Polar Loop
Fitness band
- Cheapest price
- £149.50
- Subscription
- None
- Over 3 years
- £149.50
Prices
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What it measures
- Heart rate
- HRV
- Sleep stages
- Deep sleep
- VO2 max
- Breathing rate
- Readiness score
- Steps
- ECG (no)
- Blood pressure (no)
As polar.com states it.
What it does
A screen-free fabric wristband with a stainless steel sensor case that tracks heart rate, sleep and daily activity around the clock. Data syncs to the Polar Flow app, with no subscription and up to four weeks of onboard memory.
From the description on polar.com.
Polar Loop specs
- Type
- Fitness band
- Battery
- 8 days (maker's claim)
- Water resistance
- WR30 (30 m), suitable for swimming
- Size
- 27 x 42 x 9 mm
- Weight
- 29 g total; 19.5 g without wristband
- Case and bezel
- Stainless steel
- Storage
- 16 MB
- Connectivity
- Bluetooth LE (one connection, for the Polar Flow app); 50 m range
- Cable
- Proprietary / USB-C
- Battery
- 170 mAh Li-Pol
- Operating temperature
- -20 to 50 °C
- Bands
- S/M 135 to 190 mm and M/L 160 to 230 mm, depending on band
- Guarantee
- 2 years
Further specs from polar.com.
How it compares
- To buy, it is the 8th cheapest of 14 fitness bands we compare (the middle one costs £144.75).
- Over three years, subscription included, it is the 8th cheapest of 14 fitness bands.
- It measures 2 of the 8 features we compare; the middle fitness band measures 5.
- It needs no subscription; 3 of the 14 do.
Polar Loop reviews and discussions
Reviews
Which?
- Which? tests of this kind of product members' content
Links to other sites' reviews and discussions; we do not run them and they are not ours.
Questions
- Where is the Polar Loop cheapest?
- Polar, at £149.50 when checked on 2026-10-29.
- Does the Polar Loop need a subscription?
- No subscription.
- What does the Polar Loop cost over three years?
- £149.50, the price plus any required subscription.
- How does the Polar Loop compare with other fitness bands?
- To buy, it is the 8th cheapest of 14 fitness bands we compare (the middle one costs £144.75). Over three years, subscription included, it is the 8th cheapest of 14 fitness bands. It measures 2 of the 8 features we compare; the middle fitness band measures 5.
Compare with
- 1
- 3 years
- £129.99
- Price
- £129.99
- Subscription
- Optional
- 2
- 3 years
- £139.99
- Price
- £139.99
- Subscription
- Optional
- 3
- 3 years
- £159
- Price
- £159
- Subscription
- Optional
Readings are not a diagnosis. If you are worried about your health, speak to your GP, pharmacist or NHS 111. How we earn.