Smartwatch Buying Guide: Best Pick for Every Person (Science‑Based)

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Video edited by Alex:

📸My Gear* (paid links, supports the channel and doesn’t cost you any more)📸
Camera body (main):
Camera lens (main):
Camera (B-roll 1):
Camera (B-roll 2): and
Light:
Softbox:
Light stand:
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬

Reference devices:
ZMax + Dreamento: &
Polar H10:
🔴 Polar H10:

Timestamps:
00:00 The Runner
09:46 Health “Obsessed”
16:57 Sleep Focused
22:04 Smartwatch for Good Sleep and Good HR (still Health “Obsessed”)
24:53 Gym Rat and Budget Options
29:10 Summary and Conclusions

5 Comments

  1. @TheQuantifiedScientist December 14, 2025 at 11:52 am

    ▬▬▬▬▬▬▬▬▬▬👇DISCOUNTS/AFFILIATES*!👇▬▬▬▬▬▬▬▬▬▬
    🔴 Eight sleep best $$$ (€) discount*: https://eight-sleep.ioym.net/TheQuantifiedScientist + add code “TQS” for full discount

    🔴 Whoop Strap MG / 5.0*: https://join.whoop.com/QuantifiedScientist
    (best $$$ off any new WHOOP membership)

    🔴 Anything on Amazon*: https://geni.us/thequantifiedscientist

    🔴 Levels CGM app best offer $$$ (USA only!)*: http://levels.link/QS
    🔴 Best Running app Runna*: https://web.runna.com/redeem?code=QUANT

    🔴 Oura Ring Link: I recommend you search for a discount on reddit with the “Refer-A-Friend” program! If you can’t find one: https://ouraring.sjv.io/Oura4 * (affiliate link that supports the channel, but doesn’t have a discount)
    🔴 Anything on Amazon*: https://geni.us/thequantifiedscientist

    ☝Affiliate* (paid) links. Supports the channel, doesn’t cost you any more!☝
    🟢 Instagram: https://www.instagram.com/quantified_scientist/
    🟡 Strava: https://www.strava.com/athletes/5206985
    🟠 Shorts: https://www.youtube.com/@smartwatchshorts
    🔵 Newsletter: http://www.robterhorst.com
    🟡 Twitter: @QuantifiedRob
    * Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn’t cost you any more! My opinions are completely my own, and this content is not sponsored.
    ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
    🟡 Support the channel by becoming a member🙏:
    https://www.youtube.com/channel/UChNWxrTlmh4IRSevon1X93g/join

    PodCast: (soon to come) https://www.youtube.com/@FitForScience⁩ ⁨@FitForScience⁩

    Subscribe: https://www.youtube.com/@TheQuantifiedScientist?sub_confirmation=1
    Video edited by Alex: https://linktr.ee/allexb

    📸My Gear* (paid links, supports the channel and doesn’t cost you any more)📸
    Camera body (main): https://geni.us/SonyA6600_body
    Camera lens (main): https://geni.us/SigmaContemporary
    Camera (B-roll 1): https://geni.us/Sony_ZVE1
    Camera (B-roll 2): https://geni.us/CanonEosM50MarkII and https://geni.us/Sony_ZVE10
    Light: https://geni.us/Godox_VL150
    Softbox: https://geni.us/NiceFotoSoftbox
    Light stand: https://geni.us/WalimexLightstand
    ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬

    Reference devices:
    ZMax + Dreamento: https://www.biorxiv.org/content/10.1101/2023.08.18.553744v1 & https://github.com/dreamento/dreamento
    Polar H10: https://pubmed.ncbi.nlm.nih.gov/31004219/
    🔴 Polar H10: https://geni.us/hnXc

    Timestamps:
    00:00 The Runner
    09:46 Health “Obsessed”
    16:57 Sleep Focused
    22:04 Smartwatch for Good Sleep and Good HR (still Health “Obsessed”)
    24:53 Gym Rat and Budget Options
    29:10 Summary and Conclusions

  2. @imyoursubconsciousmind4024 May 29, 2026 at 1:49 pm

    Great work 💯

  3. @christianvujnovich May 29, 2026 at 1:52 pm

    I wish you addressed Bevel and other apps that can pull data from oura ring and Apple Watch and Garmin etc

  4. You didn’t talk about which watch is most accurate at rep count when weightlifting

  5. @TheChivasRegal June 1, 2026 at 5:33 am

    Any subscription is an automatic no

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