Telemedicine
Mobile and web apps that let patients schedule and attend virtual appointments, access medical records, and manage their care remotely.
Healthcare Software and App Development
We build healthcare apps and platforms designed around HIPAA and FDA requirements, with accessible, clinician- and patient-friendly interfaces. Our solutions evolve with medical practice, helping you bring secure, user-friendly products to market.
Products we developed are used by
Awards and client reviews
- Top AI Development Company
- Top 10 Software Developers
- Top AI Developers
in California
- Top Staff Augmentation Company
Diffco supplied us with the skilled engineers we needed to meet our ambitious goals. Their account manager proactively addressed concerns, ensuring our expectations were met.
Razvan SpatariuSenior Software Engineering Manager at MultiverseTheir commitment to excellence ensures our platform remains robust and adaptable to our evolving needs. With their expertise, we've successfully enhanced our offerings, making our collaboration highly effective.
Pete GualfettiHead of Design and Integration at Good2GoWe were impressed by Diffco's approach to the development process and how they engineer new solutions. They look ahead, learn about your product and strategy, and develop sophisticated, highly functional solutions.
Stas TushinskiyCEO & Co-founder at InstreamaticDiffco took on a complex financial system build for us — the kind of work that touches fund accounting and compliance, where there’s no margin for error — and they delivered. They helped us shape our AI product strategy rather than just executing tickets. Real ownership of the outcome.
Adam HooksCEO at Vero K12Diffco handled discovery for two complex health tech AI products for us. They’re technically sharp, honest about what’s actually worth building, and easy to work with. They moved fast without cutting corners and understood the healthcare space. Highly recommend.
Mark MagazuPrincipal at M3 Veterinary Innovation AdvisorsDiffco's expertise and engineering approach increase the reliability and efficiency of our IoT infrastructure. Diffco has proven to be a reliable partner with exceptional expertise. I highly recommend their services.
David C ThompsonSenior Digital Initiatives director at ChemTreatThe quality and consistency of the team make Diffco stand out from other vendors.
Art DanielovCEO at FlashgridThey were communicative, consultative, and helpful. They went above and beyond all the way. What an amazing team. I will work with them again and again.
Don MarklandCEO at Accountability NowDiffco turned our concept into a polished product from scratch, delivering on a tight timeline. Clear communication, organized project management, and a strong mix of creativity and technical expertise produced an app that exceeded our vision.
Mason MeninCo-founder at WYA Group, Inc.
Healthcare software we build
Wellness
Wellness apps and websites that help users track health activities, monitor progress, and build healthier habits, including through employer and insurer programs.
Clinical Decision Support (CDS)
Mobile and web CDS tools that give healthcare professionals alerts, guidelines, reports, and diagnostics for accurate, efficient patient care.
Remote Monitoring
Apps that track conditions like diabetes, high blood pressure, and sleep apnea, integrating data from vital-sign devices to improve outcomes and reduce costs.
Healthcare AI
AI-driven mobile and web solutions that lower costs and improve care delivery and diagnostics, built to healthcare’s compliance and production standards.
E-prescribing
Apps that let doctors send prescriptions directly to pharmacies quickly, clearly, and accurately, improving patient care.
Health information exchange (HIE)
Cross-platform HIE apps for secure, efficient sharing of electronic health records, improving care quality and safety.
Health information systems (HIS)
HIS apps that help providers share medical records, track outcomes, manage billing, and make data-driven care decisions.
Practice management software
Apps that streamline patient care, treatment plans, scheduling, and back-office operations, simplifying practice administration.
Veterinary medicine
Apps for veterinary practices, with scheduling, medication management, and real-time communication with pet owners.
Laboratory information management systems (LIMS)
LIMS apps that streamline lab workflows, integrate instrument data, manage samples, and process clinical information efficiently.
Medical billing and revenue cycle management (RCM)
Billing and RCM software that automates claims, coding, and payments, reducing denials and speeding up reimbursement.
IoT medical device software
Software for connected medical devices, from device firmware and data pipelines to apps that let clinicians track vital signs in real time, anywhere.
What we bring
Tech stack
Frontend
JavaScript
React
Next.js
Angular
Vue.js
TypeScript
Tailwind
Material UI
Bootstrap
Mobile
Swift
Java
React Native
Kotlin
Flutter
Objective C
Backend
Node.js
Nest.js
Express
PHP
Python
ASP.NET
Django
Flask
Ruby on Rails
Sinatra
C#
Symfony
Laravel
Yii
Go
Erlang
C/C++
Scala
Rust
Julia
R
AI models
Anthropic
OpenAI
Gemini
Hugging Face
Mistral
Qwen
Grok
Kimi AI
TypeSafe AI
Open weight models
DevOps
Docker
Kubernetes
AWS
Azure
Google Cloud
ElasticSearch
Apache Kafka
QA
Selenium
TestMu AI
Cypress
JUnit
pytest
RSpec
PHPUnit
Mocha
Jest
JMeter
OWASP ZAP
Diffco AI Methodology
A delivery method built for the AI era, not retrofitted to it.
Code is the cheap part now. Knowing what to build first, which foundation will hold at ten times the users, and what not to build at all is where projects are won.
Senior engineers make those calls. More than 100 AI agents per engineer do the building, around the clock, on our own delivery platform built on Claude Code and OpenAI Codex. A living plan with automatic checks keeps every agent inside the lines.
- You click through your product before we build it
- We bring you the parts of the job you never put into words
- Every architecture decision is written down with the alternatives
- Everything traces back to a goal, which is what makes change fast
- People make the decisions, and AI agents build inside them
- Before release, a person watches it work
- The whole project
is a document you can read
- Read the full methodology
Integrations
Our team has deep experience integrating third-party platforms, products, and services, including:
Payment platforms
Stripe, PayPal, Square, and Authorize.net
CRM systems
Salesforce, HubSpot, Pipedrive, and Zoho
Help desks
Zendesk, Freshdesk,
and Intercom
Communication APIs
Twilio, SendGrid, and
Mailchimp
AI model providers
OpenAI, Anthropic, Google Gemini, and Open Weight Models
How we build
Seven stages, with a person signing off at every gate.
Every project runs through Production-Ready AI Engineering: seven stages, senior engineers directing 100+ AI agents, a check on every save, and a person signing off at every gate.
- 01
Discover
Human + AIWorkshops and stakeholder interviews with AI in the room. It cross-verifies inputs across calls, docs, and Slack threads, flagging blind spots, edge cases, and contradictions humans miss.
- 02
Plan
AIAI decomposes the work, picks architecture, models, and tools. Surfaces risks, costs, trade-offs, and conflicts between stated requirements, before they become bugs.
- 03
Align
HumanYou review and approve. Every decision is logged: an auditable trail before any code is written. No black box, no scope drift.
- 04
Build
Human + AIAI agents execute the approved plan inside engineered guardrails. Senior engineers steer and unblock. Sprint cadence with working artifacts, not status decks.
- 05
Validate
Human + AIThree independent layers on every release candidate: automated evals, senior code review, and dedicated Human QA, with manual and exploratory testing alongside security, performance, and accessibility checks.
- 06
Release
Human + AIProduction deployment, UAT, knowledge transfer, runbooks. Cutover is documented, reversible, and on a schedule you approve. Your team takes the keys, or we operate it for you.
- 07
Evolve
Human + AILaunch is a milestone, not a finish line. Monitoring, feedback loops, and incremental improvements keep the system compounding, and feed the next discovery cycle.
Every later change re-enters the same loop, and nothing skips a step.
Read the full methodologyEngagement models
Ways to work with us
Dedicated Team
Human-led, AI-assisted · Monthly commitment
A senior squad reserved for you on a monthly basis, using AI to move faster. Best for evolving products and complex domains. You get:
A senior team that’s always yours, never reassigned mid-project- Scope and priorities you can flex sprint by sprint
- Predictable monthly spend with no padding for risks you may never use
- Velocity from a team that already knows your codebase
Agent-Led Delivery
AI-built, senior-directed · Monthly commitment
Most of your monthly budget goes into AI agents, with a lean senior team directing and reviewing their work. You get:
- Maximum of your budget working on the build, not on headcount
- Working software at the end of every short sprint
- A preview of what each change touches before it’s built
- Sign-off on every release against standards agreed before coding starts
Our clients’ success stories
Why teams choose Diffco
The team in the room is the team that does the work
Senior, dedicated teams
Senior experts on every project: AI/ML and software engineers, product and UX designers, and project and product managers. They’re assigned to you and never reassigned mid-project.
Streamlined development process
Agile delivery built on our Production-Ready AI Engineering model, from early PoC to production rollout. Clear gates with your sign-off at each one, so you always know what’s happening and why.
Transparent billing
You always know:
- What you’re paying for
- How time is spent
- How costs connect to delivered outcomes
Audit-ready from day one
Every agent action is logged and every decision is traceable. SOC 2-aligned practices, HIPAA- and GDPR-aware delivery, and full IP assignment.
Clear communication and reporting
From the first workshop to post-launch optimization, you get:
- Direct access to the Diffco team
- Regular progress updates and demo builds
- Clear documentation of decisions, architecture, and metrics
Own it, or let us run it
Knowledge transfer, runbooks, and documented, reversible cutovers if your team takes the keys. Ongoing support, monitoring, and improvements if you’d rather we operate it.
Success stories of our clients
NDA app for pet owners
A marketplace and the admin it needed, at under half the first estimate
Full development + AI agentic product discovery
We’ve developed an app that helps pet owners find a vet in their area
NDA app for pet owners
A marketplace and the admin it needed, at under half the first estimate
Explore our
amazing case studies
Let’s build something
great together.
Frequently Asked Questions
Senior engineers direct more than 100 AI agents that write the code and tests, review each other’s work, and keep the plan current, around the clock, on our own platform built on Claude Code and OpenAI Codex. You decide what gets built; the agents do the typing.
No. Issues surface the moment work is saved, when they are cheapest to fix, and the agents do not stop when the office closes. What disappears is the rework from a requirement that changed in March and was noticed in October.
You do, in full, from the first week. The goals, the specifications, the decision log, and the acceptance standards are yours to keep and take anywhere.
That is a normal event here. We show you what the change touches across everything already agreed and built, you approve, and it gets built.
Yes. We add the plan beside your existing code without touching it, and the checks apply to new work from day one. Older areas come under the plan as you touch them.
They go into the plan first. Your requirements, whether SOC 2, HIPAA, PCI DSS, or your own policies, become rules every agent reads before it starts and the checker enforces on every change, including which models may see your code and what data the agents can touch.
To ensure that your custom software is HIPAA-compliant, you need to perform a risk analysis and implement technical and administrative safeguards that meet the requirements of the HIPAA regulations. You may also consider hiring a HIPAA compliance consultant or auditor to perform a thorough review of your medical software. The key HIPAA regulations for healthcare software solutions include the Privacy Rule, the Security Rule, and the Breach Notification Rule. The Privacy Rule sets standards for the use and disclosure of individuals’ health information, while the Security Rule establishes security standards for protecting electronic health records. The Breach Notification Rule requires organizations to notify individuals if their protected health information has been breached. These strict rules are a critical part of custom medical software development. When choosing a healthcare software developer, you should find a team that is educated on such compliance issues; Diffco’s team is well-versed and here to help throughout the healthcare application development process.
After delivering an app, the Diffco team can support and maintain the app on an ongoing basis, ensuring quality and adding new functionality as desired.
Diffco has a flexible approach to delivering what you need, when you need it. We can provide select talent to augment your internal resources, as well as an end-to-end software development team.
Yes. If you already have a design that you would like us to work with, we can use it as a basis to develop a finished product that meets your specifications. In case your design requires additional elements or improvements, our team will conduct a review.
Need other services?
AI & ML DevelopmentML, RAG, computer vision, and copilots, engineered to production standards with Production-Ready AI Engineering.
AI Agents DevelopmentCustom agents and multi-agent systems that do real work inside your CRM, EHR, ERP, and internal tools.
AI-Driven Product DiscoveryTwo weeks to answer “should we build this, and what would it cost to run,” before you spend six months finding out.
Team AugmentationTop 1% engineers, each with 100+ AI agents, embedded in your team and working inside your plan and your rules.
Mobile DevelopmentNative iOS and Android apps, with AI features built in, designed for real users from the first release.
