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Calm Harm Logo

Calm Harm

This is a Claimed service This service is Free to use
Delivered by: stem4
This is a Claimed organisation
Last updated: 24/06/2025

Worried about self-harm?

Calm Harm is a free* app that helps you manage or resist the urge to self-harm.

The urge to self-harm is like a wave. It feels the most powerful when you start wanting to do it.

Join over 4 million users and learn to ride the wave with the free Calm Harm app by choosing activities from these categories: Comfort, Distract, Express Yourself, Release, and Random.

There is also a breathing technique to help be mindful and stay in the moment, regulate difficult emotions and reduce tension.

Calm Harm was developed by Clinical Psychologist Dr. Nihara Krause MBE, in collaboration with young people and uses principles from an evidence-based psychological treatment called Dialectical Behaviour Therapy (DBT).

*stem4’s apps remain free in the UK, but may be charged for elsewhere.

Regions:
  • Scotland

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Virtual

Available on both Google Play and the App Store for free in the UK.
Calm Harm is free to download on Google Play and the App Store for users in the UK.
The Calm Harm app is for use on a smartphone or tablet. The app has been designed to have a small footprint, and generally takes up less storage on a device than similar apps. It also does not require WiFi or mobile data to use.
stem4 is committed to improving the accessibility of our apps by building accessibility best practices into our app development process. AbilityNet has advice on making your device easier to use if you have a disability: https://mcmw.abilitynet.org.uk/ We have used the W3C guidelines for mobile accessibility and overall the Calm Harm app is partially compliant with these guidelines. You can find out more here: https://calmharm.stem4.org.uk/faqs/
Mental Health
Self-Harm
Therapy
Parent and Family Support
Apps
Children and Young People - 13 to 99
Mental health
An example screen of the Comfort activity choices for riding the wave of the urge to self-harm in the Calm Harm app.
The My Usage screen in the Self-Monitoring section of the app; a graph shows the strength of urge to self-harm, and reasons why, over time
An image of the Calm Harm app homescreen, with an example user's streak count.

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