Comparison

Lensly vs Luid

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Lensly

This app helps you manage your contact lens wear schedule and stock. It provides visual tracking, reminders, and alerts to ensure you change lenses on time and avoid running out. Supports various wear schedules and offers left/right eye tracking.

Highlights
  • Visual lens replacement tracker
  • Home Screen widgets
  • Contact lens change reminders
  • Left & right eye tracking
  • Lens stock tracking & low-stock alerts
  • Custom wear schedules
  • Replacement history
Features
Read full description

Never forget to change your contact lenses again. Lensly is a simple, smart contact lens tracker that helps you stay on schedule, protect your eye health, and avoid running out of lenses. With built-in Home Screen widgets, Lensly lets you see your lens status at a glance - no calendar reminders or notes required. Key Features: Visual lens replacement tracker See exactly how many days you have left in your current lens cycle with a clear progress ring at a glance. Home Screen widgets See how many days you have left in your current lens cycle directly on your Home Screen with glanceable widgets. Contact lens change reminders Get notified before your lenses expire so you can replace them on time and avoid overwearing. Left & right eye tracking Track lens cycles and stock separately for each eye if needed, all in one place. Lens stock tracking & low-stock alerts Keep track of how many lenses you have remaining and get alerts before you run out. Custom wear schedules Supports daily, bi-weekly, monthly, or fully custom replacement intervals. Replacement history & calendar view View your past lens changes to stay consistent and see your wear history over time. Quick inventory updates Easily add or subtract lenses from your supply in seconds. Light & dark mode support Designed to look great and feel comfortable in any lighting. Whether you wear daily contacts, two-week lenses, or monthly contacts, Lensly helps you stay organized and confident about your contact lens care. Ideal for anyone who wants a reliable contact lens reminder app without the guesswork. Free to use with optional Premium features. No ads, ever. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Luid

Features
Read full description

Luid is a clean and modern water and drink tracker designed to make daily fluid tracking simple, visual, and easy to maintain. Log water, coffee, tea, and supported drinks in seconds. Follow your daily progress, view your recent routine on a weekly chart, and review your drink history whenever you want. Luid helps you understand your everyday fluid habits without making tracking feel complicated. You can personalize your daily goal, preferred unit, quick-add amounts, reminders, and app appearance to match your routine. History tools make it easy to review, edit, filter, or remove entries when needed. Luid is designed with privacy in mind. Your drink entries, goals, reminders, settings, and local insights are stored on your device. Optional Apple Health support can save new water entries to Apple Health when you choose to enable it. Luid is built for everyday wellness tracking and habit awareness. It is not medical advice and is not intended to diagnose, treat, prevent, or cure any condition. Hydration needs vary from person to person, and excessive fluid intake can be risky. Some advanced features require a paid Luid Pro subscription. Luid Pro may unlock deeper insights, interactive charts, timing analysis, drink balance insights, reminder intelligence, calendar heatmaps, personal records, recap views, custom drinks, and additional reminder flexibility.

Screenshots

Lensly4 screens
Luid4 screens

Verdict

The call

The clearest difference is update cadence: Luid at every 9 days against Lensly's every 6 weeks. Lensly's advantage is iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lensly sells 3 in-app purchases, starting at $0.99 per month and Luid sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Lensly ships an update every 6 weeks, Luid every 9 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
Lensly versus Luid: the parameters behind the verdict, then further details
ParameterLenslyLuid
PriceFreeFree
Rating4.7 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 6 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, Apple Watch
Requires iOS18.0 — better26.0
Further details — not scored
Size1 MB6 MB
Age rating4+12+
DeveloperAnna Stefaniv OickleAli Yigit

In-app purchases

3 purchases

Lensly

Subscriptions2
  • Lensly Premium (Monthly)$0.991 Month
  • Lensly Premium (Annual)$7.991 Year
One-time1
  • Lensly Premium (Lifetime)$19.99
2 purchases

Luid

Subscriptions2
  • Luid PRO Monthly$0.991 Month
  • Luid PRO Yearly$1.991 Year

Questions

Is Lensly free?
Lensly is free to download, with in-app purchases available.
Is Luid free?
Luid is free to download, with in-app purchases available.
Do Lensly or Luid have ads?
Neither Lensly nor Luid shows ads.
Which is updated more often, Lensly or Luid?
Lensly ships an update every 6 weeks, and Luid every 9 days. Most recently, Lensly was updated on October 30, 2026 and Luid on October 31, 2026.

Other comparisons