Kustren appears to have created the Ice Kingdom font family using a shareware font editor. The free Frozen font is called “Ice Kingdom” and was created by an artist name Kustren, based in Australia. While the original Frozen font is likely a customized font created specifically for the movie, there is a free font available today that mimics the look of the original Frozen font.
The Cricut Maker…Everything You NEED to Know.