Tanly / UV index & session tracking

Tanly
Your UV and sessions, in one place.

Tanly is an iPhone and iPad app for checking the UV index and forecasts and tracking sun-exposure sessions. It includes a skin profile, duration estimates, a timer and SPF-related reminders. Downloading is free; some features require a subscription. No estimate guarantees risk-free sun exposure.

Download on theApp Store Features ↓

Information checked on November 1, 2026

Tanly preview: UV index & session tracking

Project screenshots with demonstration data; the interface may vary by version.

Features

What you can do.

UV conditions for your location

Check current UV conditions and forecasts for a manually chosen location or permitted device location.

Structured sessions

Use a timer, session steps and sun-protection reminders. Some features require premium access.

A personal session history

Keep past sessions and the redness observations you choose to record after exposure.

At a glance

The details
that matter.

Who is it for?

For people who want to check local UV conditions and keep a session history with a timer and sun-protection reminders.

Devices: iPhone and iPad · iOS 17 or later
Languages: French and English.
Pricing: Free download with premium features through auto-renewing monthly or annual subscriptions. Prices, included features and any trial conditions are displayed in the app before purchase.
Account: No account required
Advertising: No ads

Privacy

Your data.
Your choices.

Your profile and session history are stored on the device. No Tanly account is required. Coordinates from your chosen or permitted location are used to request weather and UV data through WeatherKit; Apple handles purchases. Tanly therefore does not work entirely offline.

App privacy policy

FAQ

Frequently asked questions

Is Tanly free?

Free download with premium features through auto-renewing monthly or annual subscriptions. Prices, included features and any trial conditions are displayed in the app before purchase.

Do I need an account?

No account required. Your profile and session history are stored on the device. No Tanly account is required. Coordinates from your chosen or permitted location are used to request weather and UV data through WeatherKit; Apple handles purchases. Tanly therefore does not work entirely offline.

Which devices does it work on?

iPhone and iPad · iOS 17 or later. French and English.

Does Tanly guarantee safe tanning?

Tanning exposes you to UV radiation and is never risk-free. Duration and SPF indications are estimates, not protection or medical advice. Do not extend sun exposure based on the timer. Notifications depend on device permissions, and UV information requires available weather data.

Where can I download the official app?

Use the App Store link on this page to open the official Tanly listing. No Google Play link is provided until availability has been confirmed.

Sources and transparency

This page is based on the app project and its App Store listing. Availability and terms may vary by version and region. Official App Store listing.

Download on theApp Store Read the guide

TanlyYour UV and sessions, in one place.