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Three Things A Day is an upcoming happiness/gratitude journal app for iPhone, iPad, and Mac. Its core idea is not long-form writing, but recording three things that made you happy each day, making it easy to build a long-term personal life archive with minimal input. The product also automatically links entries with your photo library by date, helping users look back on life through a calendar, photos, and “on this day in past years” views.
The basic experience focuses on simplicity: open the app, write down three things, optionally add photos, and then browse by year, month, week, or day. The Premium tier adds AI-Powered Search, allowing users to ask natural-language questions about past memories, such as a certain feeling, person, time period, or milestone. The system reads across journal entries and returns direct answers. It also offers Monthly Recaps, which turn a month’s experiences into a narrative summary and provide a score out of 10; Mood Trends helps users observe emotional patterns across months and years.
The official website clearly states that the basic features are “Free, forever.” The Premium subscription costs $29.99/year, includes a 7-day free trial, and renews automatically; the monthly plan is $3.99/month and also renews automatically, with cancellation available in settings. For users who plan to journal long term, the annual price is relatively reasonable. However, since the app has not officially launched yet, the completeness of its actual features and the quality of its AI still need to be verified.
Its main strength is a very restrained habit design: users only need to write three things per day, making it suitable for people who struggle to keep a journal consistently. Automatic photo organization by date reduces the cost of importing and tagging. AI search and monthly recaps also fit the personal journaling use case well. The limitations are also clear: the website does not disclose which AI model is used, whether data is uploaded to the cloud, whether it is used for training, or details about encryption and privacy policies. Support for a Chinese interface, Chinese-language search, and Chinese summaries is also not specified. In addition, there is no visible information about Android, Web, API, export options, or third-party integrations.
It is best suited for Apple ecosystem users who want to build a gratitude journaling habit, record positive emotions, and revisit life through photos—especially those willing to accumulate personal memories over the long term. It is not ideal for users who need serious knowledge management, team collaboration, an open API, or clearly defined privacy and compliance documentation. Availability in mainland China, App Store access, and supported payment methods are currently unknown. Alternatives include Apple Journal, Day One, Journey, Stoic, Reflectly, and domestic Chinese journaling apps.
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