Withings vs Opthy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Withings
This app serves as a central hub for managing your health, consolidating data from various devices and apps. It provides insights, educational content, and tools to track progress towards goals like weight loss, activity, and sleep. Share your health data securely with your doctor for informed medical decisions.
- Unified health data from devices and apps
- Weight and body composition monitoring
- Activity and sleep tracking
- Blood pressure and cardiovascular health
- Personalized health insights and coaching
- Family health profiles
- Doctor-shareable health reports
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Whatever your goal—weight loss, activity, blood pressure management, or better sleep—the Withings App is your gateway to health management, offering education, insights, and a seamless way to stay connected. Built on clinical expertise, it unifies your health data to drive smarter decisions and lasting results. YOUR HEALTH ECOSYSTEM, SEAMLESSLY CONNECTED Easily install all your Withings devices and sync your data to bring your health universe together. ALL YOUR HEALTH APPS UNIFIED Connect your health apps like Apple Health, Strava, MyFitnessPal, and more to centralize your data with ease. TRUST MEDICAL-GRADE PRECISION, TO DRIVE PROGRESS Clinical-grade accuracy delivers reliable insights that help you make confident, informed decisions about your health. • WEIGHT & BODY COMPOSITION MONITORING • ACTIVITY MONITORING • SLEEP SCORE • HYPERTENSION MANAGEMENT • CARDIOVASCULAR DISEASE DETECTION • MENSTRUAL CYCLE TRACKING • NUTRITION TRACKING " SHAPE YOUR HEALTH JOURNEY Create a tailored health profile, monitor symptoms, and set achievable goals to better understand your body, stay motivated, and improve your health over time MULTIPLE PROFILES TO TRACK FAMILY HEALTH Track the health of your entire household from one app and easily share data between profiles for a more connected approach to care. INSTANTLY SHARE WITH YOUR DOCTOR Generate secure, shareable reports or send a live link to your health dashboard, giving your healthcare provider immediate access to your most up-to-date metrics. Withings+ POWERING YOUR JOURNEY TO LONGEVITY Precision health made personal—AI and in-app cardiologists guiding you forward. With Withings+, our premium subscription service, you decode your health through clinical reviews and AI assessments, delivering precise, tailored care to strengthen long-term habits and help support your journey toward a better, longer life. YOUR HEALTH SIMPLIFIED All metrics consolidated in one powerful Health Improvement Score to guide your long-term health. SPECIALIST CARE AT YOUR FINGERTIPS Get your ECG reviewed by a cardiologist within 24 hours — with an average wait time of just 4 hours (Observed Jan–Mar 2025). Feel confident knowing your heart health is in expert hands, quickly and reliably. DECODE YOUR BODY With Withings Intelligence, experience around-the-clock AI-driven insights, smart trend analysis, and personalized coaching to help you take control of your health. Kickstart your day with our brand new Vitalité Indicator. This powerful tool brings together key health metrics—including HRV, temperature, sleep patterns, and more — to evaluate your rest and effort levels. Based on these insights, it offers personalized suggestions to help you boost your energy and optimize recovery for the days ahead. You’ll also receive a detailed breakdown that can highlight early signs of potential illness and signal when it’s time to give yourself extra care. YOUR WEEKLY HEALTH BREAKDOWN Track your strengths and weaknesses each week to refine and boost your Health Improvement Score. ABOUT WITHINGS Withings creates clinically validated health devices embedded in beautifully designed, easy-to-use products. A universe of insights all synced to a single source of truth, providing you with the ultimate way to stay connected to your health. Terms of use:https://www.withings.com/legal/applications-conditions#/legal/services-terms-and-conditions Privacy policy: https://www.withings.com/legal/applications-conditions#/legal/privacy-policy Medical compliance: https://www.withings.com/eu/en/compliance?srsltid=AfmBOoovZiYectAmYJC5gs2HhHrMxHAhPdN4NFQQI5RSImnQdrLoxKSc
Opthy
Measure your Pupillary Distance (PD) accurately with this app, leveraging advanced technology for personalized glasses fitting. It transforms your iPhone into a measurement device, enabling confident online prescription glasses purchases.
- Contactless PD measurement
- Quick IPD for far vision
- Order prescription glasses online
- iPhone 3D body scanner
- Personalized fit for glasses
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Pupillary Distance: The key to your perfect glasses. Discover Opthy, powered by global eyewear expert EssilorLuxottica. Get your Pupillary Distance just right with Opthy, the solution backed by EssilorLuxottica’s eyewear experts. Swiftly measure your Pupillary Distance (PD) with a few clicks, so you can find a comfortable and personalized fit for your perfect glasses. Moreover, experience the cutting-edge capability of turning your iPhone into a 3D body scanner and measurement device for purchasing prescription Rx glasses online with Opthy. Key Features: • Advanced contactless tool for PD measurements: Opthy's cutting-edge technology specializes in swiftly capturing Pupillary Distance (PD) measurement, revolutionizing the conventional process. • Quick IPD measurements for far focal lengths: Opthy offers quick Interpupillary Distance (IPD) measurements for far vision, allowing you to find a comfortable viewing experience for distant distances. • Order online prescription glasses with confidence: Opthy empowers you to confidently order prescription glasses online, knowing that you obtained personalized measurements for achieving a comfortable fit. About Pupillary Distance: Pupillary Distance is the distance between the center of your pupils, measured in millimeters. An average PD measurement is about 63mm. This crucial metric is essential when buying glasses, as it indicates the specific lens area you look through, helping you to achieve optimal comfort and clarity in your visual experience. Swift and User-friendly: Opthy has streamlined the process for you. All you need is your iPhone; the Opthy app will walk you through the quick and seamless scan. Once done, you'll receive the all-important Pupillary Distance measurement. Suitable for Everyone: Whether you wear glasses or not, Opthy caters to all adult users. It provides personalized Pupillary Distance measurements for compatible prescriptions. Prescription Compatibility: Opthy is compatible with single-vision prescription lenses between -5D and +5D. Please note that it is unsuitable for higher-powered prescriptions, bifocals, progressives, or multifocals. Professional in-person PD measurements are recommended for achieving the best fit and visual experience for individuals requiring more complex prescriptions. Age Restriction: For user safety, Opthy is not intended for use by persons under the age of 18. EssilorLuxottica prioritizes the well-being of our users and adheres to age-appropriate guidelines. Experience Cutting-edge Technology: Opthy harnesses cutting-edge technology to enhance your eyewear selection process. Its innovative approach to measuring Pupillary Distance (PD) empowers you with your personal PD so you can make confident decisions when purchasing glasses or adjusting your virtual reality (VR) headset.
Screenshots
Verdict
The clearest difference is in-app purchases: Opthy at none against Withings's 3. Opthy also leads on iOS requirement (14.0 vs 18.0). Withings's advantage is ratings volume (366K vs 2.9K) and chart position (#69 vs unranked). On price, rating, ads and device support 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
Both are free to download. Withings sells 3 in-app purchases, starting at $9.99 per month. Opthy asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for Withings against 4.5 for Opthy. That said, the two scores are not equally well evidenced: Withings has 366K ratings behind it against 2.9K, so its average is the more settled of the two. Written reviews are what separate them: 25% of Withings's written reviews are positive against 13% of Opthy's.
Withings ships an update fortnightly, Opthy monthly. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.
| Parameter | Withings | Opthy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (366K ratings) — better | 4.5 (2.9K ratings) |
| Positive reviews | 25.3% of reviews — better | 13.3% of reviews |
| Number of ratings | 366K — better | 2.9K |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Best chart rank | #69 — better | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 18.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 445 MB | 217 MB |
| Age rating | 4+ | 12+ |
| Developer | Withings | Luxottica Group SPA |
Customer experience
Withings
Opthy
User reviews
Withings
From 366K App Store ratingsWhat we love
- ⭐ Excellent app and product integration
- 📊 Comprehensive health tracking
- 🔋 Good battery life on devices
- 🤝 Helpful customer support
Room to improve
- 🐛 Connectivity and syncing issues
- 📈 Confusing or cluttered UI
- 🔍 Lack of customization options
- 💰 Expensive for some features
Opthy
From 2.9K App Store ratingsWhat we love
- 🚀 Quick and easy
- 📐 Accurate measurements
- 🤖 Clear instructions
Room to improve
- 🤔 Inconsistent results
- 🤯 Difficult to use
- 🕰️ Time-consuming process
- 🔍 Lighting issues
- 🤖 Unreliable app
Bugs and requests
Withings
Reported bugs
4 issues- Inconsistent weight data reporting
- App crashes or freezes on launch
- Inaccurate body composition measurements
- Unreliable blood pressure readings
Requested features
4 requests- Improved sleep tracking and reporting
- More granular data visualization
- Ability to manually edit or delete measurements
- Better integration with third-party apps
Opthy
Reported bugs
3 issues- App crashes or freezes
- Face not detected despite proper lighting
- Incompatible with certain devices
Requested features
3 requests- Voice guidance for instructions
- Progress indicator during measurement
- Ability to save and view past measurements
In-app purchases
Withings
- Withings+ Monthly offer14 Days trial$9.991 Month
- Withings+ Annual offer14 Days trial$99.991 Year
- ECGs Cardiologist Review$59.99
Opthy
No in-app purchases









