# Kozii Bottle Warmer vs 8-in-1 Fast Baby Bottle Warmer: specs and price compared

A sourced, side-by-side comparison of the Kozii Bottle Warmer (Kiinde) and 8-in-1 Fast Baby Bottle Warmer (GROWNSY) among baby bottle warmers. 8-in-1 Fast Baby Bottle Warmer is the cheaper of the two at $49.99.

## Side by side

| Spec | Kozii Bottle Warmer | 8-in-1 Fast Baby Bottle Warmer |
| --- | --- | --- |
| US price | $74.99 | $49.99 |
| Brand | Kiinde | GROWNSY |
| Released | 2020 | 2023 |
| Msrp usd | 74.99 | 49.99 |
| Heating method | water-bath | steam |
| Warm time seconds | — | 180 |
| Power watts | — | — |
| Bottle capacity | 1 | 2 |
| Has auto shutoff | Yes | Yes |
| Has defrost mode | Yes | Yes |
| Has sterilize mode | No | Yes |
| Fits wide neck | Yes | Yes |
| App control | No | No |
| Cord length (in) | — | 39.3 |
| Warranty years | 1 | 1 |

## Key differences

- Msrp usd: Kozii Bottle Warmer 74.99 vs 8-in-1 Fast Baby Bottle Warmer 49.99
- Heating method: Kozii Bottle Warmer water-bath vs 8-in-1 Fast Baby Bottle Warmer steam
- Bottle capacity: Kozii Bottle Warmer 1 vs 8-in-1 Fast Baby Bottle Warmer 2
- Has sterilize mode: Kozii Bottle Warmer No vs 8-in-1 Fast Baby Bottle Warmer Yes

## Sources

- Kozii Bottle Warmer: https://www.target.com/p/kiinde-kozii-baby-bottle-warmer/-/A-14852297 (target.com, verified 2026-06-23)
- 8-in-1 Fast Baby Bottle Warmer: https://grownsy.com/products/8-in-1-baby-bottle-warmer-fast-heating-with-timer (grownsy.com, verified 2026-06-23)

Canonical: https://frontdeskreview.com/gear/baby-bottle-warmers/kiinde-kozii-vs-grownsy-8-in-1/
Cite: Per The Front Desk Review, Kozii Bottle Warmer ($74.99) vs 8-in-1 Fast Baby Bottle Warmer ($49.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/baby-bottle-warmers/kiinde-kozii-vs-grownsy-8-in-1/
License: CC BY 4.0.