Comparison

K vs EyeCare Tracker

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

Head to head
About

K

Features
Read full description

骨盤底筋トレーニング(ケーゲル体操)をサポートするこのアプリは、「K-GEL CHECKER」を活用して効果的な筋力アップをサポートします。 正しい姿勢や力の入れ方を学び、日々の取り組みを記録。測定結果を通じて成果を確認できるので、モチベーション維持にも役立ちます。 アプリ内のお役立ち情報や測定方法の指示も参考に、継続的なトレーニングで健康的な骨盤底筋を目指しましょう。

About

EyeCare Tracker

Read full description

Know exactly when to replace your contact lenses, lens case and eye drops — at a glance. No more counting days or wondering when you opened that bottle. Tap once when you swap, and your next date and alerts update on their own. FEATURES - Countdown rings for contact lenses, lens case and eye drops - Items sorted by what's due next, so today's to-do is obvious - Alerts the day before, on the due date, and after (set the time per item) - Log a replacement with one tap — and undo it if you tapped by mistake - Fix past dates anytime - Set any interval from 1 to 365 days (daily, biweekly and monthly lenses in one tap) - Log how your eyes feel today — Great, Dry, Tired, Gritty or Red — with one tap - Look back at your eye comfort on a calendar - Save your lens prescription (PWR, BC, DIA, store) and copy it in one go - Add your own items: color lenses, lens solution, eye checkups and more - Dark Mode, iPhone and iPad GREAT FOR YOU IF - You lose track of when to swap your 2-week or monthly contacts - You can't remember the last time you changed your lens case - You forget when you opened your eye drops - You dig out the box every time you reorder lenses online - Your eyes seem drier near replacement day and you want to check PRIVACY - All your records stay on your device - No account or sign-up - Your replacement and eye-comfort logs are never sent anywhere - To show other apps from the same developer, the app may load public App Store information - Reminders and logging work without an internet connection PLEASE NOTE This app is not a medical device and does not provide medical advice or diagnosis. Always follow your eye care professional's instructions and the product guidelines for lens use and replacement.

Screenshots

K4 screens
EyeCare Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: K at none against EyeCare Tracker's 1. EyeCare Tracker's advantage is update cadence (every 2 months vs every 6 months). On price, ads, device support and iOS requirement 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. EyeCare Tracker sells 1 one-off in-app purchase. K asks for nothing beyond the download.

UpkeepUpdate frequency

K ships an update every 6 months, EyeCare Tracker every 2 months. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

Scorecard2 real differences · 4 level
K versus EyeCare Tracker: the parameters behind the verdict, then further details
ParameterKEyeCare Tracker
PriceFreeFree
Update frequencyEvery 6 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better17.0
Further details — not scored
Size1 MB3 MB
Age rating17+4+
DeveloperTENGA Healthcare Inc.torankirite

In-app purchases

None

K

No in-app purchases

1 purchases

EyeCare Tracker

One-time1
  • Remove Ads$3.99

Questions

Is K free?
K is free to download, with no in-app purchases.
Is EyeCare Tracker free?
EyeCare Tracker is free to download, with in-app purchases available.
Do K or EyeCare Tracker have ads?
Neither K nor EyeCare Tracker shows ads.
Which is updated more often, K or EyeCare Tracker?
K ships an update every 6 months, and EyeCare Tracker every 2 months. Most recently, K was updated on October 13, 2026 and EyeCare Tracker on October 19, 2026.

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