Mental OS
The mind’s fitness companion.
Guided exercises, thought capture and evidence-based techniques to help you build better mental habits and understand how you think. It works completely offline, and everything stays on your device.
iPhone, iPad, Mac, Apple Vision Pro · iOS 15.1+, macOS 12+ on Apple silicon, visionOS 1+

How it works
Four steps, start to finish.
- 1
Check in
Open to your Daily Mindset and a suggested next step.
- 2
Practice
Try a breathing exercise, a grounding technique or a thinking technique in a few minutes.
- 3
Capture
Write down thoughts as they come, then look back for patterns.
- 4
Keep going
Daily challenges, levels and streaks help the habit stick.
Features
What it does
Guided breathing
Box Breathing, 4-7-8 and Calming Breath, paced for you.
Grounding
The 5-4-3-2-1 technique for anxious moments.
Thought capture
Note thoughts as they come, then look back to see your patterns.
Thinking techniques
Evidence-based CBT and ACT exercises, such as reframing, defusion and working from your values.
Daily Mindset
A few small practices each day, with levels, experience points and streaks.
Insights
See your patterns and progress over time.
Mental OS is a self-guided wellness tool, not a substitute for professional mental health care.
Privacy
What you write stays with you.
Works offline
Everything runs on your device. No connection needed.
No data collected
No account, and no personal information collected, stored or sent.
On all your Apple devices
iPhone, iPad, Mac and Apple Vision Pro.
Questions
Good to know
Is Mental OS free?
It’s free to download, with an optional Mental OS Premium upgrade.
Does it collect my data?
No. Your entries stay on your device, and the app works offline.
Is it a replacement for therapy?
No. It’s a self-guided wellness tool, not a substitute for professional mental health care. If you’re in crisis, contact local emergency services or a crisis line, such as 988 in the US.
Which devices does it run on?
iPhone and iPad with iOS 15.1 or later, Macs with Apple silicon and macOS 12 or later, and Apple Vision Pro.
Platforms
iPhone, iPad, Mac, Apple Vision Pro
iOS 15.1+, macOS 12+ on Apple silicon, visionOS 1+