-09-19 Multi language ## Apps similar to Ouat | App | Rating | Price | Category | | --- | --- | --- | --- | | [SiD: Social Interaction Diary](https://appshunter.io/ios/app/sid-social-interaction-diary/id6468776751) | 1.0 (1) | Free | Lifestyle | | [AI Diary: Reply, Voice](https://appshunter.io/ios/app/ai-diary-reply-voice/id6504957098) | 4.0 (1) | Free | Lifestyle | | [Mental Note: AI Mood Diary](https://appshunter.io/ios/app/mental-note-ai-mood-diary/id6460934704) | 1.0 (1) | Free | Lifestyle | | [ParentPal: AI Parenting Coach](https://appshunter.io/ios/app/parentpal-ai-parenting-coach/id6463043510) | — | Free | Lifestyle | | [DailyFox](https://appshunter.io/ios/app/dailyfox/id6747520541) | — | Free | Lifestyle | | [Fujimi Garbage Sorting App](https://appshunter.io/ios/app/fujimi-garbage-sorting-app/id1477298262) | — | Free | Lifestyle | ## More apps by Duc Hoan Nguyen - [CYCB : Expense Money Manager](https://appshunter.io/ios/app/cycb-expense-money-manager/id6449403916) - [Billmate : Income Expense Note](https://appshunter.io/ios/app/billmate-income-expense-note/id6469167381) - [Univer: AI Chat & Photo Solver](https://appshunter.io/ios/app/univer-ai-chat-and-photo-solver/id6477700131) - [AI Note Taker: Voice Track App](https://appshunter.io/ios/app/ai-note-taker-voice-track-app/id6752625606) - [AI Translate: Photo,Text&Voice](https://appshunter.io/ios/app/ai-translate-phototext-and-voice/id6772207825) All apps by Duc Hoan Nguyen: https://appshunter.io/developer/1688921271 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-06.*