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Sandboxx

Sandboxx is an app and platform built for the military community, connecting recruits in training with friends and family.

Last updated September 16, 2026

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Overview

Sandboxx is an app and platform built for the military community, serving both service members and their friends and family. It lets supporters send letters to recruits in training, offers Exchange™ gift cards that can be sent with a letter and saved in the app, and provides Sandboxx Memory Books that turn letters, photos, and shared moments into printed keepsakes. The platform is available on the Apple App Store, Google Play, and the web, and reports over 10,000,000 letters delivered to recruits in training, 350,000 recruits signed up, 300,000 supporters signed up, and 3M+ app downloads. Sandboxx describes its team as veterans, military spouses, and dedicated civilians united by a shared purpose of strengthening the resilience of the nation's service members.

History

Sandboxx presents itself as an app and platform built for the military community, serving both service members and their friends and family. Its offerings include sending letters to recruits in training, Exchange™ gift cards that can be sent with a letter and saved in the Sandboxx app, and Sandboxx Memory Books that turn letters, photos, and shared moments into printed keepsakes. The platform is available on the Apple App Store, Google Play, and the web. Sandboxx reports over 10,000,000 letters delivered to recruits in training, 350,000 recruits signed up, 300,000 supporters signed up, and 3M+ app downloads. It describes its team as veterans, military spouses, and dedicated civilians united by a shared purpose of strengthening the resilience of the nation's service members.

Products and positioning

An app and platform built for the military community, for friends and family.

  • Letter sending

    Send a letter to a recruit in training.

  • Exchange™ gift cards

    Gift cards that can be sent with a letter, saved in the Sandboxx app, and redeemed at any Exchange™ around the world.

  • Sandboxx Memory Books

    Custom-crafted printed books that turn letters, photos, and shared moments into keepsakes; the recruit must have completed basic training to be eligible to purchase.

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