Forgetting Curve Reminder vs 記憶KEEPER
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Forgetting Curve Reminder
This app uses spaced repetition based on the forgetting curve to help you remember what you learn. It schedules reviews and sends timely notifications to ensure you don't miss important study sessions. Track your progress and review history with visual charts.
- Spaced repetition scheduling
- Customizable review reminders
- Overdue and second reminder options
- Progress tracking and history
- Visual forgetting curve charts
- Customizable categories
- iCloud synchronization
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Forgetting Curve Reminder is a scientific review planner based on Ebbinghaus’s forgetting curve. It reminds you on every review day. When reviews are still waiting, the Overdue Reminder and the optional Second Reminder let you know again, so a missed review doesn’t go unnoticed. WHO IS THIS FOR? - Students preparing for exams - Language learners memorizing vocabulary - Professionals studying for certifications - Anyone who wants to remember what they learn KEY FEATURES - Create study items and auto-generate review schedules (1, 3, 7, 14 and 30 days later by default) - Get a notification on each review day at the time you choose - Overdue Reminder: on days with overdue reviews, one reminder at your notification time tells you how many there are (you can turn it off in Settings) - Second Reminder: turn it on to get one more reminder at a time you choose when the day’s reviews aren’t done (off by default; preset to 8:00 PM) - Check today’s tasks and progress at a glance - Mark reviews complete with one tap - The memo field grows with your text, and the item screen shows the whole memo: select and copy any part, and tap links to open them - Add your own categories and delete the ones you don’t need, even the built-in English, Math and Certification (you can bring them back later) - Category changes reach your other devices through iCloud - Look back on your review history - See each item’s forgetting curve as a chart - Track your last 7 days and your streak - Set the number of reviews (3 to 7) and the day of each one (1 to 365 days after you add the item) PRIVACY FIRST - Data stays on your device and in your private iCloud - No account registration required - No ads and no tracking
記憶KEEPER
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「いつ復習すればいいか分からない」「問題集を何周もしているのに身につかない」——記憶KEEPERは、忘却曲線にもとづく間隔反復で、資格勉強の“復習タイミング”を自動で管理するアプリです。 【特長】 ・問題番号を登録するだけ。カードを一から作る手間はありません。 ・「今日復習すべき問題」を毎日提示し、勉強の偏りを防ぎます。 ・苦手な問題だけを集中して復習できる「苦手対策」。 ・教材→章→節で整理でき、複数の資格を並行して管理できます。 ・広告なし・余計な通知なし。 【こんな方に】 宅建士・FP・簿記・施工管理技士・行政書士・社労士など、自分の問題集で暗記を進めたい資格受験者の方へ。 今なら無料でご利用いただけます。
Screenshots
Verdict
The clearest difference is price: 記憶KEEPER at Free against Forgetting Curve Reminder's $1.99. 記憶KEEPER also leads on iOS requirement (15.0 vs 17.0). On update cadence, ads, in-app purchases 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
記憶KEEPER is free to download; Forgetting Curve Reminder costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Forgetting Curve Reminder ships an update every 4 days, 記憶KEEPER every 3 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.
| Parameter | Forgetting Curve Reminder | 記憶KEEPER |
|---|---|---|
| Price | $1.99 | Free — better |
| Positive reviews | 88.9% of reviews | — |
| Update frequency | Every 4 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 4 MB |
| Age rating | +4 | 4+ |
| Developer | Manabi Mate LLC | nao watanabe |
In-app purchases
Forgetting Curve Reminder
No in-app purchases
記憶KEEPER
No in-app purchases
Questions
Is Forgetting Curve Reminder free?
Is 記憶KEEPER free?
Do Forgetting Curve Reminder or 記憶KEEPER have ads?
Which is updated more often, Forgetting Curve Reminder or 記憶KEEPER?
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