Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

Orenda Screenshots

iPad

iPhone

About Orenda

Master pool chemistry with the Orenda pool chemical dosing calculator. Measure pool chemicals accurately while balancing water chemistry according to the LSI. The Orenda App is a swimming pool calculator with a user friendly experience, and makes pool chemistry easier than ever. Try the new pool volume estimator and watch Orenda videos in the app. A pool chemical calculator that allows a novice to dose chemicals as accurately as a professional pool operator.

What's New in the Latest Version 4.2.1

Last updated on Mar 24, 2024

Old Versions

Added the 'Ask Orenda' screen. Fixed a bug related to pool volume calculations in metric units.

Version History

4.2.1

Mar 24, 2024

Added the 'Ask Orenda' screen. Fixed a bug related to pool volume calculations in metric units.

4.2.0

Mar 11, 2024

Fixed a bug with liters/gallons switching

4.1.9

Feb 1, 2024

Fixed a bug where the current pH value was not being saved.

4.1.8

Jan 27, 2024

Updated fonts. Calcium expanded to 2000

4.1.6

Dec 12, 2023

Analytics and Privacy updated

4.1.5

Nov 27, 2023

pH values are expanded to [4.0, 10.5]
Calcium hyperlink added

4.1.4

Sep 20, 2023

Improved application security
Blogs and procedures search fixed

4.1.3

Aug 29, 2023

Fixed Pool Volume Estimator sliders

4.1.2

Aug 25, 2023

Added decimal value to pool volume estimator

4.1.1

Aug 23, 2023

Fixed CYA calculation for Dichlor

4.1.0

Aug 19, 2023

- Se han añadido los idiomas coreano, portugués y danés
- Corregido compartir en iPad
- Mejora en la búsqueda de blogs y procedimientos
- Se ha añadido el ítem de menú Centro de Ayuda
- Correcciones menores de errores

4.0.9

Jun 11, 2023

Added additional steps for temperature in celsius and salt

4.0.8

Jun 3, 2023

Fixed ppm calculations

4.0.7

Jun 1, 2023

Bonus readings added

4.0.6

May 17, 2023

Remember chlorine, acid and secondary readings state

4.0.5

May 13, 2023

Reset the borate to 0 after it's disabled

4.0.4

Apr 28, 2023

Fixed reports

4.0.3

Apr 13, 2023

Fixed Calcium Hypochlorite (70-73%) measurement

4.0.2

Apr 1, 2023

minor fixes

4.0.1

Mar 28, 2023

- Fixed text overlapping issues
- Ensure that the app remembers the pool volume and all settings even after closing it
- Fixed the typo in the homeowner survey
- Resolved the issue of keyboard overlapping on the Pool Volume Estimator screen

4.0

Mar 21, 2023

- enhanced user interface
- updated help pop-ups
- smoother user experience
- formula improvements

3.14.1

Jan 4, 2023

Minor bugfixes (share results, etc).

3.14.0

Sep 23, 2022

Fix for Soda Ash dosages

3.12.4

Aug 15, 2022

Survey submission fixed.