Do owners prefer Simthread, Brothread, or Brother thread?
Owner reports do not give one winner. In a PE800 discussion, one person preferred Simthread, while other owners said Brothread worked for them. A separate PE900 thread discussion began with a used machine that had setup problems, so it cannot isolate the thread.
What owners of Brother machines report
Some owners report that Brothread ran well on their SE600 or SE630. Others report thread breaks or prefer Simthread. The Brothread discussion includes both kinds of reports, from owners using different machines.
A separate PE800 thread discussion includes an owner who prefers Simthread and owners who had no trouble with Brothread. Another discussion about Brother-branded thread includes an owner who used it on a smaller embroidery machine without problems. These are different machines and setups, not a head-to-head comparison.
What to check before choosing a spool
Check the thread type and weight against the machine manual and design instructions. Brothread and Brother are different brand names, so read the maker and product details instead of treating the names as interchangeable. Compare spool size and material only after the machine requirements are clear.
Brother's PE800 bobbin and thread guidance names embroidery thread and the machine's recommended bobbin thread. Use the PE900, SE600, SE630, and SE700 manuals for those machines.
If thread breaks or shreds, the posts do not identify the cause on your machine. Check threading, needle, spool path, bobbin, and Brother's model-specific guidance before attributing the problem to a brand.
What owner posts cannot establish
The posts use different machines, designs, thread weights, and machine settings. They cannot rank the brands by break rate, durability, or stitch quality. Treat an owner's result as one account, then use the manual for your machine's thread and bobbin requirements.
For Brother hoop and file compatibility, use the PE800, PE900, SE600, SE630, and SE700 lookup.
For backing and topping on sweatshirts rather than thread brands, see the sweatshirt setup guide.