A free app for Android, by Můj Kaktus.
Kaktus is an application that lets you make a credit, so you can top up your data and SMS packages for free.
How does it work?
First of all, download this application to your mobile phone. After that, open the app and choose one of the tariff plans. After that, just select the package that you want to top up and you're done. It is very simple and easy to use.
Why is it better than the prepaid plans?
It is much cheaper to use this app than to pay for your packages upfront. You don't have to sign up or sign in. You don't have to go through the hassle of creating an account or a login.
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