Offers in-app purchases

Provides cyanobacteria health risk levels based on the World Health Organisation’s guidelines for any lake on earth* from satellite imagery.

Make informed decisions and stay clear of potentially toxic cyanobacteria blooms with advisories for full and partial contact water sports.

Search for lakes near you or add a new one by dropping a pin on the map. Easily add or remove lakes from your list.

Daily updates depend on cloud, ice and/or snow cover.

Free version includes:
• Cyanobacteria health risk levels based on WHO guidelines
• Recreational advisories for full and partial-contact water sports
• Pollution levels based on OECD guidelines
• Estimated cell count and microcystin toxin concentrations
• Area coverage statistics for cyanobacteria and vegetation
• No ads, ever

Subscribe to unlock these premium features:
• The latest high-definition satellite imagery with chlorophyll-a, blooms, vegetation and true colour maps
• Alerts for cyanobacteria bloom events and updates sent to your notifications centre
• Add an unlimited number of lakes to your subscription
• Forecasts (not currently available - to be released in a future version)

Payment will be charged to your Apple ID 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. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Cancellation of the current active subscription period is not allowed.

For more details, see the FAQs page in the App or visit

© CyanoLakes (2015-2021)
* size limits apply
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What's New

- Bug fixes
- Improvements
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Additional Information

September 24, 2021
Current Version
Requires Android
7.1 and up
Content Rating
In-app Products
$0.99 - $74.99 per item
Offered By
22 Midwood Avenue, Bergvliet, Cape Town, South Africa
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