Compare Baby Bottles
Pura scores higher on safety - here's why.
R3 scored the Pura 10.0/10 and the Comotomo 9.4/10 on the same baby bottles scoring system, weighing safety, efficacy, and usability. The Pura comes out ahead, led by its safety score (10.0/10 vs 9.4/10).
The most important dimensions, side by side.
See which one actually scores higher — and why
Free account unlocks full safety scores, spec-by-spec breakdown, and the R3 verdict on Pura vs Comotomo .
Unlock the full Pura vs Comotomo breakdown
Free account unlocks all safety scores, complete spec comparison, scoring rationale, and the R3 verdict on which one to buy.
Everything you need to make the call - who each one is for, and who should skip it.
Go for it if you...
You want an unbreakable, fully inert bottle for daycare and travel
You are switching a breastfed baby between breast and bottle
You want independent lab proof, not just the brand's word, on contaminants
Your baby is gassy and you want anti-colic venting
You want a soft, drop-proof bottle that still avoids plastic in the milk
You are switching a breastfed baby between breast and bottle
You want independent lab proof, not just the brand's word, on contaminants
Your baby is gassy and you want anti-colic venting
The main thing to know
No major safety gap stands out; the main trade-offs are about feeding features and daily convenience.
No major safety gap stands out; the main trade-offs are about feeding features and daily convenience.
Skip this if you...
You specifically want a glass bottle for the most inert material
You want the lowest-priced bottle and are not focused on materials
You specifically want a glass bottle for the most inert material
You want the lowest-priced bottle and are not focused on materials
Neither of these quite what you're looking for?
I've reviewed all Baby Bottles options at every price pointEvery Baby Bottles in our database is scored using R3's deterministic scoring system - the same inputs always produce the same score. For this comparison, we evaluated Pura and Comotomo across 3 independent criteria: Safety (91%), Efficacy (8%), Usability (2%). No sponsored rankings. No paid placements.
Straight answers - no sponsored content, no filler.
I'd start with Pura Pura - it scored 10.0/10 overall in our scoring system. Safety is our top-weighted scoring pillar, followed by efficacy, and usability. Check which pillar matters most to your family and compare those specific scores.
R3 uses a deterministic scoring system - the same inputs always produce the same score. We evaluate each Baby Bottles across Safety, Efficacy, Usability using independently verified data. No sponsored rankings. No paid placements. Every score is fully reproducible.
Not necessarily. The overall score reflects how we weight those three pillars, but your priorities may differ. If you care most about safety, compare the safety scores directly. If budget drives your decision, the prices tell a clearer story. The "right" pick is the one that matches what matters most to your family.
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