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 n