(checked 2026-10-10)Very small sample: 108 ratings.
A newer warmer that uses warm air and a rocking motion instead of water, winning a Good Housekeeping Parenting Award and Babylist's best waterless pick. Early Amazon owners are much less happy: 30% of ratings are 1-2 stars, with complaints about slow warming, a burning smell and unresponsive buttons.
Top complaints
- Many low ratings early on
30% of Amazon ratings are 1-2 stars. Amazon's summary mentions an unpleasant burning smell, very hot air temperatures for some, and no way to clean the device.
- Slow for some
Amazon's summary says some owners find heating takes too long; Babylist quotes one parent at 10-15 minutes to reach temperature.
- Touch buttons and fit limits
Babylist says complaints focus on unreliable touch buttons, it doesn't work with breast milk storage bags, and some small bottles (such as 3 oz) don't fit.
Source: Babylist
What owners love
- Even warming without water
Good Housekeeping's Kitchen Appliances Lab gave it a Parenting Award for using warm air and constant motion to warm bottles uniformly without messy liquid.
Source: Good Housekeeping - Swirl mixes the milk
Babylist says parents like the swirl for even temperature and mixing separated milk; Good Housekeeping says the rocking helps mix formula.
Source: Babylist, Good Housekeeping - Less mess
Amazon owners say it is more effective than water baths and easy because it needs no water; Babylist notes no water to refill.
- You warm breast milk in storage bags
- You use very small bottles (such as 3 oz)
- You want a proven track record
- No water to fill or descale
- Mixing formula while warming
- Avoiding a messy water bath
Scores (tap for why)
What experts say
- Good Housekeeping: Parenting Award winner: warm air and constant motion warm bottles uniformly and hold various sizes.
- Babylist: Best waterless: fits most bottles with less mess, but not storage bags, touch buttons can be unreliable, and it's expensive.