Quick answer
Choose Elvie Curve if you want to actively express extra milk while nursing or pumping on the other side. Choose Elvie Catch if you only need to collect passive leaks or let-down without any suction.
How they work differently in your bra
Both Elvie Curve and Elvie Catch are designed to sit inside your nursing bra, but they serve different jobs. Elvie Curve creates gentle suction when you press it, so it actively pulls milk from your breast. That means you can use it on the opposite side while your baby nurses or while you pump with another device, turning what is often wasted let-down into stored milk.
Elvie Catch, sold as part of the Elvie Pump and Elvie Catch bundle, is a silicone collection cup that holds about 1 ounce per side. It does not create any suction or pressure. Its only job is to catch drips and leaks before they soak your bra or nursing pad.
Which one fits better when you are out
Both are hands-free and low profile, but Elvie Curve is bulkier because of the suction mechanism and its 4-ounce capacity. It stays secure if you are moving around, but the extra volume can create a visible shape under a tight top.
Elvie Catch is slimmer and holds only 1 ounce per cup. It is nearly invisible and ideal for quick errands or wearing all day to catch unexpected leaks. If you tend to leak heavily, you will need to empty and reinsert the cup more often.
The timing difference matters
Elvie Curve works best when you have an active let-down to trigger suction. It shines during a nursing session or a pumping session on the other breast. Elvie Catch works anytime—even when you are just sitting at your desk or walking the dog—because it passively collects whatever drips happen.
If your goal is to increase overall milk output, Elvie Curve adds active expression. If your goal is simply to avoid stained clothes and wasted drops, Elvie Catch covers you all day without any effort.
Comparing Elvie Curve vs Elvie Catch: tradeoffs you need to know
- Mode of use: Elvie Curve actively expresses milk via one-press suction. Elvie Catch passively collects drips with no suction. If you need to boost supply, Elvie Curve actively removes milk. If you only manage leaks, Elvie Catch is sufficient.
- Capacity per use: Elvie Curve holds 4 oz per pump, suitable for a full let-down. Elvie Catch holds 1 oz per cup and needs more frequent emptying for heavy leakers. Heavy leakers or those wanting to store significant milk should lean toward Elvie Curve. Light leakers find Elvie Catch convenient.
- Discretion on the go: Elvie Curve is contoured but bulkier due to the 4 oz volume. Elvie Catch is slimmer and nearly invisible under clothing. For errands or work, Elvie Catch is more discreet. For planned pumping sessions, Elvie Curve is still low-profile enough for many tops.
Product facts at a glance
-
Elvie Curve: Manual Expression Breast Pump: Manual, in-bra silicone breast pump with 4 oz capacity; contoured to neatly fit in your bra without jutting out. You can actively express milk hands-free during nursing or pumping, capturing bonus milk that would otherwise be lost.
Elvie Curve: Manual Expression Breast Pump
-
Elvie Pump and Elvie Catch: Pair of silicone milk collection cups, each holding 1 oz; part of the Elvie Pump and Elvie Catch bundle. The slim 1-ounce cups are nearly invisible and ideal for catching passive leaks all day without any suction or pumping action.
Elvie Pump and Elvie Catch
Which one should you choose?
Best for
- Active expression during nursing or pumping: Elvie Curve
- Passive leak-catching throughout the day: Elvie Catch
Not ideal for
- Using as a primary electric pump (both are manual or passive collectors)
- Heavy leak management without frequent emptying (Elvie Catch's 1 oz capacity)
- Bulky-pump-free pumping sessions (Elvie Catch cannot actively express milk)
