Sequent OXYGO vs Link2Care PRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sequent OXYGO
This app complements a unique self-charging smartwatch, allowing users to monitor fitness metrics like steps, distance, and calories. It also tracks heart rate, SpO2, and sleep quality, with the ability to export data to Apple Health.
- Track steps, distance, and calories
- Monitor heart rate, SpO2, and sleep
- Record sport sessions with e-GPS mapping
- Set daily targets and workout goals
- Analyze performance data
- Integrate with Apple Health
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Charging a smartwatch every day sucks? The Sequent app is the best companion of the only automatic self-charging smartwatch ever created. Using 100% clean energy! Discover the OXYGO Sequent App, the best companion of your Sequent watch, keep track of your steps, distance, sport map (via e-GPS), and even your heart rate (Only supported on our heart rate watch) You can : - Set your daily targets and workout goals - Analyse your performance - Track your sport session and see your activity on the interactive map - Check your heart rate and steps correlation - Retrieve all your health data in Apple Health for easier health tracking The companion to Apple Health : OXYGO and Apple Health work seamlessly together, so you can export step activity and share your sleep and activity details, with Apple Health. SEQUENT - MOVE IT. CHARGE IT. FEEL THE ENERGY
Link2Care PRO
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Link2Care is an innovative collaborative alliance focused on developing a mass-manufacturable wireless ecosystem for wearable technology, enhancing interoperability and user experience in health and safety monitoring. Developed by Dayton Industrial Co. Ltd., endorsed by The Federation of Hong Kong Watch Trade and Industries, and certifiable by the Hong Kong Productivity Council, provides a cost-effective, flexible open platform for companies to create customized smart wearable products that strengthen customer connections and support sustainable growth. It integrates advanced wearable and hearable devices with a Web 3.0 Al cloud engine to address diverse user scenarios. Disclaimer: This app is intended for informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this app.
Screenshots
Verdict
The clearest difference is update cadence: Sequent OXYGO at every 3 weeks against Link2Care PRO's every 5 months. Link2Care PRO's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Sequent OXYGO ships an update every 3 weeks, Link2Care PRO every 5 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.
| Parameter | Sequent OXYGO | Link2Care PRO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (64 ratings) — better | — |
| Positive reviews | 65.2% of reviews | — |
| Number of ratings | 64 — better | — |
| Update frequency | Every 3 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 123 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Sequent | Dayton Industrial Company Limited |
In-app purchases
Sequent OXYGO
No in-app purchases
Link2Care PRO
No in-app purchases
