Questions and answers about our solutions
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What does Cross4Channel specialize in?
We specialize in digital communication solutions in the strictly regulated healthcare environment – with a particular focus on HWG and AMG-compliant communication as well as international requirements such as FDA regulations and data protection standards.
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What sets you apart from other providers?
Our expertise lies in the combination of regulatory feasibility, technical implementation and editorial practical experience – supplemented by our own tools such as Comviira (WhatsApp communication) and evalii® (digital recording & evaluation for pharmacovigilance).
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Do you also support innovation projects?
Yes – we support companies in the development, design, and implementation of digital solutions. Our interdisciplinary team brings together expertise in healthcare professional and patient communication, UX, pharmaceutical law, IT security, and data management. We offer, among other things: digital patient engagement, AI chatbots in healthcare, omnichannel marketing, mobile health apps, GDPR-compliant messenger services, and PV monitoring in healthcare.
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What specific services do you offer?
Strategy consulting & prototyping; development of compliant communication solutions; content & editorial services for digital channels; app development and technical integration; cross-platform software development; support for software validation and QM processes
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How do you ensure your IT security?
Our systems are hosted in Germany in accordance with GDPR regulations. We rely on role-based permissions, audit trails, encryption, and high availability. ISO 9001 certification underscores our quality standards.
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Are your systems scalable?
Yes – both Comviira and evalii® are multi-tenant capable and scalable. Whether for national pilot projects or international rollouts, we adapt the infrastructure and functionality to our customers' needs.
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Do you use AI?
Yes – with ClinAIra®, we offer validated, compliant AI response logic for regulated environments. The technology is tailored to secure decision-making spaces and fully documented.
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Is the AI also compliant?
Yes – our systems are configured to meet regulatory requirements.
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Do you also support social media?
Yes – we offer monitoring, editing and moderation for pharmaceutical topics in social networks – compliant, structured and editorially supervised.
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What do you do in the area of app development?
We develop modular apps for studies, services, or therapy programs – integrated into CRM systems or as stand-alone solutions. Data security and medical legal review are standard.
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Are you working in medical device development?
Yes – we support medical device-related projects from planning through the approval processes to market support, including MDR-relevant documentation upon request.
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How do you deal with PV-relevant content?
In many of our customer projects, we support the collection, documentation, and forwarding of PV-relevant inputs – for example, via forms, WhatsApp, or study platforms. The connection to evalii® enables intelligent screening of user requests in real time.
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I need to contact someone about a PV matter – how?
If you have an urgent concern regarding a PV report in one of our customer projects, please contact us directly at: safety.de [AT] cross4channel.de This contact is specifically intended for urgent reports and is managed 24/7 by our PV team.
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Who is behind Cross4Channel?
Our team is interdisciplinary, with specialists from fields such as communications, pharmacy, biology, veterinary medicine, law, computer science, and UX design. This ensures that projects are implemented with regulatory, technical, and content-related considerations in mind.
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Do you work according to certain standards?
Yes – our company is ISO 9001:2015 certified. This applies to quality management, documentation, safety requirements, and collaboration with our customers.
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How does the collaboration work?
Structured, transparent, and goal-oriented. We work with clear service descriptions (e.g., according to SRS specifications), document project progress, and openly communicate effort and responsibilities.
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How does Cross4Channel promote sustainability?
Partnerships with animal welfare organizations: Regular support for local dog and animal welfare organizations. Digital-first & paper reduction: All services are digital, saving thousands of sheets of paper annually. Remote work culture: Home office and mobile working reduce commuting and CO₂ emissions. Sustainable office & mobility concept: LED lighting, efficient air conditioning/heating technology. Green Office: Waste separation, water filters, reusable materials in the office.

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What is Comviira?
Comviira is a WhatsApp service that complies with the GDPR and the German Health and Care Act (HWG) for structured patient and healthcare professional communication. The service enables automated content, 1:1 chats, broadcasts, and verification mechanisms.
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Is the use of WhatsApp in healthcare legally permitted?
Yes – with Comviira you work within a tested framework: All content is provided via opt-in, processed in compliance with data protection regulations and, if necessary, coordinated with our customers' medical/legal processes.
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How does healthcare professional (HCP) authentication work?
Specialist groups can be verified via DocCheck, one-time codes, or access codes, for example, from conferences. This ensures that sensitive content is only distributed to authorized recipients.
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How does patient authentication work?
Patients can easily verify their identity using a one-time code (e.g., via SMS), a QR code (from a flyer), or a personal registration link. This ensures that personal health information and services are only available to authorized users.
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How does the opt-out process work at Comviira?
Users can easily and quickly unsubscribe from the service using a keyword such as "Stop" or "Exit".
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Can PV-relevant inputs be recognized?
Yes – Comviira can optionally be connected to evalii®, which allows entries in the channel to be automatically checked for possible PV relevance and forwarded.
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How is Comviira implemented technically?
Comviira runs independently of your IT infrastructure – we provide the infrastructure, support the setup, and, if desired, take over the entire editing and maintenance of the channel. In-house implementation is also possible.
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How do I start a project with Comviira?
We generally recommend a pilot project with a clearly defined use case. This allows you to test content, processes, and compliance issues – with minimal effort but high learning value.
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Can Comviira also be used internationally?
Yes – content, opt-in processes, and response logic can be designed in multiple languages and region-specific ways. This makes Comviira easy to adapt to international target groups.
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How do I get a sample profile or demo access?
Simply contact us – we will set up a profile for you so you can experience the features and possibilities directly.
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How does communication work?
Users receive structured content – either automatically or through targeted input. Additionally, they can access a one-on-one chat with the service center at any time (if enabled).
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What are broadcast messages?
Comviira enables scheduled, topic-specific messaging (so-called broadcasts) to be sent to verified users – e.g., notices, accompanying materials, or reminders. Broadcasts are opt-in-based, fully compliant, and editorially controllable.
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What happens if the service center is not available?
If personal support is deactivated, the user receives automatic feedback. This ensures the flow of communication remains stable and clearly regulated.
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How is data protection observed?
Comviira is operated in compliance with the GDPR, hosted in Germany, and with documented data processing. All user data is processed only within the scope of the respective program – without being shared with third parties.

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What is evalii®?
evalii® is a web-based platform for digitally capturing, structuring, evaluating, and forwarding content – ideal for pharmacovigilance but also for patient services, social media monitoring, and more.
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What is evalii used for?
Typical fields of application are: PV-relevant inputs (e.g. from forms, social media channels, WhatsApp or apps); study support and patient monitoring; adverse event reports; product feedback and quality reports; digital touchpoints within service programs; social media monitoring, also with a focus on HWG and AMG.
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Which channels can evalii® integrate?
evalii® can be flexibly connected to, among others: web forms, messaging platforms such as Comviira (WhatsApp), social media or community platforms (e.g. Facebook, Instagram, YouTube and co.), apps and third-party systems, internal service and call center systems, enterprise CRM systems.
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How does input processing work?
Inputs are automatically analyzed, structured, and – depending on the rules – forwarded internally or integrated into existing approval processes. Rule sets are individually configurable and documented.
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Can evalii® be used in compliance with regulations?
Yes – evalii® is specifically designed for regulated industries. PV processes, approval routes, and audit trails can be fully mapped. The platform is hosted in Germany in accordance with GDPR requirements.
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Can evalii® also be used for small programs?
Absolutely. evalii® is scalable – from small pilot projects to international deployments. We offer flexible licensing and usage-based billing models.
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Are there reporting or export functions?
Yes – evalii® offers optional customizable dashboards and export options (e.g. PDF, XML, CSV) for regulatory purposes or internal analysis.
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How is validation carried out?
evalii® comes with validation documentation and, if required, support for GxP-compliant projects. Customized documentation is also available.
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How do you start a project with evalii®?
Ideally, we'll start with a short workshop to gather requirements. Based on this, we'll define a customized instance, initial rule sets, and a pilot setup.

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How innovative are your solutions really?
Our products are born from real project needs and consistently aligned with the requirements of the healthcare market. We combine modern technology (e.g., AI, API integration, messaging) with regulatory security—not a playground, but a practical application.
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Do you rely on artificial intelligence?
Yes – with ClinAIra®, we integrate a validatable AI solution specifically developed for use in the regulated environment of the pharmaceutical industry. Its implementation is aligned with medical/legal requirements and enables the compliant, traceable use of LLM technology – without the risk of uncontrolled responses. The precise functionality is part of our expertise – importantly, ClinAIra® has been tested and can be combined with approval processes or audit trails.
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What does your innovation process look like?
We work iteratively and practically – in close coordination with our clients and their internal departments (Regulatory, IT, Medical Affairs). Our goal: solutions that are approved and work in everyday life.
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Do you also offer customized developments?
Yes – we support companies in innovation projects, e.g., with: Development of digital patient services Communication solutions for study centers System integration for PV or HCP communication App design & regulatory interface concept And much more
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How can I implement new approaches with you?
Innovative projects often require individual approaches – which is why we offer flexible formats for testing and design: from sample demo profiles to functional mockups to targeted pilot systems. Together with you, we define the framework that makes sense – whether for an idea, a release, or a real-world setup. Our motto is: Start quickly, test in a structured manner, and make confident decisions.
