Developed by veterans with decades of service, our mission is to support service members and their supporters throughout their military journey.
Sending letters to basic training and beyond has never been easier. With over 6 million letters sent to date, we have revolutionized the way you think of supporting your service member. A fully digital letter writing experience, overnight shipping, tracking and the option to add gift cards makes Sandboxx the ultimate supporter tool.
With a growing community of over 1 million Sandboxx users, we are continuing to build more products to help. Get access to base specific training updates from within the app as your recruit progresses through basic training. Refer friends and family to earn free Letters and ensure your service member can receive even more mail.
Check out Sandboxx News to stay up to date with all that’s going on in the military space. Grab some additional stamps, newsletters or motivation to mail your recruit in the Sandboxx Shop.
With Sandboxx, we’ve got you covered for all your basic training needs.
SEND LETTERS TO BASIC TRAINING AND BEYOND
The easiest way to send letters to basic training or overseas. Send a letter, anytime, anywhere. We physically print your mail, include return stationery, provide tracking and overnight it to your recruit at any recruiting base.
GET WEEKLY TRAINING UPDATES
Stay up to date on your recruit as they progress through basic training. Learn about what they are going through on a weekly basis, all accessible within the Sandboxx app.
LEARN MORE WITH SANDBOXX NEWS
Your essential source of news from within the military space, Sandboxx News brings you a wealth of information to stay up to date on the ever evolving world of military life. Covering news to lifestyle to military affairs, the Sandboxx Editorial team brings decades of real life experience and education straight to your phone.
GET EXCLUSIVE SANDBOXX PRODUCTS
Whether you want to purchase military apparel for yourself or set up a daily mail send for your recruit, the Sandboxx Shop stocks a wide variety of recruit and supporter centric products that are sure to delight your recruit’s entire support system.
OPSEC and PERSEC compliant
Automatically connect with your service member to easily send letters
Write your letter, add a photo and gift card and send within minutes
Track your letter from Sandboxx HQ to the base mailroom
Access to customer support fully staffed by veterans and military spouses
Earn badges and become your recruit’s ultimate supporter
No Federal or DoD Endorsement Implied.
Love the app? Rate us! Have a question or need help? Email us at happiness@sandboxx.us, we'd love to hear from you.
Ratings & Reviews
4.0
out of 5
1 Ratings
We update Sandboxx frequently to better support you throughout your military journey. Here’s what’s new:
- Fix Weekly Updates calendar view to better show current week
- A brand new Cart experience. Items now stay in your cart, so you can easily come back and complete your purchase later.
- Updates to Newsletters, including support for single week options.
- Weekly Updates visual improvements for users with dynamic type set.
- A simpler Letter review experience. Easily see what’s included with your Letter and what else you can add before sending.
- One checkout for Letters and Letter Bundles. Purchase Letter Bundles and send your Letters together in a single checkout.
- Performance improvements and bug fixes to keep Sandboxx running smoothly.
Love the app? Leave us a rating! Have a question or need help? Email us at happiness@sandboxx.us. We’d love to hear from you.
Version 24.0.2
The developer, Sandboxx, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
Contact Info
Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Contacts
User Content
Identifiers
Usage Data
Diagnostics
Privacy practices may vary based, for example, on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
