MainVac
Keep going. It’s in your hands.
Your AI coding tools already write and run the code from your phone. MainVac closes the loop: see the app window they produced on your Mac, and click, scroll and type in it — from wherever you are.
Download for MacmacOS 14 or later · Apple Silicon · iPhone / iPad (iOS 17+) and Android 12+ companion apps
What it does
One window, cropped for your phone
Share a single app window — browser, simulator, preview — cropped to the part that matters. Text stays readable on a small screen, and the rest of your desktop stays private.
Tap, scroll, type, shortcuts
Click and long-press, scroll, inject whole lines of text, and send app-specific shortcuts. Remote control is always visible on the Mac and off by default.
Survives app restarts
When the target app relaunches, MainVac finds the same window again. If the match is ambiguous it waits for you — it never guesses.
Quick Connect, end-to-end encrypted
Scan a QR code and connect across networks — no account needed. Video and input are end-to-end encrypted; relays only ever see ciphertext.
Picture in Picture
Keep the window floating over other apps on your phone while you chat with your AI tools.
Launch apps remotely
Start an installed Mac app from your phone and MainVac switches capture to it once its window settles. Gated by a host-side switch.
Pricing
Monthly
Yearly
Lifetime
30-day free trial. No account, no credit card — just download and start.
Questions
Do I need an account?
No. There is no MainVac account. The trial starts on first launch, and a purchased license key arrives by email and activates in the app.
How do I move to a new computer?
Deactivate in the app on the old computer (instant), or remove it on the license page with your key and purchase email.
What does MainVac send to its servers?
Video and input never touch our servers — they are end-to-end encrypted between your devices. Licensing sends a pseudonymous device hash and your license key. Details in the privacy policy.
Refunds?
The 30-day trial exists so you can evaluate before paying. See the terms & refund policy.