Kiinde
Kozii Bottle Warmer
$74.99
Released 2020
Best Baby Bottle Warmers · head-to-head
Kozii Bottle Warmer vs Simple Serve 2-in-1 Bottle Warmer
A sourced, side-by-side comparison. Simple Serve 2-in-1 Bottle Warmer is cheaper at $22.99. Every spec and price links to its source.
The First Years
Simple Serve 2-in-1 Bottle Warmer
$22.99Cheaper
Released 2022
Which is better: the Kozii Bottle Warmer or Simple Serve 2-in-1 Bottle Warmer?
On the specs we track, they're closely matched. The Simple Serve 2-in-1 Bottle Warmer is the cheaper at $22.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| 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 | — |
Sources — Kozii Bottle Warmer: target.com (verified 2026-06-23). Simple Serve 2-in-1 Bottle Warmer: us.thefirstyears.com (verified 2026-06-23).
What's the difference between the Kozii Bottle Warmer and Simple Serve 2-in-1 Bottle Warmer?
Where the two actually differ on the specs we track (4 of 12). Matching specs are omitted.
- 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 true vs Simple Serve 2-in-1 Bottle Warmer false
- Has sterilize mode: Kozii Bottle Warmer false vs Simple Serve 2-in-1 Bottle Warmer true