activity trackers
Skip itWeak search conversion (1.4%) — this niche doesn't clear our bar today.
Avg price
Incredible£45.56avg listing price — sweet spot $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Returns
Great1.8%return rate — above 5% kills the launch gate
Price range
Great£7.60–£116.74cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Market size
Okay£125K£125K/yr · 200K searches
Competition
Okay70%top-5 click share — leaders hold, buyers still browse
Review moat
Bad5,590.38avg incumbent reviews — the moat a new listing must climb
Growth
Bad-5.2%90-day search growth — must beat 0% to launch
Conversion
Bad1.4%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United Kingdom niche tracking, activity trackers is a £125K/yr Amazon United Kingdom market (200K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Jan. Verdict: Skip it — 44/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
activity trackers market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- £91K–£114K
- units × avg price
- Conversion rate
- 1.4%
- Avg BSR
- #35
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 81%
- Out of stock
- 5.1%
- Avg brand age
- 23 months
- Avg seller age
- 179 days
Competition & brand share
The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
35
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
70%
Top 20: 100%
Open market
14%
- Garmin35%
- 3DActive21%
- XIAOMI12%
- Fitbit8%
- Runlio6%
- Generic4%
- Open — no brand owns it (6 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -5.2% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.4×
Top activity trackers search terms
- step tracker37K/yr
- sleep tracker51K/yr
- health tracker27K/yr
- steps tracker15K/yr
- activity tracker12K/yr
- sleep monitor15K/yr
- smart tracker7K/yr
- slim smart watch9K/yr
- fitness tracker for women5K/yr
- pedometer step counter watch7K/yr
Top activity trackers 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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Garmin sleep Monitor Smart Band with Advanced Sleep Tracking and Recovery Metrics L-XL
Garmin£116.743.5★229 rev

3DFitBud Simple Step Counter Walking 3D Pedometer By 3DActive with Clip Lanyard Accurate Step Tracker Large Display Easy to Use for Kids Men Women Adults Seniors - A420S - Light Blue
3DActive£19.964.4★793 rev

XIAOMI Smart Band 10 Fitness Tracker for Men Women 21-day battery Black
XIAOMI£30.524.4★11,329 rev

Garmin sleep Monitor Lightweight Smart Band for Tracking Stages Recovery Up to 7 Nights Battery Life S-M
Garmin£112.523.5★229 rev

Runlio Fitness Tracker with Sleep Monitor Activity Tracker with Step and Calories Counter IP67 Waterproof Fitness Watch with Pedometer Stopwatch for Women Men Black
Runlio£17.113.9★2,669 rev
Newest
by launch date
Google Fitbit Air - Screenless Activity Tracker with Fitness Heart Rate and Sleep Tracking - Personalized AI-Powered Coaching - Up to 7 Days Battery Life - Works with iOS and Android - Obsidian
Fitbit£68.19706 rev

Volt Fitness Tracker Band No Subscription Wearable Health Tracker with HRV Recovery & Sleep Tracking Waterproof Health Band with App for iPhone & Android
Generic£37.0779 rev

XIAOMI Smart Band 10 Fitness Tracker for Men Women 21-day battery Black
XIAOMI£30.5211,329 rev

XIAOMI Smart Band 10 Fitness Tracker for Men Women 21-day battery Rose
XIAOMI£30.7411,329 rev

Amazfit Helio Strap Fitness Tracker Wristband 24/7 Activity & Sleep Tracker with Heart Rate 10 Days Battery 50+ Sports Modes Strength Training Hyrox Race Subscription Free for Android & iPhone
Amazfit£82.432,280 rev
Trending
90-day click momentum
Google Fitbit Air - Screenless Activity Tracker with Fitness Heart Rate and Sleep Tracking - Personalized AI-Powered Coaching - Up to 7 Days Battery Life - Works with iOS and Android - Obsidian
Fitbit£68.194.3★

3DFitBud Simple Step Counter Walking 3D Pedometer By 3DActive with Clip Lanyard Accurate Step Tracker Large Display Easy to Use for Kids Men Women Adults Seniors - A420S - Light Blue
3DActive£19.964.4★

Volt Fitness Tracker Band No Subscription Wearable Health Tracker with HRV Recovery & Sleep Tracking Waterproof Health Band with App for iPhone & Android
Generic£37.073.9★

XIAOMI Smart Band 10 Fitness Tracker for Men Women 21-day battery Rose
XIAOMI£30.744.4★

Smart Watch for Women 1.47 inches Fitness Watch with 24 Sports Modes 2Straps Heart Rate Sleep Monitor SpO2 Step Counter Activity Tracker IPX8 Waterproof Fast Charging Smartwatch for Android iOS
IOWODO£16.274.1★
What buyers say about activity trackers
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent value for money”
“the actual watch quality surprised me for the price”
“easy to use out the box”
“Good battery”
“HR/HRV very accurate”
“As advertised”
“Its very comfy”
“Well laid out app”
“+ Lightweight and comfortable”
“Works well”
What buyers complain about
“it doesnt charge”
“Terrible app”
“Low quality”
“after a year it is breaking”
“Heart rate 15% inaccurate”
“Not working”
“It should have been another star off for a really high price”
“The screen is super small”
“is wildly inaccurate - I've apparently been floating for the last two hours. on top of smaller inaccuracies noticed over a few days”
“Poor Strap”
Top return reasons
Common questions
- Is activity trackers profitable to sell on Amazon United Kingdom?
- The niche generates £125K/yr across 16 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -5.2%. Flapen's verdict: Skip it (44/100).
- How competitive is the activity trackers niche?
- 12 brands and 35 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in activity trackers?
- Top complaints mined from reviews: Charging, Software/Application, Quality-Overall. The return rate is 1.8%.
- When does demand for activity trackers peak?
- Demand peaks in Jan; the busiest month runs 1.4× the quietest.
- What does it cost to enter the activity trackers niche?
- Listings span £7.60–£116.74; the average listing price is £45.56 (sweet spot $15–$100). The average incumbent carries 5,590 reviews — the moat a new listing must climb.