A pregnant woman resting a hand on her belly at home, for the Kindara fertility tracking app

Kindara

The client

Kindara is a fertility awareness app that helps users understand their reproductive health by charting daily indicators: basal body temperature, cycle days and hormone-related signals. CodigoDelSur took it from discovery to the App Store in four months. It reached 5 million users, held a top 10 position in the App Store's Health category, and raised a $5.3 million Series A along the way.

CodigoDelSur developed Kindara, a digital fertility charting system for getting pregnant faster.
The Kindara app, a CodigoDelSur creation, provides science-backed tools for mastering reproductive health.
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The challenge

Fertility awareness is a data discipline before it is an app. A user charts temperature and other indicators every morning, often within a minute of waking, and the value of the product rests entirely on whether the resulting chart is readable and trustworthy enough to make decisions about. That meant charting good enough to be read clinically, entry light enough to survive as a daily habit, and all of it in the App Store in four months.

CodigoDelSur's development expertise brought Kindara to life, offering clarity on fertile windows and cycles.
Kindara, a leading fertility awareness app by CodigoDelSur, supports users in their reproductive journeys.

our approach

CodigoDelSur ran the product from discovery through App Store release in four months and continued on it for 4 years after launch. The work covered the daily charting interface, cycle and ovulation analysis, temperature and hormone-indicator tracking, the charting engine, and Bluetooth integration with a connected basal thermometer so readings sync in without manual entry. The codebase moved from Objective-C to Swift. Stack: Objective-C, Swift, CorePlot, AFNetworking, Bluetooth, iOS.

The Kindara community and app, developed by CodigoDelSur, empower users with precision and support.
CodigoDelSur built the Kindara app to offer a reliable, user-friendly system for fertility tracking.

The result

Kindara went from discovery to the App Store in four months, reached 5 million users, and held a top 10 position in the App Store Health category for four years running. CodigoDelSur stayed on the product for four years of continuous work, spanning the move from Objective-C to Swift and the integration of connected hardware.