shower cup
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Great10.3%search→purchase rate — share of searches ending in a sale
Avg price
Great$19.46avg listing price — sweet spot $15–$100
Price range
Good$8.63–$26.65cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Good2.9%return rate — above 5% kills the launch gate
Market size
Okay$139K$139K/yr · 70K searches
Review moat
Bad17,553avg incumbent reviews — the moat a new listing must climb
Growth
Bad-20.5%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, shower cup is a $139K/yr Amazon United States market (70K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 34/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
shower cup market data
- Units sold / yr
- 8K–10K
- avg 4,000–5,000/product
- Revenue / yr
- $156K–$195K
- units × avg price
- Conversion rate
- 10.3%
- Avg BSR
- #4
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 47 months
- Avg seller age
- 148 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
2 rising
Sellers
16
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- Frida97%
- Yookidoo3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -20.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.8×
Top shower cup search terms
- frida baby control the flow rinser28K/yr
- control the flow rinser baby22K/yr
- frida control the flow rinser9K/yr
- frida baby control the flow3K/yr
- control the flow rinser2K/yr
- fridababy control the flow rinser808/yr
- frida baby bath cup736/yr
- frida bath rinser4K/yr
Top shower cup products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 3 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Frida Baby Control The Flow Bath Rinse Cup Tear Free Rinser to Wash Hair and Body with Easy Grip Handle and Removable Rain Shower Made in USA
Frida$8.634.5★13,987 rev
Frida Baby Control The Flow Bathtub Sprayer Attachment for Baby Bathtub Shower Head with Scalp Massager Control Waterflow with 2 Pressure Modes
Frida$26.654.5★13,987 rev
Yookidoo Baby Bath Shower Head - Elephant Water Pump and Trunk Spout Sprayer - One Handed Flow Control for Newborn Babies in Tub Or Sink (Turquoise)
Yookidoo$23.114.3★24,685 rev
Newest
by launch dateFrida Baby Control The Flow Bathtub Sprayer Attachment for Baby Bathtub Shower Head with Scalp Massager Control Waterflow with 2 Pressure Modes
Frida$26.6513,987 rev
Frida Baby Control The Flow Bath Rinse Cup Tear Free Rinser to Wash Hair and Body with Easy Grip Handle and Removable Rain Shower Made in USA
Frida$8.6313,987 rev
Yookidoo Baby Bath Shower Head - Elephant Water Pump and Trunk Spout Sprayer - One Handed Flow Control for Newborn Babies in Tub Or Sink (Turquoise)
Yookidoo$23.1124,685 rev
Trending
90-day click momentumFrida Baby Control The Flow Bathtub Sprayer Attachment for Baby Bathtub Shower Head with Scalp Massager Control Waterflow with 2 Pressure Modes
Frida$26.654.5★
Yookidoo Baby Bath Shower Head - Elephant Water Pump and Trunk Spout Sprayer - One Handed Flow Control for Newborn Babies in Tub Or Sink (Turquoise)
Yookidoo$23.114.3★
Frida Baby Control The Flow Bath Rinse Cup Tear Free Rinser to Wash Hair and Body with Easy Grip Handle and Removable Rain Shower Made in USA
Frida$8.634.5★
What buyers say about shower cup
What buyers praise and complain about, mined from review topics.What buyers love
“Easy peasy”
“Good quality item Fast shipping”
“Easy to clean”
“Keeps our daughter entertained while taking a bath”
“I love it helps keep the water out of their eyes has held up very well”
“Just as described”
“The size is great”
“This makes it so much more easier to wash your baby with the hose is long enough to work with”
“more comfortable”
“Makes bath time easier for our baby”
What buyers complain about
“It barely works”
“Dies fast”
“Water Gets Trapped Inside”
“Not worth the $”
“Piece of junk”
“Used multiple brands of batteries nothing works”
“Wont stick”
“Hard to pour”
“Its incredibly hard to clean”
“its noisy”
Top return reasons
Common questions
- Is shower cup profitable to sell on Amazon United States?
- The niche generates $139K/yr across 3 tracked products. 90-day search growth is -20.5%. Flapen's verdict: Skip it (34/100).
- How competitive is the shower cup niche?
- 2 brands and 16 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in shower cup?
- Top complaints mined from reviews: Functionality-Overall, Durability, Water Resistance. The return rate is 2.9%.
- When does demand for shower cup peak?
- Demand is steady year-round — the busiest month runs 1.8× the quietest.
- What does it cost to enter the shower cup niche?
- Listings span $8.63–$26.65; the average listing price is $19.46 (sweet spot $15–$100). The average incumbent carries 17,553 reviews — the moat a new listing must climb.