Downloads
Send Letters Overnight to Your Recruit
AppBrain's verdict
EstablishedPopular- Rating on Google Play
- 3.95
- 20,445 ratings
- Installs
- 1.4 million
- Last updated
- October 30, 2026
- Ads
- No ads
- Size
- 47.9 MB
Sandboxx is popular, with 1.4 million installs. Users are divided: 3.9 stars from 20,445 ratings.
User feedback
Ratings and reviews on Google PlayComments on Sandboxx for Android
Google Play Rating history and histogram
Store listing
By Sandboxx, Inc., from Google PlayDescription by Sandboxx, Inc. Written by the developer, not by AppBrain. Click to read.
Sending letters to basic training and beyond has never been easier. With over 8 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 2 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 photos 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
No Federal or DoD Endorsement Implied.
Recent changes:
We update Sandboxx frequently to support you throughout your military journey. This release includes:
- General bug fixes and maintenance
Love the app? Rate us! Have a question or need help? Email us at happiness@sandboxx.us, we'd love to hear from you.
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- 56
- App size
- 47.9 MB
- Needs Android
- 8.0+
- Content rating
- Everyone
Technologies used by Sandboxx
Releases
Updates seen on Google Play- Version
- 24.1.0
- Launched
- June 2015
- Oct 30, 2026UpdateVersion 24.1.0
- Oct 1, 2026UpdateVersion 24.0.1
- Sep 11, 2026UpdateVersion 20.43.2
- Sep 2, 2026UpdateVersion 20.43.1
- Jul 31, 2026UpdateVersion 20.41.2
Alternatives
Similar apps and more from Sandboxx, Inc.Alternatives to Sandboxx
More from Sandboxx, Inc.
Installs
Tracked by AppBrain- Last 30 days
- 17 thousand
- Per day
- 560
- 30-day average
- Play install range
- 1+ million
- Launched
- June 2015
Installs over time
Sandboxx has been installed 1.4 million times. Over the past 30 days, it averaged 560 installs per day.
Rankings
Google Play top charts- Highest rank
- #121
- Chart
- Top Free
- Lifestyle
- Country
- United States
Google Play Rankings for Sandboxx
Top rankings
| Rank | Country | Category | List |
|---|---|---|---|
| 121 | United States | Lifestyle | Top Free |
Ranking history in United States
About the app and developer
About Sandboxx
Sandboxx is a lifestyle app developed by Sandboxx, Inc.
Install Statistics
Sandboxx has been installed 1.4 million times. In the last 30 days, the app was installed 17 thousand times.
User Ratings
Sandboxx is rated 3.95 out of 5 stars. The rating is based on 20 thousand ratings.
App Information
Sandboxx is freely available from Google Play. The app size is 47.87 MB. The latest version available is 24.1.0. The last update was on October 30, 2026.
Technical Requirements
Sandboxx requires Android 8.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since June 2015.
Sandboxx is made and published by Sandboxx, Inc. AppBrain is an independent app data site and isn't affiliated with Sandboxx, Inc. The app name, icon, screenshots and description belong to Sandboxx, Inc. and are shown as published on Google Play.
App Performance Report
Get a detailed PDF report for Sandboxx with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for Sandboxx, Inc.
Frequently asked questions about Sandboxx
Is Sandboxx free?
Yes. Sandboxx is free on Google Play.
Is Sandboxx still available?
Yes. Sandboxx is on Google Play, and the last update we saw was on October 30, 2026.
Does Sandboxx contain ads?
No. Google Play does not list Sandboxx as containing ads.
What Android version does Sandboxx require?
Sandboxx runs on Android 8.0 and higher.
How large is Sandboxx?
Sandboxx is 47.87 MB.
Is Sandboxx suitable for children?
Google Play rates the content of Sandboxx as suitable for everyone.
How many times has Sandboxx been installed?
Google Play lists 1,000,000+ installs for Sandboxx.
How do people rate Sandboxx?
Sandboxx scores 3.95 out of 5 stars, from 20,445 ratings on Google Play.
Who made Sandboxx?
Sandboxx was developed by Sandboxx, Inc. It is listed in the lifestyle category on Google Play.
What are the best alternatives to Sandboxx?
People looking at Sandboxx also look at these lifestyle apps: USAF Delayed Entry Program, Veterans of Foreign Wars, UK Postbox, My Exchange, GMX - Mail & Cloud.
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