CyanoLakes vs Volkano Ring
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CyanoLakes
Receive near real-time forecasts and satellite imagery to avoid harmful algal blooms. Get trusted risk assessments based on WHO guidelines to plan your water activities with confidence. Daily updates are provided for blue-green algal risks, with options to track favorite lakes.
- Harmful algal bloom forecasts
- Satellite imagery
- WHO-based risk assessments
- Daily water quality updates
- Personalized lake watchlist
- 10-day ahead forecasts (premium)
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Stay Safe from Harmful Algal Blooms Get near real-time forecasts and satellite imagery to avoid potentially toxic cyanobacterial and harmful algal blooms. Trusted Risk Assessments Advisories are based on World Health Organization (WHO) guidelines, helping you make informed decisions before heading to the water. Plan with Confidence Whether you're boating, fishing, or swimming, receive daily updates on blue-green algal risks tailored for recreational water use. Find and Track Your Favourite Lakes Search for lakes near you or add new ones by dropping a pin on the map. Easily manage your personalised watchlist. Fresh Data, Updated Daily Forecasts are updated daily, subject to cloud, ice, or snow cover, depending on the season. Subscribe to a monthly or annual plan to unlock premium features: • Browse the latest high-definition satellite imagery for chlorophyll-a, blooms, vegetation and more • 10-day ahead forecasts, including charts • Notifications within 2 hours of detection • Loads of extra water quality data including health risk, biological and water clarity indicators and coverage estimates • Monitor up to 10 lakes of your choice Free version includes: • Cyanobacteria health risk levels based on WHO guidelines • Advisories for recreational users • Up to 4 lakes You can manage and cancel your subscriptions by going to your account settings after purchase. Payment will be charged to your account at the confirmation of purchase. The subscription automatically renews unless it is cancelled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. Cancellation of the current active subscription period is not allowed. For more details, visit https://www.cyanolakes.com/faqs/ Terms of Use: https://www.cyanolakes.com/terms-of-use/ Privacy Policy: https://www.cyanolakes.com/privacy-policy/ © CyanoLakes (2015-2026) * size limits apply, minimum width of approx. 600 m or 2000 ft wide
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!
Screenshots
Verdict
The clearest difference is in-app purchases: Volkano Ring at none against CyanoLakes's 2. Volkano Ring also leads on iOS requirement (9 vs 15.1). CyanoLakes's advantage is update cadence (every 4 months vs every 23 months). On price, 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. CyanoLakes sells 2 in-app purchases, starting at $4.99 per month. Volkano Ring asks for nothing beyond the download.
CyanoLakes ships an update every 4 months, Volkano Ring every 23 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.
| Parameter | CyanoLakes | Volkano Ring |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months — better | Every 23 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 9 — better |
| Further details — not scored | ||
| Size | 43 MB | 125 MB |
| Age rating | 4+ | 4+ |
| Developer | CyanoLakes | SMD Technologies Pty LTD |
In-app purchases
CyanoLakes
- Monthly Premium Subscription7 Days trial$4.991 Month
- Annual Premium Subscription$34.991 Year
Volkano Ring
No in-app purchases









