Download · beta

Get Reins.

Two apps that pair: the one on your phone decides, the one on your computer asks it. Both are free and open source.

Install on this computer

It pairs with your phone and connects Claude Code, Codex, Cursor and your other AI tools.

Choose your computer Not this one? Other computers or the command line

Get the phone app

QR code that opens the right store on your phone

Point your phone's camera here. It opens TestFlight on an iPhone and downloads the app on Android.

iPhone · TestFlightAndroid · Download

Pair them

Open Reins on the computer. It shows a code; scan it with the phone app, or type it in.

Prefer the terminal? reins setup pairs and connects everything in one go; reins doctor checks it.

Get the app on this phone

It's the half that decides. Free while in beta.

Join on TestFlight TestFlight beta · iOS 26

Install on your computer

On your Mac, Windows or Linux computer, open this page:

reins2fa.com/download

Pair them

Open Reins on the computer. It shows a code; scan it with the phone app, or type it in.

Every platform

Computer

The desktop app and the reins command.

macOS · Apple silicon.dmg · macOS [MIN]+Download
macOS · Intel.dmgDownload
Windows · x64installerDownload
Windows · Armcommand line onlyDownload
Linux · x86_64AppImage · .deb · .rpmDownload
Linux · Armcommand line onlyDownload

Phone

The app that decides. You need one.

iPhone and iPadTestFlight beta · iOS 26Join on TestFlight
Android · APKbeta · Android 12+Download

From the command line

macOS and Linux

curl -fsSL https://reins2fa.com/install.sh | sh

Linux x86_64 and aarch64, macOS on Apple silicon and Intel.

Debian and Ubuntu

sudo install -d -m 0755 /etc/apt/keyrings \ && curl -fsSL https://reins2fa.com/releases/packages/reins.gpg | sudo tee /etc/apt/keyrings/reins.gpg >/dev/null \ && echo "deb [signed-by=/etc/apt/keyrings/reins.gpg] https://reins2fa.com/releases/packages/apt stable main" | sudo tee /etc/apt/sources.list.d/reins.list \ && sudo apt update && sudo apt install reins reins-app

Adds the Reins apt repository, so Reins updates with the rest of the system.

Fedora

sudo curl -fsSL https://reins2fa.com/releases/packages/rpm/reins.repo -o /etc/yum.repos.d/reins.repo \ && sudo dnf install reins reins-app

Adds the Reins dnf repository, so Reins updates with the rest of the system.

Windows

irm https://reins2fa.com/install.ps1 | iex

In PowerShell. Works on x64 and Arm.

Releases and checksums Linux packages and the repository key Run your own server