Lesson Manager vs 센터다이어리
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lesson Manager
Effortlessly manage your child's multiple lessons and fees. Track schedules, payments, and progress with smart reminders and automated reports. Ideal for busy families and educators seeking organization and peace of mind.
- Visual weekly schedule with home widget
- Smart payment tracking with status indicators
- Timely lesson reminders
- One-touch attendance and payment recording
- Progress notes and homework tracking
- Monthly expense reports
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Juggling your child's lessons and fees is exhausting. Piano, tutoring, swimming classes—the more activities your child joins, the harder it becomes to track schedules and payments. Missing lessons or late fees add unnecessary stress to busy family life. Lesson Manager transforms chaos into calm, organized simplicity. ESSENTIAL FEATURES VISUAL WEEKLY SCHEDULE See your entire week of lessons at a glance. Add our home widget for instant access without opening the app. SMART PAYMENT TRACKING Never miss another payment deadline. See exactly what's due this month with clear, color-coded status indicators. TIMELY LESSON REMINDERS Get notified 30 minutes before each lesson. Your family stays perfectly on schedule while you focus on what matters most. ONE-TOUCH RECORDING Mark attendance and payments with a single tap. No complex forms or time-consuming data entry required. PROGRESS NOTES & HOMEWORK Track lesson content and assignments in one organized place. Perfect for parent-teacher communication and monitoring development. MONTHLY EXPENSE REPORTS Automated financial summaries for budgeting and tax preparation. Export reports for easy record-keeping. BUILT FOR BUSY FAMILIES Parents with multiple children in various activities find Lesson Manager indispensable. What used to take 20 minutes of weekly planning now takes just 2 minutes. Stop asking "Do we have lessons today?" and start enjoying peace of mind with automatic scheduling and smart notifications. PROFESSIONAL TOOL FOR EDUCATORS Teachers and tutors rely on Lesson Manager to: - Efficiently manage multiple student schedules - Track payment status across all clients - Maintain professional lesson records - Reduce administrative overhead SAFE & RELIABLE - Your data stays private and secure - Clean, intuitive interface designed for quick access - Regular updates with new features Download Today Join thousands of families who have already discovered stress-free lesson management. Experience the difference that proper organization makes in your daily routine. Transform your lesson chaos into organized success! [:mav: 8.4.0]
센터다이어리
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"센터다이어리"를 사용하는 기관에서 근뮤하시는 서비스 제공 인력들을 위한 모바일 일정 관리 앱입니다. 센터에 등록한 간단한 이메일 인증으로 아이폰에서 일정 확인, 일지 작성 등을 편리하게 이용하실 수 있습니다.
Screenshots
Verdict
The clearest difference is in-app purchases: 센터다이어리 at none against Lesson Manager's 2. 센터다이어리 also leads on iOS requirement (13.0 vs 17). Lesson Manager's advantage is update cadence (fortnightly vs every 19 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. Lesson Manager sells 2 in-app purchases, starting at $1.99 per month. 센터다이어리 asks for nothing beyond the download.
Lesson Manager ships an update fortnightly, 센터다이어리 every 19 months. Both last shipped on November 7, 2026.
| Parameter | Lesson Manager | 센터다이어리 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) — better | — |
| Positive reviews | 83.7% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly — better | Every 19 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17 | 13.0 — better |
| Further details — not scored | ||
| Size | 77 MB | 2 MB |
| Age rating | 4+ | 12+ |
| Developer | Dodam&Company | Dahan Edu Inc. |
Bugs and requests
Lesson Manager
Reported bugs
16 issues- Data loss after updates
- App crashes frequently
- App not opening/launching
- Calculation errors in lesson days/fees
- Text display issues (white on white)
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- Inability to reorder lessons
- Keyboard not appearing on iPad
- App freezes or lags
- Data backup issues
- Inability to edit/delete homework
- Inability to modify lesson counts correctly
- App not syncing across devices
- Phone overheating with multiple student notes
- Some students' schedules not appearing
- Memo editing not possible
- Inability to upgrade purchased version
Requested features
12 requests- Allow setting hourly rates
- Add option to set time-based costs
- Add widget for timetable
- Add field for additional expenses (book costs, exam fees, etc.)
- Expand schedule time range (e.g., 6 AM - 2 PM)
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- Allow setting different times for different days of the week
- Add split payment recording feature
- Enable phone and iPad synchronization
- Add reporting features (e.g., PDF reports)
- Allow defining lesson attributes (e.g., track late attendance)
- Ability to set default options for adding lessons
- Improve prepaid function usability
센터다이어리
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Lesson Manager
- Plus - Monthly$1.991 Month
- Plus - Annually$19.491 Year
센터다이어리
No in-app purchases
