Product comparison · Laser Hair Growth Caps & Helmets

illumiflow 148 vs Kiierr 148 Pro

The illumiflow 148 scores 6.7 and ranks 8th of 40 in Laser Hair Growth Caps & Helmets; the Kiierr 148 Pro scores 6.4 and ranks 10th of 40 in Laser Hair Growth Caps & Helmets.

All 7 illumiflow products
illumiflow 148 Laser Cap

illumiflow 148

$799 · 8th of 40 in Laser Hair Growth Caps & Helmets

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    6.7
    vs
    6.4
    All 11 Kiierr products
    Kiierr 148 Pro Laser Cap

    Kiierr 148 Pro

    $799 · 10th of 40 in Laser Hair Growth Caps & Helmets

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      Across everything we scored, illumiflow 148 sits 0.34 ahead.

      Verdict

      148 ahead · +0.34 (6.7 vs 6.4)

      Pick the illumiflow 148 when

      A criterion we do not score decides itthe 148 leads on none of the ones we do

      Pick the Kiierr 148 Pro when

      A criterion we do not score decides itthe 148 Pro leads on none of the ones we do

      Scored 11 November 2026 from published specs and owner reviews. We don't buy or test units. How we score

      Usability illumiflow 148 and Kiierr 148 Pro, scored 0 to 10

      Same score

      • Verificationillumiflow 148: 7Kiierr 148 Pro: 7

        illumiflow 148

        • Own 510(k), K173843, names the 148 and describes its 148 diodes at 650 nm
        • Filed by: eGlobal, LLC, in January 2018
        • Match: the filing also describes about 740 mW and a 30-minute session

        Kiierr 148 Pro

        • Kiierr's own 510(k), K181878 (2018), describes this 148-diode cap
        • Maker: the filing calls both caps private-label units of a cap made by Cosmo Far East of Shenzhen
      • Wavelength Specillumiflow 148: 9Kiierr 148 Pro: 9

        illumiflow 148

        • One published wavelength: 148 diodes at 650 nm, pulsed
        • Output not scored: 740 mW in total is illumiflow's figure; no measurement has been published

        Kiierr 148 Pro

        • 148 diodes at a published 650 nm, 740 mW in total per Kiierr
        • Output not scored: Kiierr publishes no measurement, and none has been published
      • Coverageillumiflow 148: 6Kiierr 148 Pro: 6

        illumiflow 148

        • 148 diodes in a rigid dome sized for heads about 23.5 inches around
        • Against the 272 Pro: the same rigid dome with 124 more diodes

        Kiierr 148 Pro

        • 148 diodes in a rigid dome, for heads up to 23.5 inches around
      • Build Qualityillumiflow 148: 5Kiierr 148 Pro: 5

        illumiflow 148

        • Rigid dome worn under the included baseball-style cap

        Kiierr 148 Pro

        • Rigid dome worn under a ball cap, held by a stretch headband
      • Warranty & Supportillumiflow 148: 4Kiierr 148 Pro: 4

        illumiflow 148

        • 2-year warranty; guarantee refunds only in days 365 to 395, less 25 percent
        • Returns: none in the first 365 days; register the cap with a before photo within 45 days
        • Fee: the 25 percent fee is waived for twelve monthly photos
        • Extension: 3 years for $99, bought only with the cap

        Kiierr 148 Pro

        • 2-year warranty and a 7-month money-back guarantee
        • Fee: guarantee refunds keep a 25 percent fee and need a before photo registered within 45 days
        • Window: the guarantee refunds a cap returned 210 to 240 days after delivery
      • Ease of Useillumiflow 148: 5Kiierr 148 Pro: 5

        illumiflow 148

        • 30-minute sessions every other day on a battery pack, with auto-off
        • Power: a rechargeable battery pack with a power cord and wall adapter

        Kiierr 148 Pro

        • Pulsed 30-minute sessions every other day, cordless, with auto-off
        • Charging: the battery pack took 10 to 12 hours to recharge in Wareable's test
      • Valueillumiflow 148: 7Kiierr 148 Pro: 7

        illumiflow 148

        • $799, $100 below the 272 Pro and the lowest-priced illumiflow cap

        Kiierr 148 Pro

        • $799, $400 below the 272 Premier, which has 124 more diodes

      Not scored for either

      • Light Outputillumiflow 148: not scoredKiierr 148 Pro: not scored

      Social score about the illumiflow 148 and the Kiierr 148 Pro

      • Redditillumiflow 148: 6 (higher)Kiierr 148 Pro: 3

        The illumiflow 148 reading covers its product line; the Kiierr 148 Pro reading covers the whole brand.

        illumiflow 148

        Read the full summary
        • Scope: no Reddit owner names the 148, so this reading is of the 272, the same rigid dome under a ball cap with 124 more lasers
        • Where: a handful of owners describe the illumiflow 272 between 2022 and 2025, in r/tressless, r/hairlosstreatments and r/FemaleHairLoss; none carries a link or code
        • Lasting: one owner who bought a 272 on Amazon in 2018 called it still going strong in January 2025
        • Broken: another said in July 2025 that the illumiflow cap bought seven or eight years earlier, used three or four times a week, had just broken
        • Support: one owner returned a failed battery pack in December 2023 and had a replacement in about a week and a half, praising the email follow-up
        • No phone: the same owner noted there is no phone line, which a would-be buyer in 2022 had also found
        • Fit: a UK owner said in September 2025 that the cap was too big for her head with no way to tighten it, and that she paid about 150 pounds in import duty

        Kiierr 148 Pro

        Read the full summary
        • Focus: Reddit discussion of Kiierr is mostly about the company rather than one cap, and it runs negative on the guarantee and on support
        • Guarantee fee: in a July 2026 r/tressless thread (32 comments), one owner says a return requested after 10 months on the extended guarantee drew the 25 percent service fee, over $500
        • Reason: monthly photos had been sent, but the returns manager wanted them submitted month by month with no lapse
        • Paid content: the poster and another commenter say most Kiierr content they find on Instagram and Reddit is paid partnerships and affiliate blog posts
        • MD cap thread: the long-running r/redlighttherapy thread on the Kiierr MD cap (94 comments, 2022 to 2026) carries a November 2022 owner report
        • Owner report: a battery that soon needed charging after every session, a loose USB connector, a cap too small with the larger size costing about twice as much, and a refund only after 7 months with photos and a restocking fee
        • Later replies: $1,500 lost with emails and calls ignored (January 2024); an order that shipped while it was being cancelled and could not then be returned (August 2025)
        • European buyer: waited a month for delivery, called the build very good quality and never received the promised gifts (July 2025)
        • Ads: an October 2025 r/Hairloss thread (5 comments) calls Kiierr's Reddit ads predatory, and an August 2026 commenter says the brand advertised a Shark Tank appearance it never made
      • Googleillumiflow 148: 6Kiierr 148 Pro: 7 (higher)

        The illumiflow 148 reading covers its product line.

        illumiflow 148

        Read the full summary
        • Scope: the web holds no hands-on review of the 148, so this reading is of the 272, the same rigid dome with 124 more lasers
        • Matt Kornfield: on Medium in October 2022, with no affiliate link, bought the 272 himself for about $650 and wore it every other day for 30 minutes over six months
        • Kornfield found: simple to use, though it beeps loudly and warms the head
        • Wareable: an August 2026 guide that earns commission through its illumiflow, Kiierr and iRestore links, and says each cap was worn by a team member over six months
        • Wareable verdict: named the 272 Pro its pick for deep stimulation and found the design comfortable; counted the 30-minute every-other-day sessions and a less premium feel as drawbacks
        • Innerbody Research: links the cap through an Amazon affiliate tag and sells Kiierr under its own code
        • Innerbody found: the 272 the lowest-priced 272-laser cap, but its battery good for three to four sessions, about half of Kiierr's; the case costs extra and guarantee refunds carry a 25 percent fee

        Kiierr 148 Pro

        Liked

        • Light at about one pound, comfortable for full sessions, per Wareable
        • Easy to travel with and discreet, per Wareable
        • Beep every 10 minutes tracks the session, per Wareable

        Complaints

        • Power pack takes 10 to 12 hours to fully charge, per Wareable
        • Missed sessions when the pack was not charged, per Wareable
        • 2-year warranty against Capillus's 3 years, per Wareable
        Read the full summary
        • Coverage: one hands-on review covers the 148 Pro
        • Wareable: Emilija Lipskyte's May 2026 test, on a site that earns affiliate commission through its Kiierr links, used the 148 Pro for three months and rated it 3.5 out of 5
        • Liked: at about one pound, comfortable through full 30-minute sessions, easy to travel with and discreet; a beep every 10 minutes marks progress through a session
        • Main annoyance: the power pack takes 10 to 12 hours for a full charge, and forgetting to charge it cost her sessions
        • Terms: she priced it at $799 as Kiierr's entry cap, set its 2-year warranty against Capillus's 3 years, and noted that the 7-month guarantee requires registration with before photos within 45 days and that refunds may carry a fee
        • Other coverage: the rest of the 148-specific web coverage is affiliate listicles restating Kiierr's specification beside discount codes
      • YouTubeillumiflow 148: 6Kiierr 148 Pro: 6

        The illumiflow 148 reading covers its product line; the Kiierr 148 Pro reading covers its product line.

        illumiflow 148

        Read the full summary
        • Scope: no video outside illumiflow's own channels shows the 148; the only videos naming it are on the Premium Web channel run by illumiflow's site operator, so this reading is of the 272, the same rigid dome
        • Ryan's Reviews & Tutorials: earns Amazon commission through its links to both the illumiflow 272 and the Capillus it compares (December 2023, about 6,500 views)
        • Against the Capillus: set beside the Capillus he had used for eight years, the two shells were almost identical in shape, size, material and fit
        • Added: the illumiflow has a status light, a chirp and a 30-minute automatic shut-off; he got about three to four sessions per charge
        • Battery: its plug differs, so the two caps' batteries are not interchangeable
        • Fit: on a smaller head the cap sits back or has to be propped up
        • Not judged: he had not owned it long enough to judge how long it lasts
        • Not counted: illumiflow's own channel and the Premium Web channel run by its site operator are first-party

        Kiierr 148 Pro

        Read the full summary
        • Source: the 148 Pro has no video of its own, so the pool rests on two Healthnews reviews of the 272 Premier, which shares the 148 Pro's ball-cap format, carrying case and power-pack charger
        • Disclosure: the channel sells the cap through affiliate links under the discount code CYB
        • July 2024 review: 12,783 views; snug and comfortable under its stretch headband at about one pound, and the portable power pack frees it from a wall outlet
        • Heat: the head stayed hot to the touch for 5 to 6 minutes after a session
        • January 2026 review: 3,708 views; the cap felt like a regular hat with a little extra weight, the hard-shell travel case was praised, and the power pack did not take long to charge
      • Amazonillumiflow 148: 6Kiierr 148 Pro: 7 (higher)

        The illumiflow 148 reading covers its product line; the Kiierr 148 Pro reading covers its product line.

        illumiflow 148

        Read the full summary
        • Scope: illumiflow's only cap file on Amazon US is the 272's, the same rigid dome as the 148, so this reading is of that file
        • Listing: illumiflow's one cap listing on Amazon US (ASIN B07369NRJV), sold by illumiflow at $899.99, is the 272
        • Rating: 3.7 from 497 ratings, read 2 October 2026; 51 percent five-star against 19 percent one-star, with 30 percent across the middle three bands
        • Scoring: review text and Vine labels need sign-in, so the pool is scored from the split alone
        • Rebates: scored a point below the doubled average because illumiflow's rebate page offers $100 for a post on Amazon and its BBB reply says it always offers rebates or gift cards for reviews

        Kiierr 148 Pro

        Read the full summary
        • Listing: Kiierr's only cap listing on Amazon US (ASIN B0BGT7JBNM) is titled "Family of Devices, 272 and 148" but offers no variation selector
        • Sells: the 272 Premier at $1,099.99, sold by Kiierr International and fulfilled by Amazon; no separate 148 Pro listing exists
        • Rating: 3.8 from 107 ratings, one review file for the family; no rating on it can be tied to the 148
        • Split: 56 percent five-star against 18 percent one-star, with 26 percent across the middle three bands
        • Tags: quality in 24 reviews, 22 positive; ease of use in 20, all positive; fit in 8 (5 positive); battery life in 6 (4 positive); size in 5, 4 negative
        • Visible reviews: one names the 272 Premiere and none the 148; the one-star review shown (July 2026) reports a unit that broke within 60 days and a replacement battery promised four weeks earlier that had not shipped

      illumiflow 148 vs Kiierr 148 Pro: pros and cons

      illumiflow 148

      Overall score 6.7

      Strengths

      • Own 510(k) clearance names and describes the 148
      • Wavelength and total power published by illumiflow
      • Cordless battery pack with auto-off
      • Lowest-priced illumiflow cap

      Drawbacks

      • Long sessionsevery other day
      • Light output unverified
      • Short warranty
      • Guarantee refunds only after a yearless a fee
      • No returns in the first year
      • No Amazon listing of its own

      Kiierr 148 Pro

      Overall score 6.4

      Strengths

      • Own 510(k) describes this exact cap
      • Cordlesswith auto-off
      • $799, the lowest-priced Kiierr cap
      • Money-back guarantee
      • Wavelength and total power published

      Drawbacks

      • Long sessionsevery other day
      • Output unmeasured
      • Warranty shorter than Capillus'sper Wareable
      • Guarantee refunds carry a fee and strict photo rules
      • Slow battery rechargeper one review
      • No Amazon listing of its own

      illumiflow 148 vs Kiierr 148 Pro: the numbers

      Price, scores and rank, then only the specs that differ. Green marks the side with more.

      6.7
      Overall
      Usability6.2
      Social6.0

      8th of 40 in Hair Caps & Helmets

      6.4
      Overall
      Usability6.2
      Social5.8

      10th of 40 in Hair Caps & Helmets

      Same on both

      • Hair capDevice type
      • Red (620-680 nm)Wavelength bands
      • Not measuredMeasured irradiance
      • Not listedClaimed irradiance
      • 510(k) clearedFDA status
      • None verifiableSafety listings
      • Detachable battery packPower
      • Over 20 minSession length
      • 2 YearsWarranty
      • Not listedDimensions
      • Not listedWeight

      We earn a commission if you buy through these links. It never changes a score.

      Not sold on either one?

      The top-scored and the cheapest other pick from each brand.

      More from illumiflow 4 scored in Laser Hair Growth Caps & Helmets

      illumiflow 272 Pro Laser Cap
      Top scoredillumiflow 272 Pro$899$100 more
      7.7
      What’s different
      • Nothing we record differs.
      Pick it ifValue matters9vs7

      More from Kiierr 4 scored in Laser Hair Growth Caps & Helmets

      Kiierr 272 Premier Laser Cap
      Top scoredKiierr 272 Premier$1,199$400 more
      7.4
      What’s different
      • Nothing we record differs.
      Pick it ifCoverage matters8vs6

      illumiflow 148 vs Kiierr 148 Pro: common questions

      Is the illumiflow 148 better than the Kiierr 148 Pro?

      On our scores, the illumiflow 148 is ahead, 6.7 against 6.4.

      What do owners say about the illumiflow 148 and the Kiierr 148 Pro?

      Across 4 independent sources scored for both, the illumiflow 148 is ahead on Reddit; the Kiierr 148 Pro is ahead on Google and Amazon; YouTube is level.

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      Scores calculated 11 November 2026 · Products excluded where fewer than two independent sources cover them ·  · How we score

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