Question 1

Which is better, Simthread 63-Color Polyester Kit or Gutermann 100-Spool Collection?

Accepted Answer

Both products scored 8.8/10 in our testing — it's a tie. Choose based on which features matter most to you.

Question 2

Is the Simthread 63-Color Polyester Kit worth it over the Gutermann 100-Spool Collection?

Accepted Answer

The Simthread 63-Color Polyester Kit scores 8.8/10 while the Gutermann 100-Spool Collection scores 8.8/10. The Simthread 63-Color Polyester Kit is our "Best Overall" pick in the Best Sewing Thread Kits 2026 category.

Simthread 63-Color Polyester Kit vs Gutermann 100-Spool Collection: Which to Buy?