Ebbinghaus Planner vs 들락 (Dlock)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ebbinghaus Planner
This app helps you memorize information efficiently by scheduling reviews based on the forgetting curve. It automates the process of recalling vocabulary, formulas, and other data at optimal times, reducing the need for manual scheduling and ensuring you never miss a review session.
- Automatic review scheduling
- Subject and item management
- Today's tasks view
- Customizable notifications
- Progress visualization
- Simple and intuitive interface
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Ebbinghaus Planner is a study management app designed to maximize memorization efficiency by guiding you to review at the optimal time based on the “forgetting curve.” It reduces the hassle of manually scheduling review intervals on your calendar and helps you recall information at the most effective moments. Main Features - Automatic Review Scheduling: Automatically generates review dates based on Ebbinghaus intervals (e.g., 1 day, 3 days, 7 days, etc.) - Subject & Item Management: Easily register, edit, and check off memorization items by subject or topic - Today’s Tasks: Quickly view all items you need to review today in one screen - Notifications: Custom reminders to make sure you never miss a review - Progress Visualization: See your growth with completion rates and cumulative review stats - Simple Interface: A minimal, intuitive design that helps you stay focused Recommended For - Learners who want to improve efficiency when memorizing basic information such as vocabulary, definitions, or formulas - Anyone who often misses the right review timing during exam preparation - Users who want to systematically maintain and manage their own memorization lists Developer’s Note I’ve personally used this app and experienced significant improvements in memory retention. If the Ebbinghaus method suits you, this planner will reduce the burden of repetition and help you retain information longer. Automate your review sessions now and remember more effectively, for longer. Terms of Service & Privacy Policy Please make sure to read the following before using the app: - Terms of Service: (https://www.notion.so/22bcda0381e9804f9bd3c0c87675f05c?source=copy_link) - Privacy Policy: (https://www.notion.so/21ccda0381e980a4937cefda3d4330a3?source=copy_link)
들락 (Dlock)
Start your day with 5 minutes of reading to combat dopamine addiction. AI scores your literacy daily and ranks you nationally. Begin your journey to a clearer mind today.
- 5-minute daily reading sessions
- AI literacy scoring
- National ranking
- Dopamine addiction management
- Clearer mind focus
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도파민 중독이 고민인가요? - 하루 단 5분 글읽기로 맑은 하루를 시작할 수 있어요! - 매일 내 문해력 지수를 AI가 채점해주고, 전국 랭킹을 알려줘요! 그럼, 오늘부터 들락 해볼까요? 이용 약관 (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 개인정보처리방침 https://daysandmoons1.notion.site/c719942cbb014f2fb14cce9b940b6725?pvs=4
Screenshots
Verdict
The clearest difference is review sentiment: Ebbinghaus Planner at 95% against 들락 (Dlock)'s 38%. 들락 (Dlock)'s advantage is in-app purchases (none vs 4) and update cadence (every 5 days vs every 10 days). 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. Ebbinghaus Planner sells 4 in-app purchases, starting at $2.99 per month. 들락 (Dlock) asks for nothing beyond the download.
Ebbinghaus Planner ships an update every 10 days, 들락 (Dlock) every 5 days. The most recent releases landed on September 26, 2026 and August 1, 2026 respectively.
| Parameter | Ebbinghaus Planner | 들락 (Dlock) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (14 ratings) — better | — |
| Positive reviews | 95.1% of reviews — better | 38.5% of reviews |
| Number of ratings | 14 — better | — |
| Update frequency | Every 10 days | Every 5 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 39 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | SeungGi Lee | Seonhyo Kim |
Customer experience
Ebbinghaus Planner
들락 (Dlock)
In-app purchases
Ebbinghaus Planner
- Monthly14 Days trial$2.991 Month
- Monthly$2.991 Month
- Yearly14 Days trial$19.991 Year
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- Yearly$19.991 Year
들락 (Dlock)
No in-app purchases
