Enjoy your 4ka to the fullest: With the Moja 4ka application, you have everything you need right under your thumb! You no longer have to go far to change your flat rate or top up your credit. Just visit the nearest 4ka branch right in your pocket - the Moja 4ka application! You can easily activate, deactivate or change selected services with a few taps. Enjoy the convenience of paying for credit top-ups and flat rates SLOBODA through 4 SMART payments. Every family will appreciate managing all numbers from one account. And that's not all! The Moja 4ka app offers: - Simple login through the My Zone account or by SMS, - Option to set up login with PIN code, fingerprint or facial biometrics, - Clear monitoring of consumption and credit amount, - Simple and fast credit top-up, - Activating, deactivating and changing selected services, - Managing a group of phone numbers, - Setting up automatic payments. Do you enjoy 4ka services even faster and easier thanks to the Moja 4ka application? We will be happy if you leave us feedback in the form of a review. Are you not satisfied with the application, or do you have a suggestion for improvement? Write to us on the application at 4ka.sk