Comparisons
Side-by-side comparisons, each with a Top Pick by tier, a budget alternative, and prices verified on the date shown.
Updated October 2026How we rate →
MRI ScreeningEvidence grade B−
Prenuvo vs Fountain Life vs Mayo
- Top Pick
- Prenuvo — Best comprehensive screening
- Best value
- Ezra
- Budget alternative
- $0-500 depending on insurance coverage
Updated October 202612 min
WearablesEvidence grade B
Oura vs Whoop vs Apple Watch
- Top Pick
- Oura Ring 4 — Best for longevity tracking accuracy
- Best value
- Apple Watch Series 11 — Best value — no subscription
- Budget alternative
- $0–250 depending on what you already own
Updated October 202611 min
Coming next
- Screening & Testing — 1 comparison live · 4 coming
- Tracking & Devices — 1 comparison live · 3 coming
- Lifestyle Protocols — 0 comparisons live · 5 coming
- Compounds & Telehealth — 0 comparisons live · 4 coming