Comparison

Eterna Diagnostics vs Longevity One Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Eterna Diagnostics

Measure your biological age in real-time and understand how your habits impact your health. This app uses smartwatch biometric data and advanced biomarker analysis to provide actionable insights for improving cardiovascular, metabolic, hormonal, and bone health. Identify areas for improvement, optimize cognitive and physical performance, and work towards preventing chronic diseases.

Highlights
  • Real-time aging rate analysis from wearables
  • Advanced biomarker health panels
  • Population comparative insights
  • Intuitive habit tracking (sleep, stress, activity)
  • Expert video tips on preventive health
Features
Read full description

Toma el control de tu salud y optimiza tu longevidad con Eterna Diagnostics Imagina medir tu ritmo de envejecimiento en tiempo real y comprender el impacto de tus hábitos en tu salud cardiovascular, metabólica, hormonal y ósea. Eterna combina nuestra tecnología patentada, que transforma datos biométricos de tu smartwatch en información accionable, con el análisis avanzado de decenas de biomarcadores clave, todo respaldado por sólidos estudios científicos. Desde la comodidad de tu hogar, identifica áreas de mejora, optimiza tu rendimiento físico y cognitivo, y da un paso hacia la prevención de enfermedades crónicas. Con Eterna disfrutarás de: - Análisis del ritmo de envejecimiento basado en biometría de wearables y nuestra tecnología exclusiva. - Paneles avanzados que evalúan marcadores clave para ofrecerte una visión detallada de tu salud en categorías críticas. - Comparativas poblacionales interactivas, para descubrir cómo te posicionas frente a otros usuarios y cómo mejorar. - Seguimiento de hábitos como sueño, estrés y actividad física en un diario intuitivo. - Píldoras de conocimiento en video, con consejos prácticos de expertos reconocidos en salud preventiva y rendimiento. Eterna no es solo una app, es tu guía hacia una vida más saludable, más longeva y con mayor rendimiento. Explora nuestras suscripciones avanzadas para desbloquear funciones exclusivas y llevar tu salud al siguiente nivel. Descarga Eterna ahora y pon en marcha tu mejor versión. Términos y Condiciones: https://www.eternadx.com/terminos-y-condiciones

About

Longevity One Pro

This app translates longevity research into actionable daily habits. It uses lifestyle data, optional blood markers, and AI to estimate your health-span potential and guide you toward healthier choices. Track progress, store health documents, and gain AI-powered insights to add healthy years to your life.

Highlights
  • Longevity Score tracking
  • Lifestyle Age comparison
  • Biological Age calculation (blood tests)
  • AI Daily Insights and recommendations
  • Habit Builder & Tracker
  • Evidence-based lessons and quizzes
  • Trends dashboard
  • Apple Health sync
Features
Read full description

Add healthy years – starting today Longevity One turns cutting-edge longevity research into simple daily actions you can measure and master. By blending lifestyle data, optional blood-test markers and AI-powered guidance, the app shows your current health-span potential and the exact habits that move it in the right direction. It is an all in one solution to improve your healthspan, store your longevity related clinical documents, blood tests and unlock insights with the power of AI. Key numbers you’ll see • Longevity Score – one shareable metric of overall health-span potential • Lifestyle Age – how your daily choices compare with someone your calendar age • Biological Age (blood) – enter core lab results and watch our PhenoAge-based model reveal your true underlying age How Longevity One helps • AI Daily Insights – explains why your score rose or fell and suggests the next best step based on NHS and local UK guidelines and recommendations • Habit Builder & Tracker – tick off proven micro-actions: steps, fasting window, sleep, mindfulness, veg intake and more • Clinician-written lessons & quizzes – bite-sized, evidence-based learning with no jargon • Beautiful trends dashboard – see weeks, months and years of progress at a glance • Apple Health sync – secure, on-device integration; no extra wearables required What’s free • Personal Longevity Score & lifestyle dashboard • Upload one clinical document or blood test results and get an AI Summary • Unlimited habit tracking (steps, sleep, fasting, mood, etc.) • One-off Biological Age calculation with smart range validation • Daily longevity tip graded A–D for scientific strength • Starter pack of clinician-written lessons and quizzes • End-to-end encrypted HealthKit integration Upgrade to Longevity One + and unlock • Unlimited Biological-Age recalculations – update results whenever your blood markers change • Interactive trend graphs – track Biological Age, Longevity Score and individual biomarkers over time • Full AI Daily Insights – personalised guidance refreshed after every Daily Check-In • Securely upload unlimited clinical documents with your previous scan results, VO2 Max, Dexa, etc., prescriptions and blood test results and save an AI Summary of what they mean. • Complete lesson & quiz library – deep dives on sleep, nutrition, stress, supplements and more • Priority support and feature voting – help shape the app’s future Annual plan includes a 7-day free trial. Cancel any time in Settings at least 24 h before renewal. Your privacy, our priority All calculations run locally or in your private iCloud. Your data is never sold, shared or used for advertising. Ready to add life to your years? Download Longevity One and start building healthier decades today. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://mylongevitycentre.co.uk/longevity-app-privacy-policy/

Screenshots

Eterna Diagnostics4 screens
Longevity One Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: Eterna Diagnostics at none against Longevity One Pro's 2. Eterna Diagnostics also leads on iOS requirement (14.0 vs 17.6). Longevity One Pro's advantage is review sentiment (100% vs 70%). On price, update cadence, ads and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Longevity One Pro sells 2 in-app purchases, starting at $9.99 per month. Eterna Diagnostics asks for nothing beyond the download.

UpkeepUpdate frequency

Eterna Diagnostics ships an update every 2 weeks, Longevity One Pro every 6 days. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 5 level
Eterna Diagnostics versus Longevity One Pro: the parameters behind the verdict, then further details
ParameterEterna DiagnosticsLongevity One Pro
PriceFreeFree
Positive reviews70.0% of reviews100.0% of reviews — better
Update frequencyEvery 2 weeksEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.6
Further details — not scored
Size112 MB244 MB
Age rating17+4+
DeveloperEterna DiagnosticsFetched Wellness Ltd

Customer experience

Eterna Diagnostics

Written reviews10 reviews
Positive70.0%
Neutral0.0%
Negative30.0%

Longevity One Pro

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Eterna Diagnostics

No in-app purchases

2 purchases

Longevity One Pro

Subscriptions2
  • Longevity One Pro Plan$9.991 Month
  • Annnual Subscription7 Days trial$99.991 Year

Questions

Is Eterna Diagnostics free?
Eterna Diagnostics is free to download, with no in-app purchases.
Is Longevity One Pro free?
Longevity One Pro is free to download, with in-app purchases available.
Do Eterna Diagnostics or Longevity One Pro have ads?
Neither Eterna Diagnostics nor Longevity One Pro shows ads.
Which is updated more often, Eterna Diagnostics or Longevity One Pro?
Eterna Diagnostics ships an update every 2 weeks, and Longevity One Pro every 6 days. Most recently, Eterna Diagnostics was updated on September 27, 2026 and Longevity One Pro on September 23, 2026.

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