Lenslog
100% free · No sign-up

Contact lens care,
completely hands-off.

Remaining count for dailies, replacement dates for two-week, monthly, and colored lenses, expiry for solutions. The app manages each type automatically and pushes a reminder before each replacement. Just enter the opening date — no more counting in your head.

Auto stock countdownNotifies when closedLow-stock alertsTracks solutionsColored lenses too
Start free No account · Ready in 3 seconds

Sound familiar?

“

"Wait, when did I open these?"

Forgot the start date on your 2-week lenses.

“

"Is this solution still good?"

Tossing it just to be safe, again.

“

"How many boxes do I have left?"

Can never tell when to reorder.

Put it on your phone. Make it yours.

ADD TO HOME SCREEN

No app store. One tap from your home screen.

Use "Add to Home Screen" in your browser and it works like a regular app — full screen, with push notifications even when closed.

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Lenslog
AUTO COUNTDOWN, YOUR RULES

Counts down only on the days you wear them.

"Contacts on weekdays, glasses on weekends" is fine. Pick your wear days and stock decreases only then. Reminders are just as flexible — any number of days before the date.

WEAR DAYS
SMTWTFS

Genuinely useful features. All free.

01Smart tracking by typeRemaining count for dailies; replacement dates from the opening date for two-week and monthly. Pick the type and it tracks the right way.
02Stock decreases automaticallySet how many pairs you use per day, and dailies count down on their own each time you open the app. Wear them only on weekdays? Pick the days.
03Reminders even when closedChoose how many days before the replacement date to be notified. Push notifications reach your phone even when the app is closed.
04Low-stock alerts & one-tap refreshGet notified when you're running low. For lenses near their date, swap to a fresh pair with one tap right from the list.
05Track solution bottles tooManage the post-opening expiry plus your unopened bottle count. Buy a 3-pack and see exactly how many are left.
06No sign-up, totally freeNo account, no login. Start in three seconds, free forever. Available in English and Japanese.

Pick a type. The rest is automatic.

DAILIES
12 pairs

Stock counts down every day, with a heads-up when it is time to restock.

2-WEEK / MONTHLY
2/14 days

Replacement date calculated from the opening date, with a push before it arrives.

SOLUTION
90 days

Tracks the post-opening expiry and your unopened bottle count together.

Three steps to peace of mind

1

Add your lenses & solution

Just the product name and type. Stock count and opening date are optional.

2

Tap when you open or use

"Used 1 today" or "Open new pair" — one tap to log.

3

Lenslog does the math

Days left, stock count, and expiry all auto-update. Just open the app to check.

Frequently asked questions

Is it really free?＋

Yes — fully free with all features. We support the app with unobtrusive ads inside.

Do I need to sign up?＋

No. Open the app in any browser and start using it immediately.

Where is my data stored?＋

Everything is stored locally in your browser. Nothing is sent to a server.

Does it work on my phone?＋

Yes — Lenslog runs in the browser on phones, tablets, and computers.

Will I get notifications?＋

Not yet. The current version is a check-when-you-want app. Push notifications are planned for an upcoming update.

Can I sync between devices?＋

Not yet — data lives on each device today. Multi-device sync is on the roadmap.

Does it work for hard contacts?＋

The lens tracker is designed for soft contacts, but the solution tracker works for any wearer.

What happens if I clear my browser?＋

Data is tied to your browser's storage, so clearing it will reset Lenslog. Cloud sync is coming.

Used a pair today? Just tap.

No sign-up, no download. Works right in your browser.

Start free