Comparison

OrthoK Diary vs Contact Lens Tracker

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

Head to head
About

OrthoK Diary

Features
Read full description

OrthoK Diary helps you keep the first weeks with Ortho-K lenses clear and organised. Record when each lens goes in and out, how your vision and comfort feel, and anything you notice along the way. Track left and right lenses independently, including different lens versions. Everything stays on your device. OrthoK Diary has no account, no tracking, and no app-managed cloud. - Track lens-in and lens-out times - Record vision, comfort, observations, and notes - Keep left and right lens histories separate - Use optional local reminders - Export a PDF, CSV, or backup when you choose OrthoK Diary is a companion for your own records. It does not diagnose conditions or replace professional eye care.

About

Contact Lens Tracker

Features
Read full description

LensLog keeps your contact lens routine simple, safe and on schedule. Built for people who wear lenses every day, it tracks each eye separately and tells you exactly when a lens is due for replacement. TRACK EVERY WEAR - Log left, right or both lenses with a single tap - See hours worn today, with a clear warning when you pass your daily limit - Mark glasses days as rest days so they never count against you - Undo a mistaken entry within five minutes REPLACE ON TIME - Replacement dates for each eye, based on your lens type - Supports daily, two-week, monthly, quarterly, rigid and scleral lenses - Reminders to put lenses in and take them out, with quiet hours overnight - A bedtime check so you never sleep in your lenses by accident PROTECT YOUR EYES - A quick red-flag check for redness, pain and blurred vision - Clear guidance on when to remove lenses and contact your eye doctor - Water warnings for swimming and showers - Daily comfort check-ins to spot patterns early SEE YOUR HABITS - A wear heat map with one square per day - Views for wear time, symptoms and days finished on time - Tap any day for full details AI INSIGHTS - Personal tips based on a short summary of your wear history - Nothing is sent unless you give permission and tap to generate - Your notes and personal details never leave your device - One free insight every month SUPPLIES - Lens and solution stock counts - Case replacement reminders - Discard dates for each solution bottle WORKS EVERYWHERE YOU ARE - Home Screen and Lock Screen widgets - Live Activity while your lenses are in - Apple Watch app for logging from your wrist - Siri and Shortcuts support - Designed for iPhone and iPad REQUIRES A PURCHASE These features need a subscription or a one-time purchase. Everything listed above is free. - Up to 30 AI insights a month, plus optional insight packs - Run-out estimates and reorder reminders - Blister pack scanning - Travel planner with exact lens and solution counts - Monthly cost tracking in your own currency - One-page PDF report for your optometrist - Profiles for a partner, child or parent - CSV export and full backup We believe a health app should earn your trust. LensLog has no ads, on any screen, ever. Your records are stored on your device, with no account and no tracking. Every screen is crafted with care, with a bold, readable design and full support for larger text sizes. LensLog is a tracking and reminder tool and does not replace advice from your eye care professional. If your eyes hurt, look red or your vision changes, remove your lenses and contact your eye doctor. Questions or ideas? Write to us any time from Settings. We read every message. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

OrthoK Diary4 screens
Contact Lens Tracker4 screens

Verdict

The call

The clearest difference is price: OrthoK Diary at Free against Contact Lens Tracker's $1.99. OrthoK Diary also leads on in-app purchases (none vs 4) and iOS requirement (16.4 vs 18.6). Contact Lens Tracker's advantage is device support (3 vs 1). On ads there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

OrthoK Diary is free to download; Contact Lens Tracker costs $1.99 up front. Contact Lens Tracker sells 4 in-app purchases, starting at $1.99 per month. OrthoK Diary asks for nothing beyond the download.

Scorecard4 real differences ยท 1 level
OrthoK Diary versus Contact Lens Tracker: the parameters behind the verdict, then further details
ParameterOrthoK DiaryContact Lens Tracker
PriceFree โ€” better$1.99
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhoneiPhone, iPad, Apple Watch โ€” better
Requires iOS16.4 โ€” better18.6
Further details โ€” not scored
Size46 MB13 MB
Age rating12+4+
Developermodeleven IT GmbHAneesh Pradeep

In-app purchases

None

OrthoK Diary

No in-app purchases

4 purchases

Contact Lens Tracker

Subscriptions2
  • LensLog Pro โ€” Monthly$1.991 Month
  • LensLog Pro โ€” Annual$9.991 Year
One-time2
  • AI Credit Pack โ€” 20 insights$0.99
  • LensLog Pro โ€” Lifetime$24.99

Questions

Is OrthoK Diary free?
OrthoK Diary is free to download, with no in-app purchases.
Is Contact Lens Tracker free?
Contact Lens Tracker costs $1.99, and also offers in-app purchases.
Do OrthoK Diary or Contact Lens Tracker have ads?
Neither OrthoK Diary nor Contact Lens Tracker shows ads.

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