コンタクト交換リマインダー vs Lens Manager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
コンタクト交換リマインダー
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[コンタクトレンズの交換時期を通知するリマインダーアプリ] ○ コンタクトレンズの交換する期限をカウントダウン ○ 当日と前日の指定した時間に通知 ○ レンズの使用日数は自分で設定可能 ○ レンズのデータも簡単にメモできる ○ ダークテーマにも対応
Lens Manager
Never forget your contact lens replacement day again. This app provides smart reminders and tracking for 1-week, 2-week, and 1-month lenses, with options for separate tracking per eye. Premium features offer advanced reminders and home screen widgets.
- Contact lens replacement schedule tracking
- Replacement day reminder notifications
- Separate tracking for left and right lenses
- Supports 1-week, 2-week, and 1-month lenses
- Home screen widget
- Contact lens information management
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Do you sometimes forget your contact lens replacement day? Not following the recommended replacement schedule can lead to dry eyes and other eye issues. Lens Manager is a dedicated contact lens replacement reminder app that helps you track your replacement schedule with ease. Supports 1-week, 2-week, and 1-month contact lenses. Smart replacement reminders help you stay on schedule and avoid missed replacement days. ■ Who this app is for • You forget your contact lens replacement day • You lose track of your 2-week or monthly replacement schedule • You use different replacement periods for each eye and managing them is complicated ■ Main Features • Contact lens replacement schedule tracking • Replacement day reminder notifications • Separate tracking for left and right lenses • Supports 1-week, 2-week, and 1-month contact lenses ■ Premium Features • Contact lens information management (Save brand name, product name, power, cylinder/astigmatism details. Quickly check your lens information when reordering and purchase the same contact lenses with confidence.) • Advanced replacement reminder mode (In addition to standard replacement reminders, receive notifications starting 3 days before your replacement day, plus daily reminders after expiration.) • Home screen widget (See your remaining days and next replacement date at a glance—right from your home screen. No need to open the app, so you never miss a replacement.) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: コンタクト交換リマインダー at none against Lens Manager's 5. コンタクト交換リマインダー also leads on iOS requirement (12.0 vs 15.0). Lens Manager's advantage is update cadence (every 4 weeks vs every 35 months). On price, ads 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
Both are free to download. Lens Manager sells 5 in-app purchases, starting at $4.49 per month. コンタクト交換リマインダー asks for nothing beyond the download.
コンタクト交換リマインダー ships an update every 35 months, Lens Manager every 4 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | コンタクト交換リマインダー | Lens Manager |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 14.3% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 35 months | Every 4 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 36 MB | 65 MB |
| Age rating | 12+ | 12+ |
| Developer | Tomoki Yabuuchi | Yuichi Ishibashi |
Customer experience
コンタクト交換リマインダー
Lens Manager
In-app purchases
コンタクト交換リマインダー
No in-app purchases
Lens Manager
- Premium Monthly Plan1 Month trial$4.491 Month
- Premium Annual Plan$29.991 Year
- Support the app$2.99
- Support the app$5.99
- Support the app$19.99







