Sandboxx
8.2 1K+
v20.26.3 by Sandboxx, Inc.
About Sandboxx
Sandboxx (Package Name: com.sandboxx.android) is developed by Sandboxx, Inc. and the latest version of Sandboxx 20.26.3 was updated on September 15, 2025. Sandboxx is in the category of Lifestyle. You can check all apps from the developer of Sandboxx and find 200 alternative apps to Sandboxx on Android. Currently this app is for free. This app can be downloaded on Android 8.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
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 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.
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.
Sandboxx 20.26.3 Update
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.
Read More
Sandboxx Features
Related Videos
How To Send Letters To Basic Training
Previous Versions
More
Variant
Arch
Version
DPI
558
September 15, 2025
Sandboxx
20.26.3
(558)
Requires Android: Android 8.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: a07745e6210527b3e0a4111975799e01adab9610
Base APK: com.sandboxx.android.apk
Split APKs: config.arm64_v8a, config.en, config.mdpi
Size: 61.07 MB
What's New:
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.
- 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.
arm64-v8a
Android 8.0+
nodpi
558
September 15, 2025
Sandboxx
20.26.3
(558)
Requires Android: Android 8.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: db3c2f46eb8f7760e3b15594660ffe9d608625c7
Base APK: com.sandboxx.android.apk
Split APKs: config.ar, config.arm64_v8a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xxhdpi, config.zh
Size: 34.97 MB
What's New:
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.
- 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.
arm64-v8a
Android 8.0+
nodpi
558
September 15, 2025
Sandboxx
20.26.3
(558)
Requires Android: Android 8.0+
Architecture: armeabi-v7a
Screen DPI: nodpi
SHA1: 0e4481440e913cc4064ee1ee5a68d39aa198850d
Base APK: com.sandboxx.android.apk
Split APKs: config.ar, config.armeabi_v7a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xhdpi, config.zh
Size: 34.73 MB
What's New:
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.
- 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.
armeabi-v7a
Android 8.0+
nodpi
Requires Android: Android 8.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 5ac087a0c6d8fd68bfc9782480d4ddbcb8a9396a
Size: 68.6 MB
What's New:
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.
- 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.
Variant
Arch
Version
DPI
552
June 11, 2025
Sandboxx
20.25.4
(552)
Requires Android: Android 8.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 0e545dd072cc09669ab158490b469ec371d31ea8
Base APK: com.sandboxx.android.apk
Split APKs: config.ar, config.arm64_v8a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xxhdpi, config.zh
Size: 42.21 MB
What's New:
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.
- 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.
arm64-v8a
Android 8.0+
nodpi
552
June 11, 2025
Sandboxx
20.25.4
(552)
Requires Android: Android 8.0+
Architecture: armeabi-v7a
Screen DPI: nodpi
SHA1: 5ff0ec3871d65cfca2ca23d46d67b567fc52d648
Base APK: com.sandboxx.android.apk
Split APKs: config.ar, config.armeabi_v7a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xhdpi, config.zh
Size: 39.48 MB
What's New:
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.
- 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.
armeabi-v7a
Android 8.0+
nodpi
Variant
Arch
Version
DPI
551
June 1, 2025
Sandboxx
20.25.3
(551)
Requires Android: Android 8.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 947776cc4adc891f2fb74e980cd66528a7bc26f6
Base APK: com.sandboxx.android.apk
Split APKs: config.arm64_v8a, config.en, config.mdpi
Size: 67.36 MB
What's New:
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.
- 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.
arm64-v8a
Android 8.0+
nodpi
551
June 1, 2025
Sandboxx
20.25.3
(551)
Requires Android: Android 8.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: c1f5280269eba900c18c7ec0bdd016d08dc76ad8
Base APK: com.sandboxx.android.apk
Split APKs: config.ar, config.arm64_v8a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xxhdpi, config.zh
Size: 41.84 MB
What's New:
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.
- 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.
arm64-v8a
Android 8.0+
nodpi
More Information
Package Name:
Update Date:
2025-09-15
Latest Version:
20.26.3
Need Update:
Available on:
Requirements:
Android 8.0+
Report:
Safe to Download
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