OG+ vs. Demigoddess: Which Ceres Chill Size Fits You?
By Ceres Chill — The Breastmilk Storage Game-Changer | Published: 2026-10-21
Category: Comparisons
Compare the OG+ Chiller/Warmer and Demigoddess to find the right breast milk storage size for your pumping routine, with trade-offs and fit guidance.
Quick answer
Choose the OG+ Chiller/Warmer if you need maximum capacity and all-day chilling; pick the Demigoddess if you value a more compact, portable option for lighter pumping days.
Capacity and chilling time: the main trade-off
The OG+ Chiller/Warmer is built for high-volume pumping. It holds up to 28 ounces and keeps milk cold for 24 hours with two chilling options: use ice or freeze the inner chamber beforehand. That makes it a reliable companion for long workdays, travel, or exclusive pumping.
The Demigoddess, by contrast, is designed for lighter pumping sessions. Its smaller capacity means you won't have to carry extra weight, but you'll likely need to transfer milk more often or have a backup storage plan.
The key difference is not just size—it's how the chilling system fits your routine. The OG+ offers flexibility with ice or pre-frozen inner chamber, while the Demigoddess typically relies on a simpler cooling method, which may be sufficient for shorter outings.
Portability and everyday use
If you're commuting or pumping on the go, the Demigoddess's smaller footprint is a clear advantage. It's easier to fit into a diaper bag or work tote, and it's less bulky to carry around.
The OG+ is larger, but that extra size comes with more capacity and a longer chill time. If you're away from home for extended periods or don't want to worry about finding a fridge, the OG+ is the more self-sufficient option.
Consider how much milk you typically pump in a day. If you regularly produce more than 20 ounces, the OG+ will save you from multiple transfers. If you pump 10-15 ounces, the Demigoddess might be all you need.
Choosing between OG+ and Demigoddess
- Daily output over 20 oz: Choose the OG+ for its 28-ounce capacity and 24-hour chill time. You'll avoid frequent transfers and have peace of mind during long days.
- Daily output under 15 oz: The Demigoddess is lighter and more compact, making it easier to carry. Just plan to transfer milk to a fridge or cooler if you're out for many hours. If your output varies, consider having both sizes for different days.
- Need for warming on the go: The OG+ doubles as a warmer, which is handy if you also bottle-feed pumped milk while out. The Demigoddess may not offer the same warming function. Check the Demigoddess's specs if warming is a must-have for you.
Product spotlight
- OG+ Chiller/Warmer - 28oz: The OG+ Chiller/Warmer holds 28 ounces and keeps milk chilled for 24 hours with two chilling options: ice or pre-frozen inner chamber. This means you can pump multiple times without needing a fridge, making it ideal for long work shifts or travel.
OG+ Chiller/Warmer - 28oz
Which one fits you?
Best for
- Exclusive pumpers or those with high daily output who need maximum capacity and 24-hour chilling
- Frequent travelers or long workdays without reliable fridge access
Not for
- Moms who pump less than 15 ounces a day and want a lighter, more compact cooler
- Budget-conscious buyers who don't need the extra capacity or warming feature
