Fortilis FAQ
Zero-knowledge encryption, BYO-vault, comparison to other password managers.
Frequently asked questions.
Cross-product answers about GDK Digital. For product-specific questions, the FAQ on each product page covers what you'd ask before buying.
About GDK Digital
What does GDK Digital do?
GDK Digital builds practical software for small teams and service businesses. We ship five products in active sales (Fortilis, GDK-CRM, FTC, GDK Nexus, Tavira), operate one sibling brand (Feathers AI), and build custom AI agents and Claude Skills for clients.
Where is GDK Digital based?
GDK Digital LLC is headquartered in Benton Harbor, Michigan, United States.
Accounts & pricing
How do I sign up?
Create an account once at gdkdigital.com/register.html. The same login works across every GDK Digital product. After signing up, choose the product you want to start with.
Do I need a separate account for each product?
No. A single GDK Digital account works across every product. Per-product access is controlled by subscriptions and seats.
How much does it cost?
Pricing varies by product and plan and is managed in our admin system. Visit the pricing page or the specific product page for current rates. We do not hardcode prices in marketing copy because they may change; we always source from the database.
What about trials or starter plans?
Trial availability is managed in our admin system and varies by product and plan. We do not list trial offers here because they may change. Check the pricing page or the specific product page for current details.
Can I cancel a subscription anytime?
Yes. Subscriptions are managed through the Stripe Customer Portal accessible from your account. You can cancel, pause, or change plans at any time. Refund policies are described in our Terms of Service.
Security & trust
How does GDK Digital handle customer data?
We store production data in the United States, encrypt data at rest in supported managed databases, and use per-product database boundaries. Fortilis specifically uses zero-knowledge client-side encryption. Our security page documents our posture in detail.
Is GDK Digital SOC 2 certified?
No. We do not currently claim SOC 2 certification and do not display badges we have not earned. If formal certification is on our roadmap, our security page updates when it changes.
How do I report a security vulnerability?
Email security@gdkdigital.com with a description, reproduction steps, and any proof-of-concept material. We acknowledge reports within two business days.
Integrations & custom work
Do you build custom integrations or workflows?
Yes. Custom integrations, AI agents, and Claude Skills are scoped through our agents and skills practice. Start a conversation at /contact.
Can I talk to a real GDK Digital customer before buying?
Yes. Use the contact form and we will introduce you to a customer in your industry where we have permission to do so. See the customers page for the policy.
Product-specific questions
Each product has its own FAQ on its landing page:
GDK-CRM FAQ
Service-business workflows, jobs-to-invoicing, integrations, plan comparisons.
FTC FAQ
Team communications, secure external sharing, project management workflows.
GDK Nexus FAQ
Dynamic QR, scan analytics, A/B testing, encryption for sensitive payloads.
Custom Agents FAQ
How custom GPT builds work, platforms supported, ownership and data handling.
Custom Skills FAQ
What Claude Skills are, how they differ from GPTs, ownership and pricing.
Couldn't find your answer?
Email us, use the contact form, or call. We answer real questions from real humans.
Last updated: 2026-05-28