Comparison

Looka vs Opelog

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

Head to head
About

Looka

Manage your contact lens inventory, expiration dates, and wear times with this simple yet powerful app. Track your lenses, receive timely reminders for replacements and eye exams, and protect your eye health.

Highlights
  • Smart inventory tracking (boxes and individual lenses)
  • Automatic expiration date calculation and notifications
  • Wear time timer with reminders
  • Wear log and makeup notes
  • Eye exam reminders
  • Lens blacklisting
Features
Read full description

Looka(ルッカ)は、そんなコンタクトレンズユーザーの悩みを解決する、シンプルで高機能な管理アプリです。 お気に入りのカラコンやクリアレンズを登録するだけで、在庫数、使用期限、そして目の健康を守る装着時間をまとめて管理できます。 毎日のアイライフを、もっと便利に、もっと健康に。 【主な機能】 スマートな在庫管理 手持ちのレンズを「箱数」と「バラ枚数」で正確に管理。 残り少なくなると「在庫わずか」アラートでお知らせするので、買い忘れを防げます。ブランド名、カラー、DIA、BC、含水率などのスペックも詳細に記録可能です。 使用期限を自動計算&通知 1day、2week、1マンスなど、レンズの種類に合わせて開封日から期限を自動計算。 「あと何日使えるか」がひと目でわかり、期限切れのレンズを誤って使用するのを防ぎます。 目の健康を守る装着タイマー 装着開始ボタンを押すだけでタイム計測スタート。 設定した時間を超えると「そろそろ外しましょう」と通知でお知らせ。目の使いすぎを防ぎ、健やかな瞳をキープします。 装着ログとメイクメモ 「いつ」「どのレンズ」を「何時間」着けていたかを履歴として保存。 その日のメイクや感想をメモできるので、自分だけのレンズ日記としても活用できます。相性が合わなかったレンズは「ブラックリスト」機能で整理も可能です。 眼科検診リマインダー つい忘れがちな定期検診。予定日を登録しておけば、当日や数日前にプッシュ通知でお知らせします。 【こんな方におすすめ】 その日の気分で違うカラコンをつける方 2weekや1monthレンズの交換日を忘れがちな方 左右で度数が違い、在庫管理が面倒な方 コスプレイヤーの方(たくさんのレンズを整理したい方) ドライアイ対策で装着時間を管理したい方 【Looka Premium(有料版)の機能】 さらにこだわりたい方のためのプレミアム機能もご用意しました。 左右別スペック管理: 左右で度数やBC、乱視用などが異なる場合も、それぞれの在庫と期限を個別に管理できます。 データのバックアップと復元: 大切なレンズデータやログをファイルに保存し、機種変更時などに復元できます。 無制限登録: レンズの登録数制限を解除し、好きなだけコレクションできます。

About

Opelog

Read full description

Opelog is a simple open date log and product tracker for cosmetics, skincare, beauty items, and everyday essentials. Record when you opened an item, track how many days have passed, and set check dates or reminders for replacements. “When did I open this serum?” “How long have I been using this lotion?” “When did I last replace this toothbrush?” “Is it time to check this filter?” Opelog helps you remember those small everyday “when did I open it?” moments with photos, dates, reminders, and notes. You can record item photos, categories, open dates, check dates, reminders, and notes. Opelog makes it easy to see how many days have passed since opening an item and how many days remain until the next check. Finished items can be saved to your finished-item log. You can review the open date, finish date, and number of days used, making it easier to plan replacements, repurchases, and beauty empties records. You can also add notes such as “favorite,” “buy again,” or “do not repeat” to finished items. It is useful for skincare reviews, cosmetic empties, daily item replacement records, and repurchase planning. Opelog can be used without login, and your data is stored on your device. Main Features - Record open dates for cosmetics, skincare, and daily items - Track days since opening - Set check dates and reminders - Manage items with photos - Save finished-item logs - Record days used - Add favorite, buy again, or do not repeat notes - Organize items by category - Search items - View photos in full screen - Change app themes - Store data on your device You can record up to 15 active items for free. If you want to add more items or unlock additional themes, you can choose to watch a rewarded video ad. Recommended For - People who use multiple skincare or cosmetic products - Anyone who forgets when they opened lotion, serum, cream, sunscreen, or makeup - People who want a simple cosmetics tracker or skincare tracker - People who want to record beauty empties and repurchase notes - Anyone who wants to track how long it takes to finish a product - People who want replacement reminders for everyday items - Anyone who wants to record contact lens solution, eye drops, toothbrushes, razors, filters, refills, and daily essentials - People who want to organize items visually with photos - Anyone looking for a simple and cute open date log app Item Examples - Lotion - Serum - Cream - Sunscreen - Mascara - Lip products - Perfume - Hair care products - Contact lens solution - Eye drops - Toothbrushes - Razors - Shampoo - Seasonings - Pet food - Water purifier filters - Refill items - Cleaning supplies - Other daily items Privacy Opelog can be used without login. Your data is stored on your device. Opelog does not determine expiration dates, safety, or whether an item is still usable. Displayed days, notifications, and check dates are based on the information set by the user.

Screenshots

Looka4 screens
Opelog4 screens

Verdict

The call

The clearest difference is in-app purchases: Opelog at none against Looka's 2. Opelog also leads on update cadence (every 3 days vs every 5 weeks). 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. Looka sells 2 one-off in-app purchases. Opelog asks for nothing beyond the download.

UpkeepUpdate frequency

Looka ships an update every 5 weeks, Opelog every 3 days. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 6 level
Looka versus Opelog: the parameters behind the verdict, then further details
ParameterLookaOpelog
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.617.0 — better
Further details — not scored
Size2 MB6 MB
Age rating4+4+
DeveloperToshihiro NakaoYusei Ando

In-app purchases

2 purchases

Looka

One-time2
  • クラウド同期プラン$2.99
  • プレミアムプラン$3.99
None

Opelog

No in-app purchases

Questions

Is Looka free?
Looka is free to download, with in-app purchases available.
Is Opelog free?
Opelog is free to download, with no in-app purchases.
Do Looka or Opelog have ads?
Neither Looka nor Opelog shows ads.
Which is updated more often, Looka or Opelog?
Looka ships an update every 5 weeks, and Opelog every 3 days. Most recently, Looka was updated on October 4, 2026 and Opelog on October 10, 2026.

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