Calibre vs Levels Health
Calibre vs Levels Health, compared side by side on 18 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Calibre is on 44/100 and Levels Health on 52/100.
Where each one leads
Calibre
Leads on none of the measures we hold for both companies.
Levels Health
- our overall score: 52/100 against 44/100
- domain rating: 72/100 against 54/100
- funding raised: $233M against $3.3M
At a glance
| Measure | Calibre | Levels Health |
|---|---|---|
| What it is | A proactive health partner for life that deeply understands your full picture, tells you what's actually driving your health, and guides you as your health evolves. | Personalized health and wellness platform focused on continuous glucose monitoring and metabolic health. |
| Category | HealthTech, Artificial Intelligence, Personalized Health, Wellness | HealthTech, MedTech, Wearables, Digital Health |
| Sells toBusiness model | B2C | B2C |
| Offering | Services | Platform |
| Founded | 2025 | 2019 |
| Headquarters | London, United Kingdom | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Calibre | Levels Health |
|---|---|---|
| Total funding | $3.3M | $233M |
| Latest round | Pre-seed | Series B |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Calibre | Levels Health |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 44/100 | 52/100 |
| Traction | 33/100 | 40/100 |
| Team | 70/100 | 30/100 |
| Community | Not published | 8/100 |
| Search visibility | 16/100 | 22/100 |
| Quality | 48/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (22/100) | F (21/100) |
| Domain ratingLink authority, 0-100 | 54/100 | 72/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Calibre | Levels Health |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| Frameworks | Next.js, Tailwind CSS | Next.js, Tailwind CSS |
| Analytics | Google Tag Manager | Not detected |
| Support stack | Not detected | Helpscout |
Calibre vs Levels Health: common questions
Which is better, Calibre or Levels Health?
On our 0-100 score Levels Health rates higher (52/100 against 44/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 18 data points above: read the rows that match what you are buying for.
How do Calibre and Levels Health compare on the numbers?
Levels Health leads on our overall score (52/100 against 44/100), domain rating (72/100 against 54/100), funding raised ($233M against $3.3M).
Read the full Calibre review and pricing or the Levels Health review and pricing. You can also browse other Calibre alternatives we track.

