Willow
Willow Go
$239.99
Released 2022
Best Breast Pumps · head-to-head
Willow Go vs Momcozy M5
A sourced, side-by-side comparison. Momcozy M5 is cheaper at $199.99. Every spec and price links to its source.
Momcozy
Momcozy M5
$199.99Cheaper
Which is better: the Willow Go or Momcozy M5?
The Momcozy M5 wins 1 of the 1 specs we compare head to head; the other wins 0. The Momcozy M5 is the cheaper at $199.99. The Momcozy M5 both leads on specs and costs less — the straightforward pick.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Willow Go | Momcozy M5 |
|---|---|---|
| US price | $239.99 | $199.99 |
| Brand | Willow | Momcozy |
| Released | 2022 | — |
| Type | wearable | wearable |
| Suction levels | 15 | 9 |
| Max suction mmhg | 295 | 270 |
| Rechargeable battery | Yes | Yes |
| Hospital grade | Yes | No |
| Closed system | Yes | — |
| Weight (oz) | 13.6 | 8.1 |
| Release | 2022 | — |
Sources — Willow Go: onewillow.com (verified 2026-06-19). Momcozy M5: momcozy.com (verified 2026-06-19).
What's the difference between the Willow Go and Momcozy M5?
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
- Suction levels: Willow Go 15 vs Momcozy M5 9
- Max suction mmhg: Willow Go 295 vs Momcozy M5 270
- Hospital grade: Willow Go true vs Momcozy M5 false
- Weight (oz): Willow Go 13.6 vs Momcozy M5 8.1
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Willow Go
Only one whitelisted tester, Reviewed (USA Today), published a hands-on Willow Go review (written and tested by Alexandra Frost); no Wirecutter, Good Housekeeping, or Wired lab test was fetchable. Reviewed calls it a comfortable, easy-to-set-up and easy-to-clean budget wearable, but flags limited mobility, a motor that feels weaker than hospital-grade pumps, and no milk-bag support. No measured benchmarks were reported. (1 sourced review, 1 lab-tested.)
Praised: Easy setup via clear directions and companion app; Comfortable against skin, doesn't feel plasticky; Simple to clean — only five dishwasher-safe parts.
Flagged: Limited mobility despite being marketed as hands-free; No milk-bag compatibility; must pour from reusable containers; Motor feels weaker than hospital-grade pumps.
Momcozy M5
No sourced tester review yet.