Calm Harm – manage self-harm icon
Clear Fear icon
Combined Minds icon

Stem4

For teenagers and young people (11-19) struggling with anxiety or self-harm, often supported by parents or clinicians.

3apps4.2(3K)Health & Fitness

Snapshot

Who is Stem4?

Providing clinician-led mental health tools designed to help young people manage anxiety and self-harm through evidence-based frameworks.

Target audience

TeenagersYoung people (11-19) struggling with anxiety or self-harmOften supported by parents or clinicians

Top rival

247 Labs

Other rivals

Portfolio

Free 2
3
apps
Health & Fitness3

Last updated

Calm Harm – manage self-harm

v6.0.4

1.1y ago

Steady

Publisher DNA

What defines Stem4?

Publisher DNA

Primary focus

Clinical mental health tools for youth

Scale

indie

Target audience

Teenagers and young people (11-19) struggling with anxiety or self-harm, often supported by parents or clinicians.

Origin

Developed by a clinical psychologist for the charity stem4.

Signature Patterns

  • •Integration of clinical frameworks such as Dialectical Behaviour Therapy (DBT) and Cognitive Behavioural Therapy (CBT).
  • •Commitment to a 100% free access model with no monetization or in-app purchases.
  • •Targeted interventions for the 11-19 age demographic focused on emotional regulation and resilience.
Steady

Portfolio momentum

Released 3 updates across 2 apps in the last 6 months, with the most recent major update occurring 37 days ago.

Last release 37d agoActive apps 2

Company profile

low confidence
Headquarters
United Kingdom

Portfolio

What does Stem4 ship?

Apps

3 apps analysed

Calm Harm – manage self-harm icon
Calm Harm – manage self-harm

Calm Harm provides tasks that help you track & resist self-harm urges

4.3(2.6K)

DBT-informed methodology functions as a clinical brand moat

  • Evidence-based distraction techniques provide immediate relief for users managing intense self-harm urges
  • Inflexible timer settings during breathing exercises create unnecessary pressure for users seeking calm
Clear Fear icon
Clear Fear

Clear Fear provides you with a range of ways to manage anxiety

4.1(430)

Analysis in progress

Single-market publisher, every app ships only to United States.

Based on 2 of 3 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States2 / 2

Core markets (2/2 apps)

United States

User Sentiment

How do users feel about their apps?

1

Positive apps

0

Neutral / mixed

0

Negative apps

82/100

Avg sentiment score

Rivals

Who does Stem4 compete with?

The rivals identified

Nemeses(2)

Inquiry Health

known forClarity: CBT Self Help Journal

2 apps4.8Health & Fitness

Both apps utilize Cognitive Behavioural frameworks to manage anxiety, creating direct competition for users seeking evidence-based mental health tools.

Wired Betterment

known forHarmLess: Self Harm Tracker

1 app4.8Health & Fitness

Both apps target the self-harm recovery segment with free, passcode-protected tools, creating direct competition for users seeking immediate urge-management support.

Contenders(16)

Autistica apps

known forMolehill Mountain

1 app4.7Health & Fitness

Both applications utilize Cognitive Behavioural Therapy frameworks to address anxiety management, creating direct competition for users seeking clinical-based mental health support.

Expert Self Care

known fordistrACT

1 app3.0Health & Fitness

Provides specialized support for self-harm and suicidal ideation, serving a higher-acuity need than Clear Fear.

My Possible Self

known forMyPossibleSelf: Mental Health

1 app4.8Health & Fitness

Both apps provide free, CBT-based toolkits for anxiety and mood management, creating direct competition for users seeking clinical support without subscription costs.

Resiliens

known forUntangle: CBT Companion

2 apps4.4Health & Fitness

Provides an AI-driven CBT experience that acts as a digital coach for thought pattern management.

SilverCloud

known forSilverCloud Health

1 app3.2Health & Fitness

Both apps utilize Cognitive Behavioural Therapy frameworks to address anxiety, creating direct competition for users seeking digital mental health support.

Simply Rooted Media

known forRootd: Panic Attacks & Anxiety

1 app4.8Health & Fitness

Serves as a direct alternative for panic attack management, targeting a broader adult demographic than Clear Fear.

Base11 Studios

known forPresmo: Grounding DBT Skills

1 app4.7Health & Fitness

Presmo competes by offering a broader range of therapeutic modalities and adaptive exercise matching, directly challenging the DBT-focused distraction techniques used in Calm Harm. Both apps target users seeking immediate relief from distress through evidence-based exercises.

Brighter Bite

known forBrighter Bite - ED Recovery

1 app4.8Health & Fitness

Both apps target users managing mental health crises using DBT-based techniques and offer free, ad-free experiences, creating direct competition for users seeking clinical-grade support tools.

Campaign Against Living Miserably (CALM)

known forCALMzone | Anxiety Relief

2 apps4.0Health & Fitness

Both apps provide free, clinician-informed tools for anxiety management, directly competing for users seeking accessible mental health support.

Geert Verschaeve

known forPanic Attacks or Anxiety?

1 app4.8Health & Fitness

Both apps provide free, accessible digital tools for users seeking immediate relief from panic and anxiety symptoms. They compete directly for the same user base looking for non-clinical or clinician-led intervention methods.

Grassroots Suicide Prevention

known forStay Alive

1 app3.5Health & Fitness

Both apps target users in acute mental health distress, creating a shared user base seeking immediate crisis intervention tools for self-harm and suicide prevention.

Jackson Tempra

known forWhat's Up? A Mental Health App

1 app3.7Health & Fitness

Both apps provide free, CBT-based anxiety management tools, creating direct competition for users seeking accessible mental health support.

Nepanikar z. s.

known forDon't panic!!!

1 app4.8Health & Fitness

Both apps compete for users seeking free, self-guided digital tools to manage anxiety and panic symptoms. They overlap in their provision of interactive breathing exercises and anxiety-focused educational content.

PSYT

known forAnxiety Solution & Relief

3 apps4.7Health & Fitness

Both apps compete for users seeking accessible anxiety management tools, targeting the same mental health relief category through free mobile platforms.

SIARHEI MASKVIN

known forAnxiety, Panic & Stress Relief

1 app4.8Health & Fitness

Both apps target users seeking immediate relief from anxiety and panic symptoms through free, accessible digital toolkits.

WorryTree

known forWorryTree: Anxiety Relief

1 app3.7Health & Fitness

Both apps target users seeking evidence-based mental health tools, specifically focusing on anxiety and self-harm management through structured, clinical frameworks.

Same space(29)

247 Labs

known forMindShift CBT - Anxiety Relief

1 app3.5Health & Fitness

Directly competes with Clear Fear as a free, evidence-based CBT resource for anxiety management.

BMD Publishing

known forDare: Panic & Anxiety Relief

1 app4.8Health & Fitness

Provides a structured training program for anxiety, competing for users seeking evidence-based relief beyond standard CBT.

LifeLift

known forKozy: Anxiety Relief Games

1 app4.8Health & Fitness

Uses AI-driven conversational support to manage anxiety, offering a more interactive alternative to static CBT tools.

Luna Life

known forluna: teen health & period app

1 app4.1Health & Fitness

Targets the same adolescent demographic as Clear Fear but focuses on holistic teen health rather than anxiety alone.

Pinecone Labs

known forStress Ball - Anxiety Relief

1 app4.8Health & Fitness

Offers sensory-based coping mechanisms that complement the CBT tools found in Clear Fear.

199 Developments Private

known forMood & Mental Health Tracker

1 app4.8Health & Fitness

Mood & Mental Health Tracker adds an analytical layer by correlating life triggers with mood, expanding on the basic logging in Calm Harm.

Benjamin Fox

known forDBT Pal: Diary Card & Skills

1 app4.4Health & Fitness

DBT Pal focuses on rapid diary card entry, providing a utility-focused bridge to clinical review for therapy patients.

Benjamin Robinson

known forAnxiety Relief: Find Your Calm

1 app4.5Health & Fitness

Offers a non-commercial, free alternative for anxiety management with hardware-integrated features.

Brandon Domack

known forPanicHaven - For Panic Attacks

1 app3.3Health & Fitness

Uses AI-driven conversations to provide immediate relief during panic attacks.

Calm.com

known forCalm

1 app4.8Health & Fitness

Calm serves as a high-production alternative for users seeking general stress management rather than clinical self-harm intervention.

Daniil Sugonyaev

known forMindHealth: Mental Health CBT

1 app4.8Health & Fitness

Focuses on CBT journaling and psychological testing to help users track their mental health progress.

Durham DBT

known forDBT Diary Card & Skills Coach

1 app3.8Health & Fitness

DBT Diary Card & Skills Coach provides a paid, clinical-grade alternative for users requiring deep DBT adherence.

Etienne Dupuis

known forHuggers: Panic Attack Relief

1 app4.3Health & Fitness

Provides immediate panic relief through a dedicated button, similar to the tools in Clear Fear.

Evan Rosson

known forFreeCBT

1 app4.8Health & Fitness

FreeCBT provides an open-source thought diary, offering a transparent alternative for users focused on CBT techniques.

Ggtude

known forOCD.app - Self help + Therapy

2 apps4.7Health & Fitness

Targets similar mental health conditions but faces retention challenges due to technical and monetization friction.

HA | Wisdom Wellbeing

known forWisdom Wellbeing

1 app0.0Health & Fitness

Wisdom Wellbeing provides a gated B2B service for employees, contrasting with the open-access, non-profit model of Calm Harm.

Hedgehog Solutions SIA

known forAnxiety Relief: Calmer

1 app4.6Health & Fitness

Provides a comprehensive anxiety toolkit that includes nervous system regulation and AI chat support.

Henry Lightfoot

known forBifocal: Your DBT Companion

1 app5.0Health & Fitness

Bifocal provides a comprehensive DBT toolkit with iCloud-based data security, catering to users who prioritize privacy and data ownership.

MindDoc Health

known forMindDoc: Mental Health Support

1 app4.2Health & Fitness

MindDoc provides a structured clinical tracking layer for users who need more than the distraction techniques offered by Calm Harm.

museLIVE

known forQuabble: Daily Mental Health

2 apps4.8Health & Fitness

Quabble aggregates multiple wellness tools into one interface, offering a broader scope than the focused utility of Calm Harm.

Persona Growth

known forTrauma Test, Personality Tests

1 app4.5Health & Fitness

Offers diagnostic assessments that help users identify their mental health profile before starting intervention programs.

POP POP

known forSimple DBT Skills Diary Card

1 app4.3Health & Fitness

Simple DBT Skills Diary Card focuses on the tracking aspect of DBT, serving as a lightweight alternative to Calm Harm.

Positive Rewards

known forSorted : Mental Health

2 apps2.8Health & Fitness

Uses upstream CBT to promote positive mental health through relaxation and visualization techniques.

Sarah Taylor-Cavelier

known forRadically DBT

1 app5.0Health & Fitness

Radically DBT provides an interactive skill-stacking system, offering a more dynamic way to practice DBT than the fixed timers in Calm Harm.

SuperBetter

known forSuperBetter: Mental Health

1 app4.7Health & Fitness

SuperBetter uses game design to build resilience, offering a different psychological framework than the DBT-based approach of Calm Harm.

Tellmi

known forTellmi: Better Mental Health

1 app4.0Health & Fitness

Offers a moderated peer support environment that serves as an alternative to the self-guided tools in Clear Fear.

Unstuck Developments

known forUnstuck: CBT Therapy Journal

2 apps4.8Health & Fitness

Uses CBT journaling to help users manage anxiety and depression through structured thought processing.

Woebot Labs

known forWoebot: The Mental Health Ally

1 app3.4Health & Fitness

Woebot offers AI-driven support for users who require partner-sponsored access to clinical therapy techniques.

Wysa

known forWysa: Mental Wellbeing AI

1 appHealth & Fitness

Wysa provides an AI-powered conversational interface for daily mental health maintenance, complementing the manual tools in Calm Harm.

New entrants(2)

Mariana Tsakova

known forStop Panic – Panic Attack Help

1 app0.0Health & Fitness

Focuses on immediate panic attack intervention through guided audio support.

witty apps

known forDBT Diary Card & Skills Log

1 appHealth & Fitness

DBT Diary Card & Skills Log emphasizes session preparation for care teams, offering a more formal reporting structure than Calm Harm.

The Analyst's Read

The bottom line on Stem4

Bottom line

Stem4 is a high-trust non-profit publisher successfully bridging the gap between clinical psychology and mobile UX. Their weighted 4.28★ rating across a focused portfolio reflects strong product-market fit within the youth mental health sector.

Frequently asked questions

How many apps does Stem4 publish?
Stem4 has 3 apps tracked by Marlvel, primarily in the Health & Fitness category.
Where is Stem4 based?
Stem4 is based in United Kingdom.
What kind of apps does Stem4 make?
Stem4's portfolio is concentrated in Health & Fitness, with an average rating of 4.2/5 across rated apps.
What is Stem4's top app?
By review volume across the portfolio, Calm Harm – manage self-harm is Stem4's best-known app tracked by Marlvel.
In how many countries are Stem4's apps available?
Marlvel has tracked Stem4's apps across 1 country.

What fed this analysis

Apps analyzed:
2
With full intel:
0
With overview:
2
Website scraped:
yes
Social presence:
yes

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Stem4, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Stem4 intelligence.” Updated 2026-04-23. https://marlvel.ai/publishers/stem4

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Data licensed under CC-BY-NC 4.0