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Put an end to paperwork! With KoiControl, the tedious recording of water parameters and koi data on paper is a thing of the past. In addition, the built-in food calculator automatically calculates the ideal amount of food for your koi.

After downloading the app for free you will first use a trial version with limited functionality. This allows you to get a better impression of the app and, if you like it, you can unlock all features by purchasing the premium version for your account. This is a yearly subscription, which helps us to develop more features for you and enables you to store as many entries as you wish on our servers. Read more below to get an overview of KoiControl's benefits:

Keep an eye on your water parameters!
As a pond owner, regular water measurements are part of everyday life. Keep track and store your water parameters in KoiControl. The app analyzes your water parameters and gives you suggestions on how to improve them if necessary. This way you can offer your fish optimal conditions.

Manage and track your koi!
With many koi in the pond, it's easy to lose track. With KoiControl you won't! You can save all important information about your fish, such as name, variety, age, size, weight and much more. Additionally, you can track the growth of your fish exactly and thus make your success measurable.

Determine the ideal amount of food!
How much food do your koi need to grow ideally? Our integrated food calculator provides you with the answer. Based on your koi population and the water temperature, our food calculator automatically calculates the recommended amount of food for your growth ambitions. You don't even need to know the weight of your koi. KoiControl can determine the weight very accurately based on the length of the fish.

Recognize trends early!
As a koi owner, the growth of your fish and the quality of your water are paramount. With our automatically generated charts you can see trends and correlations in your water parameters and the potential of your koi at a glance.
Would you like to share your success with others or record it in a seasonal report? Use the integrated PDF export of your statistics.

Manage your ponds!
All important information such as volume, circulation rate, depth and many more can be stored for a pond.
Do you have several ponds? No problem, fish and water parameters can be clearly assigned to the corresponding pond.

Your data on all of your devices!
You want to use the app on multiple devices? With a KoiControl account you can easily manage your data on all your mobile devices. If you only want to use one device, you can of course use the app without an account and transfer your data at a later time if necessary.

Functional at all times!
No internet connection at the pond? Our koi app can also be used offline.


Terms of use / EULA
By downloading, installing or using this application, you accept that while the developer of this application has developed it in good faith and with much love, it cannot guarantee completeness or accuracy and assumes no liability for any damages resulting from downloading, installing or using this application.