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  • Onsen - AI for Mental Health screenshot 1
  • Onsen - AI for Mental Health screenshot 2
  • Onsen - AI for Mental Health screenshot 3
  • Onsen - AI for Mental Health screenshot 4

About Onsen - AI for Mental Health

Talk through what's on your mind with an AI companion that actually remembers your story. Onsen is a free mental wellness app for chat, journaling, therapy-inspired experiences, and self-awareness, all in a private, non-judgmental space available 24/7. "This app has done more for me in 3 days than my therapist has done in months." 54% of users felt happier within 3 months, measured by the Oxford Happiness Questionnaire. --- WHY PEOPLE USE ONSEN --- - Feel Heard, Not Just Answered Onsen remembers the people in your life, the things you're going through, and the patterns in your thinking. Every conversation builds on the last. - Manage Stress and Anxiety Work through difficult moments with proven techniques like CBT, guided meditations, and reflective journaling. 22% lower stress over time in validated assessments. - Build Self-Awareness Check in on your mood, discover what drives your emotions, and spot recurring patterns. Track your happiness, stress, and gratitude over time with validated questionnaires. - Get Support on Your Schedule No appointments, no waiting rooms. Onsen is there at 2am or on your lunch break, by text or voice, whenever you need it. "Absolutely amazing app. Could honestly be life changing for so many people. To have someone there at the click of a button, any time of the day or night." - Grow at Your Own Pace Develop habits of self-care and mindfulness through regular check-ins, guided experiences, and a journal that captures your progress over time. --- KEY FEATURES --- - AI Chat and Voice Talk or type 24/7. Onsen responds with real understanding, not scripted replies. The more you share, the more personal it gets. - 6 AI Personalities The Coach pushes you forward, The Mindful slows you down, The Solver breaks problems apart, and 3 more. Or design your own custom guide. - Therapy-Inspired Experiences Structured, step-by-step sessions designed for real challenges: clear negative thoughts with CBT, write gratitude letters, try hands-free guided meditations, or just have a reflective conversation. Each one adapts to you. - AI Journal and Artwork Every conversation can become a journal entry, complete with unique AI-generated artwork that reflects your emotions, plus mood analysis, themes, and insights. - Validated Trackers Measure happiness, stress, and gratitude with clinically validated questionnaires (OHQ-8, PSS-10, GQ-6). Repeat them to see real progress. - Pulses: AI That Checks In On You Personalized notifications throughout your day: morning intentions, evening unwinds, pattern insights, streak celebrations, and gentle follow-ups on things you've mentioned. --- WHAT MAKES ONSEN DIFFERENT --- - Not a chatbot. Other apps give you scripts. Onsen gives you a conversation that remembers. - Proven results. 54% felt happier. 22% lower stress. 3x better results with regular use. Based on 18 months of validated assessments. - Private and encrypted. End-to-end encryption, no data sharing, no human reads what you write. - Free to use. Full access to chat, journaling, experiences, and all 6 AI personalities. No credit card needed. "I love the CBT sessions and the chats. I can pull my phone out and have a session any time, like now, 3am in the morning." Download Onsen free. Start talking. Onsen will remember. --- Onsen is a wellness companion designed to support self-reflection, emotional well-being, and mindfulness. It does not provide medical advice, diagnoses, or treatment. The content within the app is for informational and self-improvement purposes only and should not be considered a substitute for professional medical or mental health advice. If you have any health concerns, please consult a qualified healthcare professional.

Ratings & reviews

4.9

47 ratings

5 ★ 96% 4 ★ 2% 3 ★ 2% 2 ★ 0% 1 ★ 0%

What’s new

Version 2.19.0 · Updated October 19, 2026

### What's New in Version 2.19.0 This release brings GPT-6, a choice of personality in every chat, and chats that start from your own journal. - GPT-6. Onsen now runs on GPT-6.1 Sol, OpenAI's latest frontier model, for deeper, more thoughtful replies. - Switch personality in any chat. The message box shows which personality you are talking to. Tap it to pick another for a new chat, or to change part-way through: the next reply comes from the new one. Each reply shows the icon of the personality that wrote it, and Make default keeps your pick for next time. - Personalities with more character. Every personality now comes through more clearly in its replies: its tone, its energy, its humour and the traits it was given. Personalities you made yourself have been rebuilt the same way and keep their names. - Topics from your journal. A new chat now opens with the people, places, organisations and animals you write about. Tap one or more to start a chat about them, tap + more to see the rest, or tap Suggest for Onsen's ideas. Your top topics are on Home too. - Voice input, upgraded. Your words appear in the message box as they are written, with a progress bar. Names from your journal are spelled correctly. A recording can run for up to 5 minutes, with a countdown for the last 30 seconds. If a recording cannot be written up, it is kept so you can try again, and recordings are deleted from your phone once they are written up. - Saving an entry. While Onsen saves an entry, a ring counts down the seconds and bubbles show what Onsen is finding, such as the people and places you wrote about, how you were feeling, and what your entry's picture will show. - Replies say what Onsen is doing: Reading, Recalling or Thinking, and "Still working on it" when a reply takes longer than usual. Replies also appear more smoothly as they are written. - New chats open straight away, and the message box keeps unsent text, photos and picks in each chat until you send them. - A bar shows when you are offline, and a slow connection no longer leaves a screen or sign-in loading forever. - Fixes: a slow start no longer signs you out, check-in buttons show their whole label, emoji at the start of suggestion cards are no longer cut off, a new chat no longer gets stuck as it opens, and Journal shows one filter for each experience. Thanks for being part of the journey.

App privacy

The developer, Onsen AI Limited, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers: Device ID
  • Usage Data: Product Interaction

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Contact Info: Email Address, Name
  • Identifiers: Device ID, User ID
  • Location: Coarse Location
  • User Content: Other User Content

Used for: Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Usage Data: Product Interaction
  • Diagnostics: Crash Data, Other Diagnostic Data

Used for: Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality

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