period pain relief device
Skip itSoft demand (-21.9% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$57.28avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Good$19.54–$133.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.5%return rate — above 5% kills the launch gate
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Conversion
Bad1.9%search→purchase rate — share of searches ending in a sale
Competition
Bad71%top-5 click share — a locked-up shelf
Market size
Bad$93K$93K/yr · 85K searches
Review moat
Bad7,659.36avg incumbent reviews — the moat a new listing must climb
Growth
Bad-21.9%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, period pain relief device is a $93K/yr Amazon United States market (85K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 38/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
period pain relief device market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $115K–$143K
- units × avg price
- Conversion rate
- 1.9%
- Avg BSR
- #413
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 86%
- Out of stock
- 5.4%
- Avg brand age
- 39 months
- Avg seller age
- 150 days
Competition & brand share
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 falling
Sellers
18
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
71%
Top 20: 100%
Open market
9%
- Livia55%
- Zolly12%
- monthlee9%
- iSTIM5%
- Flyhorse5%
- Beurer4%
- Open — no brand owns it (4 brands, 9%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -21.9% search growth over the last 90 days.Peak months: Jan, Dec · busiest ÷ quietest = 2.0×
Top period pain relief device search terms
- period pain relief device25K/yr
- livia17K/yr
- livia menstrual pain relief device14K/yr
- ovira period pain relief device8K/yr
- tens unit for period cramps9K/yr
- menstrual pain relief device5K/yr
- period cramp relief device3K/yr
- cramp relief device3K/yr
- tens for menstrual cramps917/yr
- livia period pain relief583/yr
Top period pain relief device 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 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Livia Menstrual Pain Relief Device Lavender Off-Switch for Period Pain Portable & Discreet Rechargeable Up to 8 Hours Battery Complete Kit with Stick-On Pads The Go-to Travel Partner
Livia$133.184.2★955 rev
Menstrual Heating Pad for Period Cramps Portable Heating Pad for Period Cramps Relief with Heat & Massage Wearable Cordless Warmer for Pain Relief Rechargeable & Wireless for Women
Zolly$39.824.5★259 rev
Livia Menstrual Pain Relief Device Pink Off-Switch for Period Pain Portable & Discreet Rechargeable Up to 8 Hours Battery Complete Kit with Stick-On Pads The Go-to Travel Partner
Livia$133.794.2★955 rev
monthlee - Wireless Tens Machine for Period Pain Relief & Endometriosis | Electric Rechargeable Tens Machine for Pain Relief | 6 Massage Modes 20 Intensity Levels for Relaxation (Yellow)
monthlee$43.304.5★38 rev
Livia Flower Pads | Electrodes Menstrual Pain Relief Device | Compact Lightweight Discreet | Skin-Friendly & Easy to Apply | 1 Set of Electrodes
Livia$19.544.2★955 rev
Newest
by launch datemonthlee - Wireless Tens Machine for Period Pain Relief & Endometriosis | Electric Rechargeable Tens Machine for Pain Relief | 6 Massage Modes 20 Intensity Levels for Relaxation (Yellow)
monthlee$43.3038 rev
Menstrual Heating Pad for Period Cramps Portable Heating Pad for Period Cramps Relief with Heat & Massage Wearable Cordless Warmer for Pain Relief Rechargeable & Wireless for Women
Zolly$39.82259 rev
iStim S1 Wireless TENS Unit for Menstrual Relief Period Pain Relief Device for Period Cramps and Back Pain TENS Machine with Heat Rechargeable Drug-Free TENS Massager with Japanese Gel Pads
iSTIM$67.0672 rev
KingPavonini Wireless TENS Unit Muscle Stimulator for Pain Relief Portable Rechargeable TENS EMS Machine LED Screen Remote Dual Channel 6 Modes 16 Intensity Massager Charging Case (Blue)
KingPavonini$38.93882 rev
Belfiu TENS & PMS 24 Modes Muscle Stimulator for Pain Relief Therapy Electronic Pulse Massager Muscle Massager with 10 Pads Dust-Proof Drawstring Storage Bag Fastening Cable Ties
Belifu$30.6258,776 rev
Trending
90-day click momentumKingPavonini Wireless TENS Unit Muscle Stimulator for Pain Relief Portable Rechargeable TENS EMS Machine LED Screen Remote Dual Channel 6 Modes 16 Intensity Massager Charging Case (Blue)
KingPavonini$38.934.2★
monthlee - Wireless Tens Machine for Period Pain Relief & Endometriosis | Electric Rechargeable Tens Machine for Pain Relief | 6 Massage Modes 20 Intensity Levels for Relaxation (Yellow)
monthlee$43.304.5★
Menstrual Heating Pad for Period Cramps Portable Heating Pad for Period Cramps Relief with Heat & Massage Wearable Cordless Warmer for Pain Relief Rechargeable & Wireless for Women
Zolly$39.824.5★
Portable Cordless Menstrual Heating Pad with 4 Heat Levels and 4 Massage Modes Electric Fast Large Heating Belly Wrap Belt (Black)
Flyhorse$24.624.4★
iDOO Portable Heating Pad FSA Eligible Items Birthday Gifts for Mom Women Pink
iDOO$22.414.5★
What buyers say about period pain relief device
What buyers praise and complain about, mined from review topics.What buyers love
“Its easy to wear”
“Overall, its performance is consistent with the product description”
“so far it has been very effective”
“Excellent price”
“really helps loosen my muscles”
“Holds a charge forever”
“Amazing battery life”
“This is a very powerful tool”
“Small and portable”
“Very comfortable”
What buyers complain about
“DOES NOT CHARGE”
“Stopped Working After First Use”
“Will not function at all”
“Terrible battery”
“the ones I ordered dont fit”
“The heating function stopped working”
“I have severe back pain”
“Not verry good product”
“ULTRA sticky”
“Expensive”
Top return reasons
Common questions
- Is period pain relief device profitable to sell on Amazon United States?
- The niche generates $93K/yr across 14 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -21.9%. Flapen's verdict: Skip it (38/100).
- How competitive is the period pain relief device niche?
- 10 brands and 18 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in period pain relief device?
- Top complaints mined from reviews: Charging, Durability, Functionality-Overall. The return rate is 2.5%.
- When does demand for period pain relief device peak?
- Demand peaks in Jan–Dec; the busiest month runs 2.0× the quietest.
- What does it cost to enter the period pain relief device niche?
- Listings span $19.54–$133.79; the average listing price is $57.28 (sweet spot $15–$100). The average incumbent carries 7,659 reviews — the moat a new listing must climb.