Mental health app development
for sensitive data.

Mental health apps carry data most apps never touch. Diagnoses, therapy notes, substance-use history, a user in crisis at 2am. We build mental health app development to that bar: teletherapy and secure messaging, validated assessments, mood and journaling as structured data, and crisis-safe design from the first screen. HIPAA-aware throughout, and behavioral-health-aware where it matters. For teletherapy startups, digital wellness, and behavioral-health providers.

Scoped estimate in 3 to 5 days. No obligation, NDA on request.

Alex and his team built the core of our Healthcare SaaS. Their grasp of HIPAA and GDPR was crucial for our telemedicine features, and they added AI into the EMR so providers could make better data-driven calls. They know the Microsoft stack and held to WCAG 2.1 throughout. For a healthcare product that needs regulatory care and real engineering, HighCraft.io is the partner you want.
Oleg Shumar

Oleg Shumar

Owner, GetTrusted.io

Selected clients and shipped projects

Who you work with

We have shipped healthcare software under real scrutiny

HighCraft is a senior team that pairs full-stack engineering with applied AI for healthcare, SaaS, and expert-led businesses. We have earned Top Rated and a 100 percent Job Success Score on Upwork, one five-star delivery at a time.

We built a HIPAA-aligned EMR and patient portal for a healthcare wellness platform, with intake, telehealth features, AI lab analysis, and billing, all under real regulatory scrutiny. That is the privacy discipline and the telehealth plumbing a mental health app needs. You work with the engineers who shipped it, not a sales layer in front of them.

2 weeks

idea to working prototype

End to end

prototype to production

Senior

engineers, no handoffs

Behavioral-health data is more sensitive than ordinary health data, and the rules reflect it. We build to HIPAA and, where substance-use records are involved, to the tighter 42 CFR Part 2 consent rules that HHS guidance on HIPAA and mental health sets out. Access control, audit logging, and granular consent are part of the build, not a later patch. The point is simple: a user trusts a mental health app with their worst day, and the software has to earn it.

What we actually build

What a mental health app has to get right

The parts a generic wellness app skips and a real one cannot.

Behavioral-health-grade privacy

HIPAA from the first commit, and 42 CFR Part 2 consent where substance-use records are in scope. Granular consent, audit logging, and encryption, so sensitive notes stay locked down and a user controls who sees what.

Teletherapy and secure messaging

Video visits, async messaging between sessions, and scheduling that fits a clinician's day. We have shipped HIPAA-aware telehealth with Twilio before, so this is routine work, not a first attempt.

Assessments and mood tracking

PHQ-9, GAD-7, journaling, and mood logging captured as structured data, not free text a clinician has to reread. Scores trend over time, so a provider sees the trajectory instead of a stack of separate check-ins.

Crisis-safe design, built in

Risk flags, safety planning, and a 988 escalation path wired in from the start, to the protocol your clinical team defines. We engineer the pathway. The clinical decision stays with the people qualified to make it.

We build the software, not the clinical care

We are the engineering partner. We build the assessments, the teletherapy, and the crisis-escalation pathway to the protocol your clinicians design. We do not provide therapy, and the app is not a crisis service. The clinical model, the duty-of-care decisions, and the crisis protocol stay with your licensed team, and we build the software that carries them out faithfully. If you do not have that clinical model yet, we will say so before the build.

100%

Job Success on Upwork

5.0

Average client rating

Top Rated

Agency on Upwork

11 yrs

Engineering leadership

HIPAA

Aligned delivery

Recognition

Awards and accreditations

Verified on Upwork and recognized by independent agency directories.

DesignRush Accredited Agency 2024GoodFirms Top Web Development CompanyTopDevelopers Top Web Application Developers 2024MobileAppDaily Top Augmented Reality App Development Companies 2025TopDevelopers Top Mobile App Developers 2025GoodFirms Top Mobile App Development CompanyDesignRush Accredited Agency 2024Top Company for Software Development 2023
HIPAA
GDPR
CCPA
HL7 FHIR
WCAG

Built for the rules healthcare runs on. Practices documented, not implied.

Security & trust

AI Prototype Sprint

Validate the workflow before you fund the platform.

A two-week sprint that turns a complex workflow into a working prototype, architecture direction, and a build estimate you can act on.

  • Working prototype
  • Workflow map
  • Architecture recommendation
  • AI opportunity and risk assessment
  • Delivery roadmap
  • Fixed or phased build estimate

Two weeks, one fixed scope. You own everything we build, whether or not you continue.

Week 1

Discover the workflow, build the spine

Week 2

AI where it pays back, then prototype + estimate

Engagement models

Four ways to engage, and a low-risk way to start

We fit the model to the project and the risk, not to our invoice. Most clients start with a two-week discovery sprint that turns the idea into a working prototype and a real estimate, then move into whichever model fits the build.

01

Time and materials

You pay for the hours you use, billed weekly or monthly. The right call when scope is still moving and you want to steer as you go.

02

Dedicated team

A senior team embedded with yours and billed monthly, scaling up or down as the roadmap changes. Built for ongoing work, not a one-off.

03

Fixed price

Agreed scope, agreed price, agreed date. Works when the requirements are already clear and you want certainty before you sign.

04

Fixed milestones

Phased delivery, paid one milestone at a time. A way to take on a larger build and de-risk it stage by stage.

What clients say

Clients trust us with messy, real-world software

From regulated healthcare workflows to payment-heavy platforms and internal business systems, the common thread is delivery that survives production.

Alex and his team built the core of our Healthcare SaaS. Their grasp of HIPAA and GDPR was crucial for our telemedicine features, and they added AI into the EMR so providers could make better data-driven calls. They know the Microsoft stack and held to WCAG 2.1 throughout. For a healthcare product that needs regulatory care and real engineering, HighCraft.io is the partner you want.
Oleg Shumar

Oleg Shumar

Owner, GetTrusted.io

They were absolutely phenomenal. The team put in a lot of work to break down what was required of the project and gave an excellent presentation on the process. I highly recommend them and will be working with them again in the future.
Kayode Leonard

Kayode Leonard

Founder, Project Wolf

Really enjoyed working with HighCraft.io. They are true professionals that know how to get things done. They were hardworking and skillful, exactly what we were looking for.
Maxim Grossman

Maxim Grossman

Executive, Enigmex Technologies

HighCraft team did a great job creating a brand new site for my company, and I am loving it. It is exactly what I wanted and the team were true professionals and very nice to work with.
Alina Virstiuk

Alina Virstiuk

Founder, AwesomeKyiv

What we do

Three ways we turn complex workflows into working software

Start with a prototype, add AI where it creates leverage, or build the full production platform.

Working prototypes

A working prototype built around the real edge cases, so you can validate scope before funding a full build. The cheapest way to find the edge case nobody mentioned.

AI-enabled features

AI inside the product you already run: intake, search, summarization, classification, recommendations, or workflow assistance, with evaluation and guardrails. Built so a real user opens it twice.

Production platforms

Custom platforms built for real users: integrations, permissions, billing, audit trails, and maintenance. HIPAA-aware where it has to be.

Free vendor-risk check

Before you build, check the risk first.

Answer a few plain-English questions and get a vendor-risk read on ownership, proof of work, data exposure, and handover gaps before you fund the build.

  • Takes about 3 minutes
  • No patient data
  • Built for vendor decisions
Run the free checkBook a free consultation

The page shows the first risk instantly. Email sends the full report.

How we build

How we build AI workflows that stay controllable

Agentic does not have to mean opaque. We put the controls where the risk is: permissions, approvals, and audit around every AI-assisted step.

1

Frontend

The product your users and staff actually work in.

2

API

Typed contracts and validation at the boundary.

3

Workflow engine

The deterministic spine: states, rules, and handoffs.

4

Agentic workflow layer

Inspects context, suggests next steps, and triggers tools, with human approval where it matters.

5

AI / LLM services

Models behind evaluation and fallback logic, not raw and unchecked output.

6

Integrations

EMR, Stripe, CRM, scheduling, and internal APIs.

7

Audit, monitoring, permissions

Every AI-assisted step logged, observable, and role-gated.

Controls, not black boxes

  • Human approval for sensitive actions
  • Tool calls scoped by permissions
  • Audit logs for every AI-assisted step
  • Evaluation and fallback logic, not raw model output
  • Role-based access throughout
  • Observability in production
  • Integration with EMR, Stripe, CRM, scheduling, or internal APIs

FAQ

Hiring a mental health app development team

What buyers ask before they start.

What does mental health app development involve?

It is building a behavioral-health app to a higher privacy and safety bar than a generic wellness app. Teletherapy, validated assessments, mood tracking, secure messaging, and a crisis-escalation pathway. The data is sensitive and the safety stakes are real, so both the compliance work and the design care run deeper.

Is a mental health app HIPAA compliant by default?

No. HIPAA applies when the app handles protected health information for a covered entity or its business associate, and we build it in from the first commit. Where substance-use records are involved, 42 CFR Part 2 adds tighter consent rules on top. We design access control, audit logging, and consent to match your actual obligations, not a generic checklist.

How do you handle user safety and crisis situations?

We build the safety pathway: risk flags, safety planning, and a 988 escalation route, wired to the protocol your clinical team defines. We are the engineering partner, not the crisis service. The clinical decisions stay with your licensed clinicians, and we make sure the software carries them out reliably.

Can you build teletherapy and secure messaging?

Yes. Video sessions, async messaging between appointments, and scheduling that fits how a clinician works. We have shipped HIPAA-aware telehealth with Twilio before, so the hard parts, privacy and reliability, are familiar ground.

How much does mental health app development cost?

Send the shape of the app and the clinical model behind it, and we reply with a scoped estimate, usually within 3 to 5 business days. Cost tracks the feature set, the integrations, and how much compliance and safety design the build carries. You can work hourly, fixed price, or as a dedicated team.

Do you work with iOS, Android, or both?

Both, native or cross-platform, plus the web and backend behind them. We pick the stack from your users and budget, not from habit, and we are clear about the trade-off before we start rather than after.

When are you not the right fit?

If you do not yet have a clinical model and a crisis protocol, we are the wrong first call. The software has to carry out a clinical design, and that design has to exist first. We are the right call once a licensed team owns the care model and you need it built safely and to standard.

Start a project

Tell us about your project

Send the shape of the problem, even if the requirements are still blurry. We reply with a scoped estimate, usually within 3 to 5 business days. No obligation, NDA on request.

  • A senior engineer reads every brief, not a sales rep.
  • If an off-the-shelf tool fits better, we will tell you.
  • NDA on request before you share anything sensitive.

Prefer email? Write to business@highcraft.io

Rather talk it through? Book a 30-minute estimate review

They were absolutely phenomenal. The team put in a lot of work to break down what was required of the project and gave an excellent presentation on the process. I highly recommend them and will be working with them again in the future.
Kayode Leonard

Kayode Leonard

Founder, Project Wolf

A senior engineer reads every brief. Files are emailed to us, not stored.