ZT is a communication app from Secure Telecommunication LLC. Digital services in colonies and pre-trial detention centers for relatives and relatives of prisoners. It currently holds a 4.7-star rating on Google Play, based on 15,917 user reviews.
App Details
| Developer | Secure Telecommunication LLC |
|---|---|
| Content Rating | Rated for 12+ |
| Installs | 1M+ |
| Rating | 4.7 / 5 (15,917 reviews) |
| Updated | Sep 15, 2026 |
Screenshots
About ZT
ZT is a communication app developed by Secure Telecommunication LLC that provides digital services for relatives and family members of individuals in correctional facilities and pre-trial detention centers. With over 1 million installs and a 4.72-star rating from nearly 16,000 reviews, the app appears to serve a specific institutional communication need. It's rated for ages 12 and up and is available at no cost.
ZT pros and cons
Pros
- High user rating of 4.72 stars with substantial review base (15,917 reviews)
- Over 1 million installs indicating established user base
- Free to download and use
- Rated for 12+ audiences
- Specialized focus on institutional family communication
Cons
- Niche use case limits general audience applicability
- Technical specifications (file size, minimum Android version) not provided
ZT specifications and compatibility
The build on this page was last refreshed on Sep 15, 2026. Google Play classifies the content as Rated for 12+.
How to install the ZT APK
- Allow installs from unknown sources. On your Android device, open Settings, then Security (or Apps > Special app access > Install unknown apps), and allow installs from the browser or file manager you will use to open the APK file.
- Download the APK. Tap the Download Now button on this page to fetch the ZT APK file to your device.
- Open the downloaded file. Open your Downloads folder, or tap the download notification, then tap the .apk file to start the installer.
- Install and open ZT. Tap Install, wait for the installation to finish, then tap Open to launch ZT.
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Frequently asked questions
Is ZT free to download?
Yes, ZT is available as a free download on Google Play and as a free APK on this page. The APK is the official, unmodified build pulled directly from the developer.
How many people have downloaded ZT?
ZT has been downloaded 1M+ times from Google Play, putting it among the more widely adopted communication apps in its category.
Is the ZT APK safe to install?
Yes. The APK on this page is the original, unmodified build from Secure Telecommunication LLC, pulled directly from the Google Play Store with no third-party modifications. It carries the Rated for 12+ content rating Google assigns on Play.
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