CHI
CHI Spin N Curl
$131Cheaper
Best Curling Irons · head-to-head
CHI Spin N Curl vs Bio Ionic Long Barrel Curling Iron
A sourced, side-by-side comparison. CHI Spin N Curl is cheaper at $131. Every spec and price links to its source.
Bio Ionic
Bio Ionic Long Barrel Curling Iron
$163
Which is better: the CHI Spin N Curl or Bio Ionic Long Barrel Curling Iron?
On the specs we track, they're closely matched. The CHI Spin N Curl is the cheaper at $131.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | CHI Spin N Curl | Bio Ionic Long Barrel Curling Iron |
|---|---|---|
| US price | $131 | $163 |
| Brand | CHI | Bio Ionic |
| Released | — | — |
| Barrel type | auto-curler | clip-iron |
| Barrel shape | straight | straight |
| Barrel diameter (in) | 1 | — |
| Barrel length (in) | — | — |
| Barrel coating | ceramic | ceramic-mineral |
| Max temp f | 410 | 430 |
| Heat settings | 3 | — |
| Heat up time sec | — | — |
| Auto shutoff min | 60 | — |
| Dual voltage | Yes | Yes |
| Cord length (ft) | 9 | 9 |
| Weight grams | — | — |
Sources — CHI Spin N Curl: chi.com (verified 2026-07-13). Bio Ionic Long Barrel Curling Iron: bioionic.com (verified 2026-07-13).
What's the difference between the CHI Spin N Curl and Bio Ionic Long Barrel Curling Iron?
Where the two actually differ on the specs we track (3 of 12). Matching specs are omitted.
- Barrel type: CHI Spin N Curl auto-curler vs Bio Ionic Long Barrel Curling Iron clip-iron
- Barrel coating: CHI Spin N Curl ceramic vs Bio Ionic Long Barrel Curling Iron ceramic-mineral
- Max temp f: CHI Spin N Curl 410 vs Bio Ionic Long Barrel Curling Iron 430