---
title: "Slendertone — £255K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/slendertone"
last_updated: "2026-07-31T08:58:10.639Z"
locale: en
meta:
description: "Niche score 54/100 · £255K/yr market · 181K searches/yr · £59.34 avg price. Soft demand (-12.0% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · £255K/yr market · 181K searches/yr · £59.34 avg price. Soft demand (-12.0% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Slendertone — £255K/yr Amazon UK Niche (2026) - Flapen"
---
# **slendertone**
**Worth a look**
Shows beatable incumbent ratings (4.1★), but soft demand (-12.0% this quarter) keeps it on the watch list.
Market size 47Growth 19Conversion 30Competition 67Returns 64Price range 55Avg price 90Brand share 71Review moat 25Quality gap 90
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****£59.34**
avg listing price — sweet spot $15–$100
**Brand share**
**Good****63%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****45%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Good****2.5%**
return rate — above 5% kills the launch gate
**Price range**
**Good****£16.71–£166.81**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****£255K**
£255K/yr · 181K searches
**Conversion**
**Okay****2.4%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****4,586.47**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-12.0%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** High Price**](https://flapen.com/research/niches?market=uk&signal=high_price "Avg price > $50")
According to Flapen's Amazon United Kingdom niche tracking, slendertone is a £255K/yr Amazon United Kingdom market (181K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 54/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **slendertone market data**
- **Units sold / yr**
- **4K–5K**
- avg 0–100/product
- **Revenue / yr**
- **£237K–£297K**
- units × avg price
- **Conversion rate**
- **2.4%**
- **Avg BSR**
- **#175**
- **Page quality**
- **0%**
- **Prime**
- **83%**
- **Sponsored**
- **97%**
- **Out of stock**
- **16.8%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **169 days**
## **Competition & brand share**
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**19 **▼falling
**Sellers**
**36**
**Top-5 brand share**
**63%**
Top 20: 100%
**Top-5 click share**
**45%**
Top 20: 87%
**Open market**
**32%**
- EVOLAND18% - AUVON18% - Slendertone11% - SLENDERTONE9% - iWarmbase7% - ABFLEX6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -12.0% search growth over the last 90 days.
8K6KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb · busiest ÷ quietest = 3.1×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/slendertone/trend)
## **Top slendertone search terms**
- **ems muscle stimulator**64K/yr-6.8%1.6% conv. - **slendertone**34K/yr-2.3%1.5% conv. - **muscle stimulator**22K/yr-29.2%1.7% conv. - **ems**16K/yr+13.5%0.9% conv. - **slendertone belt**22K/yr-43.9%1.4% conv. - **slendertone abs belt**4K/yr+170.7%1.9% conv. - **electric muscle stimulator**6K/yr+1.2%2.1% conv. - **muscle stimulater machine**14K/yr-98.3%0.0% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/slendertone/search-terms)
## **Top slendertone 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.
0%5%£13K10%£25K15%£38K20%£51K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**EVOLAND Vibration Plate Exercise Machine Fitness Vibration Trainer**EVOLAND**£48.84**4.6★2,118 rev](https://www.amazon.co.uk/dp/B07LGN21BY) [2**AUVON Dual Channel TENS Machine for Pain Relief TENS Unit Muscle Stimulator with 20 Modes 2 and 2x4 TENS Pads Replacement**AUVON**£20.41**4.6★14,827 rev](https://www.amazon.co.uk/dp/B0841BD4JY) [3**Slendertone Evolve Abs Trainer EMS Training Device Abdominal Muscle Trainer Abdominal Trainer with 12 Programs and 100 Intensities Portable Muscle Stimulator for Abdomen Fitness Training**SLENDERTONE**£147.11**3.6★199 rev](https://www.amazon.co.uk/dp/B09V5CWRTV) [4**ABFLEX Ab Toning Belt and Ab Stimulator for Slender Toned Stomach Muscles Remote for Quick and Easy Adjustments 99 Intensity Levels and 10 Workouts for Fast Results Workout Belt**ABFLEX**£30.88**4.1★11,895 rev](https://www.amazon.co.uk/dp/B01FX10BH2) [5**EMS Muscle Stimulator ABS Trainer Abdominal Muscle Toner Electronic Workout Home Fitness Device with 8 Modes 29 Intensities 4 Machines 4 Patches 12 Gel For Abdominal/Arm/Leg/Hip Training-Blue**Mexlyca**£18.32**3.7★82 rev](https://www.amazon.co.uk/dp/B0FJWJ5PD7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**iWarmbase EMS Muscle Stimulator Portable Electric ABS Stimulator with 6 Modes & 19 Intensities Six Pack Machine AB Trainer Full Body Arm/Legs/Hip for Men Women**iWarmbase**£22.99**0 rev2mo ago](https://www.amazon.co.uk/dp/B0GYPJZGVL) [**iWarmbase EMS Muscle Stimulator**iWarmbase**£22.09**2 rev3mo ago](https://www.amazon.co.uk/dp/B0GWPN633N) [**UIOF Ems Muscle Stimulator ABS Trainer Muscle Stimulator**UIOF**£24.10**6 rev4mo ago](https://www.amazon.co.uk/dp/B0GQXK8TGM) [**EMS Muscle Stimulator ABS Trainer Abdominal Muscle Toner Electronic Workout Home Fitness Device with 8 Modes 29 Intensities 4 Machines 4 Patches 12 Gel For Abdominal/Arm/Leg/Hip Training-Blue**Mexlyca**£18.32**82 rev12mo ago](https://www.amazon.co.uk/dp/B0FJWJ5PD7) [**TENS Machine for Pain Relief GHTENS Rechargeable EMS Unit with 5 Modes 80 Programs Dual Channels & 8 Electrode Pads for Back Sciatica Shoulder Pain**GHTENS**£24.60**1,212 rev1y ago](https://www.amazon.co.uk/dp/B0F9L9YLZJ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**iWarmbase EMS Muscle Stimulator Portable Electric ABS Stimulator with 6 Modes & 19 Intensities Six Pack Machine AB Trainer Full Body Arm/Legs/Hip for Men Women**iWarmbase**£22.99**0.0★**▲ 220%**](https://www.amazon.co.uk/dp/B0GYPJZGVL) [**BENTENG EMS Muscle Stimulator ABS Trainer Belt Abdominal Exerciser Stimulator Abdominal Toning Belt Portable Fitness Trainer for Arm and Leg No Need Gel Pads USB Rechargeable(8 Modes 19 Levels)**BENTENG**£31.70**2.0★**▲ 218%**](https://www.amazon.co.uk/dp/B0H26KKZLN) [**iWarmbase EMS Muscle Stimulator**iWarmbase**£22.09**4.5★**▲ 217%**](https://www.amazon.co.uk/dp/B0GWPN633N) [**Compex Corebelt 5.0 Unisex-Adult Ab and Lumbar Electro Stimulation Belt (EMS) 9 Programs for a Flatter Firmer Stomach Black**Compex**£136.74**3.9★**▲ 209%**](https://www.amazon.co.uk/dp/B09SV9T8VY) [**Slendertone Womens Abs7 Full Female Toning Pack Black 69-119cm 27-47cm 34-40 NA Abs7 Full Female Toning Pack**Slendertone**£166.81**3.8★**▲ 195%**](https://www.amazon.co.uk/dp/B08NT8JYHS)
**~~View all trending →~~**
## **What buyers say about slendertone**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**15%
*“Good for the money”*
**Quality-Overall**14%
*“Really high quality device”*
**Ease Of Use**13%
*“Delivered quickly easy to use”*
**Muscle Pain Relief**6%
*“It relaxes the muscles”*
**Advertised Vs Actual Product**5%
*“Seems to work as it should”*
**Joint Pain**5%
*“Gave relief to my knees after the first use”*
**Efficiency**5%
*“it does its job well”*
**Battery Life**4%
*“long lasting battery”*
**Strength**3%
*“seems solidly built”*
**Charging**2%
*“holds it's charge very well”*
### **What buyers complain about **
**Functionality-Overall**10%
*“I didnt believe in its effectiveness either”*
**Durability**9%
*“Broke and started shocking me after a few months”*
**Quality-Overall**7%
*“Really cheap and low quality product for the price”*
**Instructions/User Manual/Troubleshooting**5%
*“the instructions are poor”*
**Charging**5%
*“Doesnt charge or turn on”*
**Size-Overall**5%
*“Dont get me wronf the fit is good put the functio s dont do the job”*
**Adhesion/Stickiness**5%
*“Pads very sticky”*
**Strength**3%
*“it is very flimsy”*
**Battery Life**3%
*“the battery life is practically none existent”*
**Allergies**3%
*“But my lord it really does make you itch all over”*
### **Top return reasons **
**Functionality-Overall**32%
**Defective Material/Parts**9%
**Joint Pain**6%
**Size-Overall**6%
**Advertised Vs Actual Product**5%
**Charging**4%
**Adhesion/Stickiness**3%
**Ease Of Use**3%
**Compatibility-Overall**3%
**Instructions/User Manual/Troubleshooting**3%
## **Common questions**
- **Is slendertone profitable to sell on Amazon United Kingdom?**
- The niche generates £255K/yr across 30 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is -12.0%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the slendertone niche?**
- 19 brands and 36 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 63% of demand.
- **What do buyers complain about in slendertone?**
- Top complaints mined from reviews: Functionality-Overall, Durability, Quality-Overall. The return rate is 2.5%.
- **When does demand for slendertone peak?**
- Demand peaks in Jan–Feb; the busiest month runs 3.1× the quietest.
- **What does it cost to enter the slendertone niche?**
- Listings span £16.71–£166.81; the average listing price is £59.34 (sweet spot $15–$100). The average incumbent carries 4,586 reviews — the moat a new listing must climb.
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