Useful apps, built with care.
G3NO SYSTEMS makes focused software for security, IT support and everyday work. No bloat, no selling your data, and a real person behind every app.
Two apps you can use today
CertMonk is out on Google Play and in any browser, and you can buy full access on the web. MoatKey is out on Google Play and the Chrome Web Store, and in review on Microsoft Edge Add-ons. iPhone versions of both are coming.
MoatKey
A password manager for you, and for the accounts your family or team share. Logins and two-factor codes in encrypted Castles, with quantum-safe sharing. Free to start.
Learn more →CertMonk
Practice tests, flashcards, study games and clear explanations for IT certifications like Security+, A+, AWS, Azure, CCNA and CISSP. Free to start.
Launch offer: 25% off with code LAUNCH25, first 250 purchases.
Learn more →See how they work, right on this page
Answer a free CertMonk sample question, or make a strong password the same way MoatKey does.
CertMonk: try a question
MoatKey: make a password
Made in your browser. Nothing is sent or saved.
Coming next
Early looks at what we're building next. Details will change as they come together.
ShroudWave
A circuit puzzle game for your phone. Wire the signal, hit the exact number and collect the pictures hidden in the static.
Take a look →Scattio
A private photo gallery that finds any photo, video or screenshot by what's in it.
Take a look →DeskMedic
Computer help for everyone. Guided fixes for everyday users, and a full diagnostic toolkit for IT pros and help desks.
Take a look →PonchoGuard
Scam cover for your family. Calm warnings, plus a family cosign before money or access changes hands.
Take a look →ScreenGecko
Help someone with their phone from your computer or your own phone. They see who is asking, approve each step and can stop at any time. Formerly Remote2Phone.
Take a look →Small company, high standards
Privacy by default
We collect only what an app needs to work. Your data is never sold or used for anything else.
No bloat
Each app does one job well. Fast, focused and easy to learn, without features nobody asked for.
Real support
Questions go to the people who build the apps. You'll get a real answer, not a ticket number.
Be first to try our apps
One email when an app launches or opens for early testers. No spam, unsubscribe any time.
We'll only email you about launches and early access. Unsubscribe anytime. Privacy Policy
Get in touch
Questions, feedback, partnership ideas or bug reports. We read every message.
General: info@g3nosystems.com
App help: support@g3nosystems.com
We use your details only to reply to you. Privacy Policy

