About Tre

Tre is one of the biggest telecom operators in Sweden (4th place in 2018). They were first in Sweden to offer 3G and today, Tre’s mobile network covers 99% of the Swedish population. Smart Refill is acting as the turnkey provider to Tre’s prepaid customers.


Top Up Applications for Android, iOS, and the web 




Balance & History, Card/Swish Payment, Automatic Top Ups and more

Tip-Top Top-Ups

Smart Refill develops and maintains Tre’s prepaid app 3FyllPå for Android, iOS, and the web. With the app, Tre’s prepaid and mobile broadband customers can check balance and history and top up mobile numbers by paying with credit/debit card or Swish. And by setting up an automatic top up that is performed once a month, they never have to worry about running out of data or minutes.

3FyllPå can be downloaded in AppStore or Google Play. The web version is found here.