Choose your first pump above.
ONE CHOICE AT A TIME
Two pumps. A clearer choice.
Pick two models to see how their setups differ. Change either pump whenever you like.
Choose a second pump above.
Comparing two pumps. Manufacturer-listed specifications, not performance ratings.
Type
PUMP 1 Spectra S1 Plus
Double electric
PUMP 2 Spectra S2 Plus
Double electric
Power
PUMP 1 Spectra S1 Plus
Rechargeable battery + AC
PUMP 2 Spectra S2 Plus
AC adapter; plug-in operation
Collection style
PUMP 1 Spectra S1 Plus
External bottles
PUMP 2 Spectra S2 Plus
External bottles
Included fit options
PUMP 1 Spectra S1 Plus
24 mm and 28 mm flanges included
PUMP 2 Spectra S2 Plus
24 mm and 28 mm flanges included
Practical trade-off
PUMP 1 Spectra S1 Plus
The motor, bottles, and tubing still need space. It is not an in-bra pump.
PUMP 2 Spectra S2 Plus
The S2 requires external power during use; it does not provide the S1’s rechargeable flexibility.
These summary details match. Read the full profiles for model-specific instructions and kit caveats.
Start with a pump you’re considering.
Use the menus above to choose up to two different models.
Need help narrowing the options? Use the pump finder →Check the exact kit
Spectra S1 Plus
Specifications checked
Spectra specifications ↗Spectra S2 Plus
Specifications checked
Spectra specifications ↗A research-based overview, not a hands-on review. Specifications refer to the linked US manufacturer pages; local kits may differ. How we research
Your pump comparison
All comparison details for your selected pumps, including any matching details hidden on screen. Specifications describe US manufacturer configurations; local kits may differ. This is a documentation summary, not a hands-on review or a personal fit assessment.
No pumps selected. Return to the comparison to choose your shortlist.
Spectra S1 Plus
- Type
- Double electric
- Power
- Rechargeable battery + AC
- Collection style
- External bottles
- Included fit options
- 24 mm and 28 mm flanges included
- Practical trade-off
- The motor, bottles, and tubing still need space. It is not an in-bra pump.
Read the complete Spectra S1 Plus profile →
Manufacturer source
Spectra: S1 Plus specificationshttps://www.spectrababyusa.com/products/spectra-s1-plus-premier-rechargeable-double-electric-breast-pump
Elvie Stride 2
- Type
- In-bra electric
- Power
- Rechargeable battery
- Collection style
- In-bra cups + external hub
- Included fit options
- Double kit: 28 mm shields; 15, 17, 19, 21, 24 mm inserts
- Practical trade-off
- You still have tubing and a hub to position.
Read the complete Elvie Stride 2 profile →
Manufacturer source
Elvie: Stride 2 specifications and kit contentshttps://elvie.com/products/elvie-stride-2
Medela Pump In Style Pro
- Type
- Double electric
- Power
- AC adapter; no built-in battery
- Collection style
- External bottles
- Included fit options
- 21 mm and 24 mm shields included
- Practical trade-off
- Plan your pumping space around access to power.
Read the complete Medela Pump In Style Pro profile →
Manufacturer source
Medela: Pump In Style Pro specificationshttps://www.medela.com/en-us/breastfeeding-pumping/products/pumps/classic-electric/pump-in-style-pro-double-electric-breast-pump?productId=41942
Medela Harmony
- Type
- Manual
- Power
- Hand-operated; no charging
- Collection style
- External bottle
- Included fit options
- PersonalFit Flex shield; check local kit size
- Practical trade-off
- Your hand provides the pumping action throughout the session.
Read the complete Medela Harmony profile →
Manufacturer source
Medela: Harmony specificationshttps://www.medela.com/en-us/breastfeeding-pumping/products/pumps/manual/harmony-manual-breast-pump?productId=1021
Spectra S2 Plus
- Type
- Double electric
- Power
- AC adapter; plug-in operation
- Collection style
- External bottles
- Included fit options
- 24 mm and 28 mm flanges included
- Practical trade-off
- The S2 requires external power during use; it does not provide the S1’s rechargeable flexibility.
Read the complete Spectra S2 Plus profile →
Manufacturer source
Spectra: S2 Plus US specifications and kithttps://www.spectrababyusa.com/products/spectra-s2-plus-premier-double-electric-breast-pump
Willow Go
- Type
- Tube-free wearable
- Power
- Rechargeable motors
- Collection style
- In-bra reusable containers; no external hub
- Included fit options
- Double-kit list: 24 mm flanges and 21 mm inserts; confirm seller kit
- Practical trade-off
- Tube-free does not mean leak-proof; follow the instructions for movement and bending.
Read the complete Willow Go profile →
Manufacturer source
Willow: current Go product and double-kit contentshttps://onewillow.com/products/willow-go-pump-kit
Momcozy M5
- Type
- Tube-free wearable
- Power
- Rechargeable motors; USB-A to Type-C cables
- Collection style
- Two in-bra collectors with integrated motors
- Included fit options
- 24 mm flanges; 17, 19 and 21 mm inserts
- Practical trade-off
- The original M5 does not connect to the Momcozy app; M5 Smart is a different model.
Read the complete Momcozy M5 profile →
Manufacturer source
Momcozy: original M5 description and double-kit contentshttps://support.momcozy.com/article/52960494536985
eufy Wearable Breast Pump S1
- Type
- Tube-free wearable
- Power
- Rechargeable; magnetic hub charging connections
- Collection style
- Two in-bra cups; 5 oz / 150 ml each
- Included fit options
- 24 mm flanges; 17, 19 and 21 mm inserts
- Practical trade-off
- The plain S1 storage bag does not recharge the pumps; plan to use the charging cables.
Read the complete eufy Wearable Breast Pump S1 profile →
Manufacturer source
eufy: US S1 product specificationshttps://www.eufy.com/products/t8d02181
BabyBuddha 3.0
- Type
- Portable double electric
- Power
- Built-in rechargeable battery; USB-C charging
- Collection style
- External bottles and tubing; EasyFit kit
- Included fit options
- 24 mm flanges; pairs of 13, 15, 17, 19 and 21 mm inserts
- Practical trade-off
- The documented kit still uses bottles and tubing outside the bra.
Read the complete BabyBuddha 3.0 profile →
Manufacturer source
BabyBuddha: 3.0 with EasyFit kithttps://babybuddhaproducts.com/products/buddha-3-0
Pumpables Genie Advanced
- Type
- Portable double electric
- Power
- Rechargeable; USB-C charging
- Collection style
- External bottles with optional Liquid Kit
- Included fit options
- Optional Liquid Kit: choose 15, 17, 19, 21, 25 or 29 mm
- Practical trade-off
- Compare the complete bundle cost: the motor alone does not include the Liquid Kit.
Read the complete Pumpables Genie Advanced profile →
Manufacturer source
Pumpables: Genie Advanced US configuratorhttps://pumpables.co/products/genie-advanced
Lansinoh Manual Breast Pump
- Type
- Manual
- Power
- Hand-operated handle; no charging
- Collection style
- Included 5 oz Lansinoh bottle
- Included fit options
- 25 mm and 30.5 mm ComfortFit flanges included
- Practical trade-off
- Your hand supplies the pumping action for the whole session.
Read the complete Lansinoh Manual Breast Pump profile →
Manufacturer source
Lansinoh: current US manual-pump kithttps://lansinoh.com/products/manual-breast-pump
Philips Avent Manual SCF430/03
- Type
- Manual
- Power
- Hand-operated handle; no charging
- Collection style
- Included 4 oz bottle
- Included fit options
- One flexible silicone cushion; manufacturer states up to 30 mm
- Practical trade-off
- Pumping requires repeated hand operation, one breast at a time.
Read the complete Philips Avent Manual SCF430/03 profile →
Manufacturer source
Philips: US SCF430/03 product and specificationshttps://www.usa.philips.com/c-p/SCF430_03/manual-breast-pump
Motif Luna with Battery
- Type
- Rechargeable double electric
- Power
- Built-in rechargeable battery; supplied power adapter
- Collection style
- External bottles connected to a separate motor by tubing
- Included fit options
- 21 mm and 24 mm breast shields listed in the current kit
- Practical trade-off
- The motor, tubing, and collection bottles remain outside the bra.
Read the complete Motif Luna with Battery profile →
Manufacturer source
Motif: current Luna models and kit contentshttps://motifmedical.com/motif-luna-breast-pump
Zomee Z2
- Type
- Portable double electric
- Power
- Built-in rechargeable battery; USB charging
- Collection style
- External bottles and tubing; separate motor
- Included fit options
- 17, 19, 21 and 24 mm flange sizes listed; confirm quantities
- Practical trade-off
- The documented bottle configuration retains external tubing and bottles.
Read the complete Zomee Z2 profile →
Manufacturer source
Zomee: current Z2 double-electric bottle kithttps://zomee.com/products/zomee-z2-double-electric-breast-pump
Lansinoh DiscreetDuo Flow
- Type
- Tube-free wearable
- Power
- Rechargeable pump hubs; supplied USB charging cords
- Collection style
- Two in-bra collectors with integrated motors; 6 oz each
- Included fit options
- 24 mm flanges; 15, 17, 19 and 21 mm inserts
- Practical trade-off
- The pumps cannot be used while charging; the manual specifies the supplied cables and a 5V 2A power supply.
Read the complete Lansinoh DiscreetDuo Flow profile →
Manufacturer source
Lansinoh: current DiscreetDuo Flow kithttps://lansinoh.com/products/discreetduo-flow-wearable-breast-pump
Medela Freestyle Hands-free
- Type
- In-bra cups with an external motor
- Power
- Built-in rechargeable battery; USB-C cable and adapter
- Collection style
- Two in-bra cups connected by tubing to a separate motor; 5 oz / 150 ml each
- Included fit options
- 21 mm and 24 mm cup breast shields
- Practical trade-off
- You still need to carry the motor and route tubing between it and the cups.
Read the complete Medela Freestyle Hands-free profile →
Manufacturer source
Medela: US Freestyle Hands-free kit and FAQshttps://www.medela.com/en-us/breastfeeding-pumping/products/pumps/hands-free-electric/freestyle-hands-free-breast-pump?productId=4072
Want a closer look?
Plan beyond the specifications.
Fit, comfort and milk output are personal. Compare the whole kit and its running costs, then seek individual fit support when needed.