Which MomMed Pump Is Right for You?

Compare M21 Luma, S33 Luma, S21, and S10 Pro

S21 Pro
S33 Luma
M21 Luma
S10 Pro
Choose Your Match
Best-selling all-round performer
Nighttime comfort & upgraded usability
Stylish, portable & precision control
Best value & large capacity
Modes
3
4 (incl. Massage)
4 (incl. Massage)
3
Levels
12
9
12
9
Suction
- 280mmHg
- 280mmHg
- 280mmHg
- 280mmHg
Battery Life
5-6 sessions
5-6 sessions
6-7 sessions
7-8 sessions
Capacity
6oz
6oz
5oz
9oz
Flange Design
Standard
Added silicone anti-leak stopper
Soft double-layer flange
Standard
Cleaning Parts
4
4
4
5
Built-in Light
Portable Case

S21 Pro — The Go-to Choice

Not sure which pump to choose? Go with the S21 Pro — the go-to choice for millions of moms.

  • High comfort and efficient breast emptying for better milk flow
  • Compact and portable design, now upgraded with a stylish carrying case
  • Trusted by moms worldwide for its reliability and ease of use

Best for: Moms looking for a balanced mix of comfort, portability, and performance

S33 Luma — Gentle Comfort with Nighttime Convenience

Thoughtfully upgraded to make late-night pumping easier and more comfortable.

  • Built-in nightlight for stress-free nighttime sessions
  • Added silicone anti-leak stopper to protect every drop of milk
  • Gentle massage mode to enhance comfort and milk flow
  • Can stand upright on any surface — easy to use, easy to set down

Best for: Night pumping, sensitive breasts, and moms who value convenience

M21 Luma — Style Meets Smart Pumping

Designed for modern moms who want both performance and aesthetics in one wearable pump.

  • Sleek, compact, and lightweight design made for life on the go
  • Built-in soft light for added convenience during low-light sessions
  • Protective flange cover doubles as a stable stand for cleaner, easier handling
  • Modern, minimalist design that fits seamlessly into everyday life

Best for: Moms who value portability, style, and precise control in their daily pumping routine

S10 Pro — More Capacity, More Freedom

Made for moms who need a pump that keeps up with their milk flow.

  • Extra-large capacity for longer sessions and fewer interruptions
  • High-value performance with hospital-grade suction power
  • Long-lasting battery supports multiple pumping sessions a day
  • Quiet, leak-proof, and versatile for home, office, or travel use

Best for: Moms with abundant milk supply who need efficiency and all-day reliability