01
Products
A small, focused portfolio — maintained for years, not shipped and abandoned.
Independent product & security lab
We build software people can trust.
StakhivLabs creates privacy-first products, works on selected confidential engagements, and conducts applied security research.
Products, confidential engineering, and applied security research.
StakhivLabsArchitecture
Independent
01
Products
02
Security
03
Privacy
Products
150K+
Security
Research
150K+
Happy users
4.9
App Store rating
100%
Independent
12
Available in 12 languages
Architecture
Products, confidential engineering, and applied security research.
Built on principles, not promises.
02
Confidential engineering
Product engineering for complex, privacy-sensitive systems — from early architecture to production delivery.
03
Security research
We investigate real-world security boundaries, local-first architectures, and the systems people are asked to trust.
Selected work
Public work. Private depth.
Our products are the visible part of a broader practice spanning product engineering, security architecture, and confidential R&D.
Public product
NoirLock
Zero-knowledge
A zero-knowledge vault for passwords, passkeys, 2FA, bank cards, documents, and SSH keys — encrypted on your device, with no account and no NoirLock servers.
Architecture04
01On-device encryption
02Per-item keys
03Secure Enclave
04Private Sync
SecurityPrivacyArchitecture
NoirLockZero-knowledge
Security by design
Public product
Simple Reminder: Tasks
4.9 rating
A clear reminder app for important dates, recurring tasks, bills, and subscriptions — no clutter, no noise.
Selected private work
Some of our most demanding work cannot be shown. The standards behind it can.
ArchitectureSecurityPrivacy
01
Architecture
02
Security
03
Privacy
04
Independent review
Current research
Security research
We investigate real-world security boundaries, local-first architectures, and the systems people are asked to trust.
Explore the architectureStakhivLabs / SecurityResearch
01Physical-device security flows
02Key architecture
03Privacy by default
04Zero knowledge
How we build
Built on principles, not promises.
Considered craft
Every screen earns its place. We cut features before we cut clarity.
Security by design
Security is not an add-on.
Built to last
A small, focused portfolio — maintained for years, not shipped and abandoned.
Contact us
Have a difficult product or security problem?
We work on selected products, confidential engagements, and applied research where trust and execution matter.