Ditch your agenda. Notifications just got easy.

Welcome to the future of notifications. With Knowledger, you are always in the loop, never too late for a renew and always at the best rates!

Notifications & actions made simple

Any time, any where

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the best renewal price

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All subscription included

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Easy and save money

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why Knowledger

We’re young, we’re fun, and we know what you want. Since 2015, the Monsfer team has been on a mission to bring effortless, simple mobile payment options to the masses in a modern way. No more checks, no more bulky wallets.

More Than 625K happy Users around the world

“I’ve always been skeptical of mobile payment apps, but this app is extremely safe & secure. It’s also very user-friendly, I even got my parents to sign up. We love this app.”

David Tacory

34 years old, NYC

“This app is a must-have if you don’t want to bring your wallet with you everywhere you go! Paying at stores with your phone is so easy with Monsfer. Highly recommended.”

Robb Neilson

48 years old, Los Angeles

“My roommates and I all use this app together and it makes it so much easier to keep track of who pays for what, and make sure everyone gets paid back with no issues.”