NexRing vs SiBio CKM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NexRing
Track sleep stages, readiness, and daily habits to understand your body's balance. Get personalized insights and monitor long-term trends to optimize your health and recovery.
- Sleep stage monitoring (REM, deep, light)
- Daily Sleep and Readiness scores
- Actionable health guidance
- Long-term trend analysis
- Customizable habit tracking with tags
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SLEEP MONITORING See your sleep stages — REM, deep, light — and discover your ideal bedtime. SIMPLE, PERSONAL INSIGHTS Two daily scores — Sleep and Readiness — give you a clear understanding of the state of your body with actionable guidance on how to stay balanced. DAILY READINESS SCORE Find your balance between strain and recovery. Learn how your sleep and lifestyle choices affect your health each day. LONG-TERM TRENDS View your daily, weekly, and monthly trends, and discover how your choices and environment affect your body. TRACK HABITS WITH TAGS Customize your experience by adding tags — like "caffeine" or "alcohol" — and discover how your choices affect your sleep and recovery. Need help? Visit https://www.linktop.com to browse FAQs, troubleshooting tips, or send Email service@linktop.com to contact our team.
SiBio CKM
This app allows users to monitor their real-time blood ketone data through Bluetooth transmission. It provides 14 days of historical data for tracking. Please note, it is for data collection only and not for diagnosis.
- Real-time blood ketone monitoring
- 14-day data history
- Bluetooth data transmission
- Data display and tracking
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SiBio CKM can help users monitor real-time blood ketone data. *14-day real-time blood ketone data monitoring *Bluetooth real-time transmission *Help users monitor their blood ketone data in real time Disclaimer: This software only provides data collection and display, and cannot be used as a basis for diagnosis. It is necessary to follow the doctor's advice all the time.
Screenshots
Verdict
NexRing and SiBio CKM both sit at 2.3 stars, but that hides the real split: 33% of NexRing's written reviews are positive against 11% of SiBio CKM's. SiBio CKM's advantage is iOS requirement (12.0 vs 15.0). On price, rating, ratings volume and update cadence 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.
On the App Store both sit at effectively the same score — 2.3 for NexRing against 2.3 for SiBio CKM. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews are what separate them: 33% of NexRing's written reviews are positive against 11% of SiBio CKM's.
NexRing ships an update monthly, SiBio CKM every 2 months. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.
| Parameter | NexRing | SiBio CKM |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) | 2.3 (6 ratings) |
| Positive reviews | 33.3% of reviews — better | 11.1% of reviews |
| Number of ratings | 3 | 6 — better |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 98 MB | 60 MB |
| Age rating | 17+ | 4+ |
| Developer | Xiamen Linktop Technology Co.,LTD | SiBio Technology Limited |
Customer experience
NexRing
SiBio CKM
In-app purchases
NexRing
No in-app purchases
SiBio CKM
No in-app purchases
