Nuvo vs GlycanAge: Daily Biological Age App or Lab Glycan Test?

Pick GlycanAge for a periodic IgG glycan biological age kit ($499). Pick Nuvo for a daily 21-biomarker bio age on iPhone, $24.99/yr.

Written by the Nuvo Longevity editorial team at Firefly Labs LLC.

Choose GlycanAge if you want a periodic, lab-analyzed biological age from immunoglobulin G (IgG) glycans — an at-home finger-prick kit that estimates inflammaging, not a daily phone score. Choose Nuvo if you want a daily biological age on iPhone and Apple Watch from 21 biomarkers — HealthKit wearables plus optional conventional lab PDF — with on-device AI, no account, and $24.99/year after a 7-day trial. GlycanAge is a glycan lab clock you run once or every few months. Nuvo is a daily on-device coach on the hardware you already carry. Many people who already bought a GlycanAge kit still want that daily 21-biomarker number; they can stack.

Written by the Nuvo Longevity editorial team at Firefly Labs LLC, the developer of Nuvo. GlycanAge details below are taken from GlycanAge’s public homepage, test page, Price & Plans page, help-center RRP article, August 2026 cost-comparison blog, sample report, privacy/cookies policy, consent page, and terms, checked 17 September 2026. USD kit prices cited are the public $499 / $849 figures GlycanAge prints; we do not invent checkout promotions or installment totals. This page is educational and is not medical advice.

What each product actually sells

GlycanAge: an at-home IgG glycan biological age kit

GlycanAge (GlycanAge Ltd) sells a mail-in biological age test that estimates how old your immune system looks from N-glycans attached to immunoglobulin G (IgG) — the most abundant antibody in blood. GlycanAge’s homepage and test page (checked 17 September 2026) describe an at-home finger-prick: register the kit, put four drops of blood on a collection card, and post it back in a prepaid envelope. Results land in a personal dashboard in about 3–4 weeks. Every purchase includes a full report, glycan indexes, and a 1:1 result interpretation call with a GlycanAge specialist (the test page footnote says that call is valid for 60 days after results are ready). GlycanAge marks the product HSA/FSA eligible and says prepaid return shipping is included in the US and UK.

What the kit reports, per GlycanAge’s public pages and sample report:

• A biological age in years from IgG glycan patterns linked to chronic inflammation (“inflammaging”), compared with chronological age.
• Glycan indexes — GlycanAge’s copy says the assay analyzes 29 IgG glycan structures, grouped into indexes that reflect pro- versus anti-inflammatory protection plus signals they associate with vascular resilience, stress, and recovery. The sample report describes isolating IgG from plasma, releasing N-glycans with PNGase F, and quantifying them by capillary gel electrophoresis with laser-induced fluorescence (CGE-LIF).
• Personalized insights plus the specialist call — not a morning wearable score.

Lab claims GlycanAge prints on the homepage: CLIA-certified laboratory, triplicate sample analysis, in-day measurement precision of ±1 year, 300,000+ samples analyzed, 350+ scientific publications, 30+ years of glycobiology research. GlycanAge is explicit that the test is not a diagnosis of a specific illness.

Public US pricing we could verify on 17 September 2026: GlycanAge’s help article What’s the cost of a test? lists recommended retail as $499 for one kit and $849 for two kits (GBP £379 / £649; EUR €499 / €849). GlycanAge’s own August 2026 cost comparison repeats $499 single / $849 two-test bundle and says every plan includes the 1:1 call. The consumer Price & Plans page describes plan cadences — one-off, every 6 months, every 12 months — but the public HTML we fetched did not print dollar amounts on that page, so we do not invent them. GlycanAge’s blog mentions monthly instalments without a public monthly figure we can cite; we will not invent one. You create a GlycanAge account, register the kit, and view results in that dashboard. GlycanAge is not an iPhone daily coach. It does not read Apple Watch, Oura, or Garmin as the clock. It is a periodic lab glycan test.

Nuvo: a daily 21-biomarker score

Nuvo Longevity (App Store: Nuvo: Longevity Coach, id 6762535065) is an iPhone and Apple Watch app. It calculates a daily biological age from 21 biomarkers: Apple Health / HealthKit data from Apple Watch, Oura, or Garmin, plus optional lab PDF upload so conventional results you already paid for (HbA1c, fasting glucose, HDL, CRP, creatinine, and more) sit in the same score.

Coaching runs as on-device private AI (Nuvo Intelligence). There is no account. Apple’s privacy nutrition label for Nuvo is Data Not Collected. Health data stays on the phone. Price is $4.99/month or $24.99/year after a 7-day trial — $24.99/year is $2.08/month billed annually. Nuvo is not Android, does not sell a glycan kit, and does not process IgG glycosylation.

Nuvo is not GlycanAge, an IgG N-glycan chromatogram, or a 29-structure glycan index. If the job is “mail four drops of blood and get a lab inflammaging age plus a specialist call,” that is GlycanAge. If the job is “one daily biological age from 21 biomarkers, including optional labs, privately, on the phone you already carry,” that is Nuvo. Download app. For the wider field, see our 2026 biological age app comparison. For a DNA-methylation blood-spot kit rather than glycans, see Nuvo vs TruDiagnostic (TruAge). For a cheek-swab epigenetic kit, see Nuvo vs Tally Health. For a 160+ conventional lab membership, see Nuvo vs Function Health.

Comparison table

What the science actually measures

Glycans are sugar chains attached to proteins. On IgG they shift with age, inflammation, hormones, and lifestyle. That is a different measurement family from DNA methylation clocks and from a wearable-plus-chemistry composite. The glycan-aging literature GlycanAge’s own cost article cites includes:

• Krištić J et al. Glycans are a novel biomarker of chronological and biological ages. J Gerontol A Biol Sci Med Sci 2014;69(7):779–789 — IgG glycans as a chronological and biological age marker in a large population sample.

That paper (and the glycobiology stack GlycanAge commercializes) validates IgG glycosylation against age and inflammatory biology in research cohorts. It does not say a daily iPhone score is the same object. Nuvo’s 21 biomarkers are wearable plus optional blood chemistry — heart-rate variability, sleep, fitness, and conventional labs such as HbA1c or CRP, not a 29-peak IgG glycan profile. A GlycanAge of 41 and a Nuvo daily score of 41 are not interchangeable, even if both are labeled “biological age.”

Can they stack?

Yes, as complementary layers — not as two skins of one clock. GlycanAge is the one-time or periodic IgG-glycan snapshot (GlycanAge’s public plans include 6- and 12-month cadences; their cost blog discusses retesting on a 3–4 month window for some medical interventions and 6–12 months for lifestyle). Nuvo is the daily trend on HealthKit plus optional conventional labs. Nuvo does not ingest GlycanAge, glycan indexes, or IgG chromatograms as named inputs. If you also have a standard lab PDF (Function, Quest, a clinician panel), that PDF can sit in Nuvo’s 21-biomarker score. A GlycanAge report is still worth reading on its own; it is not a drop-in replacement for those conventional markers inside Nuvo.

Privacy

GlycanAge is an account and lab product. To get results you register a kit and sign in. GlycanAge Ltd’s consent page says third-party laboratories — including labs outside the UK or the country you live in — may receive your blood sample and questionnaire data, and that GlycanAge will not share personal identification data except as described (yourself, your advisor, or as required by law). Terms state GlycanAge will not release individual-level report information to third parties without explicit consent unless required by law, and describe optional research use of aggregated or consented data. That is a normal design for a mailed blood lab. It is not Nuvo’s design.

Nuvo requires no account and uses the Apple privacy label Data Not Collected. Coaching is on-device. Data stays on the phone. If you will not put an IgG glycan profile on a lab account, do not buy GlycanAge. If you will not put longitudinal wearable and lab data on an app account, Nuvo is the one built for that constraint. Architecture notes: health app privacy and on-device AI.

Where GlycanAge wins

GlycanAge wins if the job is a lab IgG-glycan biological age from a mailed blood spot. That is the inflammaging clock GlycanAge sells: 29 glycan structures, CLIA lab, specialist call, ±1 year in-day precision on their homepage. Nuvo does not claim to beat GlycanAge at N-glycan chromatography, glycan indexes, or a 1:1 interpretation of that report. If that is the product you came to buy, buy GlycanAge.

GlycanAge also wins on depth of a single immune-aging time point. One kit is a lab snapshot trained on glycan biology, not last night’s sleep. Nuvo’s daily number is a 21-biomarker composite you can actually see every morning. Those are different resolutions. Scale is not close on reviews either. Nuvo’s App Store presence is early: 4 ratings. We are not going to inflate four ratings into social proof, and we do not publish a schema.org rating object for Nuvo.

Where Nuvo wins

Nuvo wins on the daily biological-age job. GlycanAge updates when you prick, mail, and wait 3–4 weeks. Nuvo recalculates a daily biological age from 21 biomarkers so sleep, HRV, training, and optional labs can sit in one number without another kit.

Nuvo wins on price if you already own an iPhone (and often an Apple Watch). $24.99/year versus $499 per GlycanAge kit (or $849 for two) is not a like-for-like discount — it is a category difference. If you do not want to mail blood, Nuvo does not require it.

Privacy is structural. GlycanAge is account/lab (registration + a blood sample processed by a laboratory). Nuvo is no account and Data Not Collected. Conventional labs in Nuvo are optional PDFs in the same 21-biomarker score. Those panels do not become GlycanAge’s IgG glycan indexes, and GlycanAge does not become Nuvo’s daily clock.

Who wins for which user

Buy GlycanAge if you want the IgG glycan kit and will retest on a months-long cadence. Buy Nuvo if you want a daily 21-biomarker biological age on iPhone and Apple Watch, privately, at $24.99/year. Buy both if you already paid for GlycanAge and still want a daily age number from HealthKit plus any conventional lab PDF you have. They do not cancel each other; one is a periodic glycan lab clock, the other is a daily age readout.

If the only job is “IgG glycan biological age from a finger-prick kit,” stop at GlycanAge. If the only job is “daily biological age from 21 biomarkers, privately, on iPhone,” stop at Nuvo. Download app.

Habits that actually move aging markers — sleep, aerobic fitness, glucose, inflammation — are covered in How to reduce biological age. This page is only about which product to buy for which job. For TruDiagnostic’s blood-spot TruAge methylation kit, see Nuvo vs TruDiagnostic (TruAge). For Tally Health’s cheek-swab TallyAge kit, see Nuvo vs Tally Health.

Pricing math without invented discounts

GlycanAge US public prices we verified (17 September 2026): $499 one kit and $849 two kits on the help-center RRP article. The same pair is on GlycanAge’s cost comparison (published 17 August 2026). Help-center RRP in other currencies: £379 / £649 and €499 / €849. The Price & Plans page describes 6- and 12-month tracking plans without dollar figures in the HTML we fetched; we will not invent those totals. Tax, HSA/FSA, clinic, and instalment pricing can differ — cite checkout at purchase time.

Nuvo: $4.99/month or $24.99/year ($2.08/month billed annually) after a 7-day trial. No kit and no mailed sample is bundled.

Those dollars buy different things. Say so. Many high-intent shoppers already spent the kit money; the remaining question is whether they also want a daily 21-biomarker biological age. That is the Nuvo add, not a rip-and-replace.

Frequently Asked Questions

Should I pick Nuvo or GlycanAge?
Pick GlycanAge if you want a periodic at-home IgG glycan kit: a finger-prick blood card, lab analysis of immunoglobulin G glycans (public copy: 29 structures), ~3–4 week turnaround, $499 one kit or $849 for two on GlycanAge’s public RRP, plus a 1:1 specialist call. Pick Nuvo if you want a daily biological age from 21 biomarkers on iPhone and Apple Watch, optional conventional lab PDF in that same score, on-device AI, no account, and $24.99/year after a 7-day trial. If you already bought GlycanAge, you can stack: GlycanAge for the glycan snapshot, Nuvo for the daily 21-biomarker trend.

Does Nuvo measure IgG glycans or inflammaging like GlycanAge?
No. GlycanAge isolates IgG from a mailed blood spot and reports a biological age from N-glycan patterns linked to chronic inflammation. Nuvo calculates a daily biological age from 21 wearable and optional blood-chemistry biomarkers on device. Both may be labeled “biological age.” They are not the same clock.

How much do GlycanAge and Nuvo cost?
GlycanAge lists $499 for one kit and $849 for two on its help-center RRP page (checked 17 September 2026); the same USD pair is on GlycanAge’s August 2026 cost blog. We do not invent a monthly instalment total those pages do not print. Nuvo is $4.99/month or $24.99/year ($2.08/month billed annually) after a 7-day trial, with no kit required.

Can Nuvo use my GlycanAge results?
Not as IgG glycan indexes or a named GlycanAge input. Nuvo reads HealthKit and optional conventional lab PDFs (for example HbA1c, glucose, lipids, CRP). A GlycanAge report is a glycan kit report. Keep it in the GlycanAge dashboard. If you also have a standard blood panel PDF, that PDF can go into Nuvo’s 21-biomarker score. You do not have to pick only one product.

How often should I retest GlycanAge if I use Nuvo daily?
GlycanAge’s public plans include one-off, every 6 months, and every 12 months. Their cost blog discusses a 3–4 month window for some interventions and 6–12 months for lifestyle changes. Nuvo recalculates daily, so it fills the gap between kits. It does not replace a glycan retest if that is the clock you care about.

Does Nuvo require an account?
No. Nuvo uses on-device private AI and no account. Apple’s privacy label is Data Not Collected; data stays on the phone. GlycanAge requires an account to register the kit and view lab results. Nuvo uses 21 longevity biomarkers (HealthKit plus optional labs such as HbA1c, fasting glucose, HDL, CRP, creatinine); GlycanAge’s 29 IgG glycan structures are a different assay.

Is this medical advice?
No. This comparison is educational. Neither GlycanAge nor Nuvo replaces care, diagnosis, or treatment from a licensed clinician. GlycanAge positions the test as a biomarker of immune aging and inflammation, not a diagnosis of a specific illness. Lab results, glycan clocks, and wearable scores should be reviewed with a qualified professional.

If the job is a daily biological age from 21 biomarkers on the iPhone and Apple Watch you already own, Download app.