ZT

Name: ZT
Availability: InStock
Rating: 3.7272727489471436 (13182 reviews)
Author: Secure Telecommunication LLC

Secure Telecommunication LLC

3.7

13.2K reviews

Everyone

1M+

Downloads

Everyone

Users Interact

Learn more

About this app

ZT is the largest service for maintaining communication with prisoners and convicts in Russia.

All services in one app: from letters to video calls.

Emails
Send text messages and color or black-and-white photos through the app. Instant printing at the facility, censor review within 1 to 3 days.

You can add coloring pages, Japanese crosswords, sudoku, origami, and chess problems to your email. This will help your loved one spend time productively.

Audio and Video Calls
Communicate by voice or video through the mobile app.
In-app audio calls are up to 48% cheaper than cellular service, depending on the region.
Video calls in ZT are only available in the app.

Money Transfers
Transfer money to an inmate's personal account so they can purchase everything they need from the facility's store. The transfer arrives at the facility within 1-3 business days.

Download the ZT app and stay in touch with your loved one!

Updated on

Aug 7, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.

No data shared with third parties

Learn more about how developers declare sharing

No data collected

Learn more about how developers declare collection

Data is encrypted in transit

You can request that data be deleted

Ratings and reviews

3.7

13.1K reviews

Zurab Lobzhanidze

November 7, 2025

Works like a charm. sent and received letters. make money transfer, takes 2-3 working days. have not tried calling option yet.

1 person found this review helpful

Secure Telecommunication LLC

November 7, 2025

Спасибо за высокую оценку! Искренне благодарны, что пользуетесь нашим сервисом.

Hema Hema

January 21, 2026

yes very good and helpfull

Secure Telecommunication LLC

January 22, 2026

Доброе утро! Спасибо за высокую оценку! Искренне благодарны, что пользуетесь сервисом от ZT!

Yuliia Gorbunova

April 2, 2024

Not working well

Secure Telecommunication LLC

April 3, 2024

Добрый день! Если Вы столкнулись с какими-либо неполадками в работе сервисов или приложения, а также с трудностями в их использовании, пожалуйста, напишите в чат приложения или на сайт zonatelecom.ru в круглосуточный онлайн-чат. В сообщении подробно опишите пример проявления проблемы с указанием Вашего номера телефона. Мы обязательно Вам поможем!