# Kozii Bottle Warmer vs Simple Serve 2-in-1 Bottle Warmer: specs and price compared

A sourced, side-by-side comparison of the Kozii Bottle Warmer (Kiinde) and Simple Serve 2-in-1 Bottle Warmer (The First Years) among baby bottle warmers. Simple Serve 2-in-1 Bottle Warmer is the cheaper of the two at $22.99.

## Side by side

| Spec | Kozii Bottle Warmer | Simple Serve 2-in-1 Bottle Warmer |
| --- | --- | --- |
| US price | $74.99 | $22.99 |
| Brand | Kiinde | The First Years |
| Released | 2020 | 2022 |
| Msrp usd | 74.99 | 22.99 |
| Heating method | water-bath | steam |
| Warm time seconds | — | — |
| Power watts | — | — |
| Bottle capacity | 1 | 1 |
| Has auto shutoff | Yes | Yes |
| Has defrost mode | Yes | No |
| Has sterilize mode | No | Yes |
| Fits wide neck | Yes | Yes |
| App control | No | No |
| Cord length (in) | — | — |
| Warranty years | 1 | — |

## Key differences

- Msrp usd: Kozii Bottle Warmer 74.99 vs Simple Serve 2-in-1 Bottle Warmer 22.99
- Heating method: Kozii Bottle Warmer water-bath vs Simple Serve 2-in-1 Bottle Warmer steam
- Has defrost mode: Kozii Bottle Warmer Yes vs Simple Serve 2-in-1 Bottle Warmer No
- Has sterilize mode: Kozii Bottle Warmer No vs Simple Serve 2-in-1 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)
- Simple Serve 2-in-1 Bottle Warmer: https://us.thefirstyears.com/simple-serve-fast-baby-bottle-warmer-and-sanitizer-y1095ca19/ (us.thefirstyears.com, verified 2026-06-23)

Canonical: https://frontdeskreview.com/gear/baby-bottle-warmers/kiinde-kozii-vs-the-first-years-2-in-1/
Cite: Per The Front Desk Review, Kozii Bottle Warmer ($74.99) vs Simple Serve 2-in-1 Bottle Warmer ($22.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/baby-bottle-warmers/kiinde-kozii-vs-the-first-years-2-in-1/
License: CC BY 4.0.