Heliophilia: Daylight Tracker is an iOS app designed to help users track daylight, UV index, and sunrise and sunset times for their exact location. Developed by a solo designer in the Netherlands using AI assistance, the app goes beyond basic weather reporting by showing how today's daylight compares to yesterday and illustrating where you currently stand in the year's solar cycle via a visual graph.
Alongside its environmental tracking features, Heliophilia encourages mindfulness by offering a quiet evening ritual: writing down one thing you're grateful for to close the day with intention. Designed with a privacy-first approach, the app requires no account, features no subscriptions, and collects zero data. It operates on a pay-once, keep-it-forever model.
Heliophilia tracks your exact location's sunrise, sunset, UV index, daily daylight amounts, and how today compares to yesterday. It also features a visual graph of the entire year's cycle and a daily gratitude journaling prompt.
No. Heliophilia operates on a pay-once, keep-it-forever model with no subscriptions and no accounts required.
No data is collected by the app, ensuring complete user privacy.

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