Volkano Ring vs STF ZEN
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Volkano Ring
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Volkano Ring - Health & Fitness Tracker Stay on top of your health and fitness goals with Volkano Ring, your all-in-one companion for tracking your daily activities. Monitor your steps, calories burned, heart rate, sleep patterns, and more, seamlessly syncing your data with Apple Health for a comprehensive overview of your well-being. - Comprehensive Tracking: Monitor your daily steps, calories burned, distance covered, heart rate, and sleep patterns effortlessly. - Sync with Apple Health: Seamlessly integrate your data with Apple Health to keep all your health and fitness information in one place. - Intuitive Interface: User-friendly design makes it easy to view and understand your health metrics at a glance. - Custom Goals: Set personalized goals for steps, calorie intake, and activity levels to stay motivated and on track. - Sleep Analysis: Gain insights into your sleep quality and duration to improve your overall well-being. - Heart Rate Monitoring: Keep track of your heart rate during workouts and throughout the day for better cardiovascular health awareness. - Data Visualization: Visualize your progress over time with detailed graphs and charts. Take charge of your health journey with Volkano Ring. Download now and start living your best, healthiest life!
STF ZEN
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STF ZEN โ Sync Your Wellness, Simplify Your Life STF ZEN is your all-in-one health companion, designed to seamlessly connect with your smart ring to track your steps, calories, heart rate, and sleep patterns. With STF ZEN, all your fitness data is automatically synced to Apple Health, giving you a complete overview of your daily activity and well-being. Real-time Step Tracking: Monitor your daily steps effortlessly. Calorie Counter: Keep track of the calories you burn throughout the day. Heart Rate Monitor: Stay on top of your heart health with continuous heart rate monitoring. Sleep Analysis: Track your sleep patterns and improve your rest. Apple Health Integration: All your data is synced directly with Apple Health for a unified view of your health stats. Take control of your fitness journey with STF ZEN. Stay connected, stay healthy.
Screenshots
Verdict
Volkano Ring and STF ZEN are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Volkano Ring | STF ZEN |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 23 months | โ |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9 | 9.0 |
| Further details โ not scored | ||
| Size | 125 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | SMD Technologies Pty LTD | STUFFACTORY |
In-app purchases
Volkano Ring
No in-app purchases
STF ZEN
No in-app purchases









