Who is more popular queensryche or helloween?

Popularity can be subjective and varies by region and fan base. Generally, Helloween is considered one of the pioneers of power metal and has a substantial following in Europe, particularly in Germany. Queensrÿche, known for their progressive metal style, has a strong fan base, especially in the United States. Ultimately, both bands have had significant influence and success, but Helloween may have a broader appeal internationally.