TISA
Calls, Mobile & Travel SIMs
About
This app consolidates international calling, UK mobile SIMs, and travel SIMs into a single platform. Make affordable calls worldwide, manage UK mobile plans with EU roaming, and purchase global travel data plans easily.
What's New in TISA
1.1.17
July 31, 2026
Bug Fixes and UI Enhancements
Developer apps
FAQ
What is TISA?
TISA is a utility app that combines international calling, UK mobile SIMs, and travel SIMs. It allows users to make affordable international calls, manage UK mobile plans, and purchase global data for travel, all within one application.
How much does TISA cost?
TISA is available for free. Users receive £1 free credit upon signing up to try the international calling service before topping up. The app operates on a pay-as-you-use model for calls and SIM services, with no hidden fees or subscriptions.
Does TISA have ads?
No, TISA is an ad-free application. The developer explicitly states that the app has no advertisements, ensuring a seamless user experience.
What devices does TISA support?
TISA is currently supported on iPhone and iPod devices. It is designed for iOS users looking for integrated communication and connectivity solutions.
How often is TISA updated?
The latest version of TISA is 1.1.17, and it was last updated on July 31, 2026. This indicates a commitment to regular updates and improvements for the application.
Can I manage multiple SIMs with TISA?
Yes, TISA allows you to add and manage SIMs for family members within the app. This feature is particularly useful for households or groups needing coordinated mobile and travel connectivity.
What is the age rating for TISA?
TISA has an age rating of 4+, making it suitable for a wide range of users. This rating suggests that the content and functionality are appropriate for children and adults alike.
How does TISA's international calling work?
International calls are made over Wi-Fi or mobile data with crystal-clear quality. Rates start from 1p per minute to over 200 countries, and your own number is used as the caller ID.