Comparison

zLens vs Lens Cycle Tracker

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

Head to head
About

zLens

This app helps you manage your contact lens usage and reminds you when it's time to replace them. You can also conveniently order new lenses directly through the app at competitive prices.

Highlights
  • Contact lens usage tracking
  • Replacement reminders
  • In-app lens ordering
  • Price comparisons for lenses
Features
Read full description

Manage your contact lenses usage and get a notification/reminder when it is time to change them. Order new contact lenses directly from within the app at great prices.

About

Lens Cycle Tracker

Features
Read full description

Lens Cycle Tracker is a calm contact lens tracker and contact lens reminder built for daily, biweekly, monthly, and custom lens routines. Use it to track lens wear time, monitor replacement cycles, manage lens stock, and stay on top of care tasks without opening a spreadsheet or relying on memory. Start or end wear sessions in one tap, manage left and right lenses separately, and see what needs attention next from the Home screen. Lens Cycle Tracker helps you organize: • Daily wear sessions and wear duration • Left and right lens replacement timing • Lens stock counts and low stock forecasts • Eye drop, wear limit, case refresh, and solution reminders • Travel prep reminders before busy days • Progress insights and replacement consistency • Home Screen widget access and quick actions • App language selection and a clean, focused workflow Why people use Lens Cycle Tracker: • Simple enough for a quick daily routine • Detailed enough for separate left and right lens management • Private by default, with core data stored on device • No account required to start tracking Premium Lifetime: • Removes ads • Unlocks multiple lens profiles Lens Cycle Tracker is an organizational tool and does not provide medical advice.

Screenshots

zLens4 screens
Lens Cycle Tracker4 screens

Verdict

The call

The clearest difference is update cadence: Lens Cycle Tracker at weekly against zLens's every 3 months. 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. zLens sells 1 one-off in-app purchase and Lens Cycle Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

zLens ships an update every 3 months, Lens Cycle Tracker weekly. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.

Scorecard1 real difference · 9 level
zLens versus Lens Cycle Tracker: the parameters behind the verdict, then further details
ParameterzLensLens Cycle Tracker
PriceFreeFree
Rating3.0 (8 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings8 — better—
Update frequencyEvery 3 monthsWeekly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size12 MB7 MB
Age rating4+4+
DeveloperDEEPRAY INFORMATICS & ARTIFICIAL INTELLIGENCE SINGLE MEMBER P.C.Aeon Design LLC

In-app purchases

1 purchases

zLens

One-time1
  • shareware licence$1.99
1 purchases

Lens Cycle Tracker

One-time1
  • Lifetime Premium$4.99

Questions

Is zLens free?
zLens is free to download, with in-app purchases available.
Is Lens Cycle Tracker free?
Lens Cycle Tracker is free to download, with in-app purchases available.
Do zLens or Lens Cycle Tracker have ads?
Both zLens and Lens Cycle Tracker show ads.
Which is updated more often, zLens or Lens Cycle Tracker?
zLens ships an update every 3 months, and Lens Cycle Tracker weekly. Most recently, zLens was updated on October 3, 2026 and Lens Cycle Tracker on October 19, 2026.

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