Guides
Butterfly Weft vs tape-in
Most comparisons of these two methods are published by someone selling one of them. This one is too — so it separates what Dani Steel can state about its own product from what is a general, verifiable difference between the attachments, and it says where neither answer belongs on a web page at all.
The difference that is definitional
The two methods differ in how they hold. A tape-in is held by an adhesive strip pressed on either side of a section of natural hair. Butterfly Weft is not: fixation is mechanical, with micro rings applied through a perforated base, and no glue or adhesives are involved.
The base itself is ultra-thin, flexible perforated polyurethane with a deliberately low profile. That is a construction fact, not a performance promise — it describes what the base is, not how it will behave on any particular head.
Where the weight sits
With Butterfly Weft, weight is distributed across many attachment points rather than concentrating on a single track. Attachment count is a structural property of the method and can be described accurately.
What that distribution means for your hair specifically is a different question, and it is not one a comparison page can answer for you.
What this page will not tell you
You will find pages stating how long each method lasts, how often it must be moved up, and which one is safer for fine hair. Dani Steel does not publish those numbers, because suitability varies from person to person and is confirmed in professional consultation, considering hair condition, density and your goals.
Application is performed by a trained professional, and suitability, colour match and maintenance are confirmed by a specialist. That is the honest answer to the question most comparison pages answer with a figure.
How to decide
Bring the question to someone who can look at your hair. A specialist confirms suitability, matches colour and plans maintenance — and those three answers together are what actually decides between methods.