Connecting Our Military Community

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Build Your Military Journey

Units

See why today's generation of military leaders are
using Sandboxx for secure & private unit communications



Learn More

Letters

Send letters on-the-go to basic training,
those deployed or any military address around the world



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The Digital Unit

The military journey starts at the recruiting station. Find every unit you have ever served with and stay connected.

Simplify your social unit comms in one place

"Check" posts to simplify unit notifications

Invite your Kin to let their camaraderie thrive

Staying connected has never been easier

Add your units - define your dates - rebuild your journey

Historic units built by "E-Tool"

Our friends and family are known as "Kin"

Camaraderie extends beyond the uniform

Kin is invite only. Ask your

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Send Letters

Whether it's a simple "I love you", a memorable childhood milestone, or the pup missing his freedom fighter - snap a photo from your phone and write a message just as easily as a text.




In 4 Easy Steps


  • 1. Sign Up

    Create a Sandboxx account with just a few taps.

    Download

  • 2. Connect

    If your loved one has already created an account, connect with them in the app. Not connected? You can still send them letters as long as you know their address.

  • 3. Send

    We automatically and privately covert each letter into physical mail. Mail call has never been so frictionless.

  • 4. Receive

    The best thing about Sandboxx letters - we include a pre-stamped and addressed envelope with each parcel for swift return to you. We even include paper to write on.

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Letters Are Fast


Send your letter before 5pm EST (M-F) and, your letter will be created that night so it's on the way




Save Money


Buy one for $3 or buy a bundle to save. We offer three different packages to choose from




Make A Difference


A percentage of your letters will go to our partner non-profit organizations



Our Facts

25,000

Units Added By You

50,000

Letters Sent By You

Packed With Amazing Features

Secure - Private - Simple

Home

A feed where you can share photos and messages with your connections

Profile

Keep your profile information updated to receive content relevant to your journey

Letters

Send photos and messages to your connections when they are off-the-grid (training or deployed)

Units/Kin Units

Connect with your current unit and past units you served with during your military career

Notifications

We will keep you posted when someone requests to connect with you, likes or comments on your posts

Connections

Find other users to connect with. You can find a list of all your connections and suggestions

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