Your eyes deserve better care

Never forget to replace your contact lenses

Interval tracks your lens replacement schedule with beautiful widgets, smart reminders, and a simple countdown that keeps your eyes healthy.

Your lenses are due in

12days

Mark as Replaced

Everything you need for healthy eyes

Simple, beautiful, and effective. Interval makes lens care effortless.

Beautiful progress ring shows exactly how many days until your next replacement. Supports daily, bi-weekly, monthly, and custom schedules.

Get notified the day before, on the day, and gentle nudges if you forget. Customize when and how often you're reminded.

Beautiful widgets for your home screen and lock screen. See your countdown at a glance without opening the app.

Scan your lens box to automatically capture prescription details. No more manual entry or hunting for paperwork.

Keep track of how many pairs you have left. Get alerts when it's time to reorder so you never run out.

Your data syncs automatically across all your devices. Start on your iPhone, check on your iPad.

Get started in seconds. No account required.

Select daily, bi-weekly, monthly, or set a custom replacement schedule.

Tap once when you put in fresh lenses. Interval handles the rest.

Check your countdown anytime, get reminders when due, repeat.

Join thousands of contact lens wearers who never miss a replacement.