Drybar
Drybar The 3-Day Bender Rotating Curling Iron
$149Cheaper
Best Curling Irons · head-to-head
Drybar The 3-Day Bender Rotating Curling Iron vs Bio Ionic Long Barrel Curling Iron
A sourced, side-by-side comparison. Drybar The 3-Day Bender Rotating Curling Iron is cheaper at $149. Every spec and price links to its source.
Bio Ionic
Bio Ionic Long Barrel Curling Iron
$163
Which is better: the Drybar The 3-Day Bender Rotating Curling Iron or Bio Ionic Long Barrel Curling Iron?
On the specs we track, they're closely matched. The Drybar The 3-Day Bender Rotating Curling Iron is the cheaper at $149.
See Drybar The 3-Day Bender Rotating Curling Iron on Amazon See Bio Ionic Long Barrel Curling Iron on Amazon
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Drybar The 3-Day Bender Rotating Curling Iron | Bio Ionic Long Barrel Curling Iron |
|---|---|---|
| US price | $149 | $163 |
| Brand | Drybar | Bio Ionic |
| Released | — | — |
| Barrel type | clip-iron | clip-iron |
| Barrel shape | straight | straight |
| Barrel diameter (in) | 1 | — |
| Barrel length (in) | — | — |
| Barrel coating | — | ceramic-mineral |
| Max temp f | 440 | 430 |
| Heat settings | — | — |
| Heat up time sec | 60 | — |
| Auto shutoff min | 60 | — |
| Dual voltage | — | Yes |
| Cord length (ft) | 9 | 9 |
| Weight grams | — | — |
Sources — Drybar The 3-Day Bender Rotating Curling Iron: ulta.com (verified 2026-07-13). Bio Ionic Long Barrel Curling Iron: bioionic.com (verified 2026-07-13).
What's the difference between the Drybar The 3-Day Bender Rotating Curling Iron and Bio Ionic Long Barrel Curling Iron?
Where the two actually differ on the specs we track (1 of 12). Matching specs are omitted.
- Max temp f: Drybar The 3-Day Bender Rotating Curling Iron 440 vs Bio Ionic Long Barrel Curling Iron 430