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 helps you remember what you learn by scheduling reviews based on the Ebbinghaus forgetting curve. Create study items, receive timely reminders, and track your progress with ease. All your data is stored locally for enhanced privacy.
- Scientific review scheduling
- Local reminders
- Progress tracking
- One-tap completion
- Review history
- Customizable intervals
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Forgetting Curve Reminder is a scientific review planner based on Ebbinghaus’s forgetting curve. 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 - Get local reminders at the right time to review - Check today’s tasks and progress at a glance - Mark reviews complete with one tap - Look back on your review history - See each item's forgetting curve as a chart - Track your last 7 days and your streak - Customize intervals from 3 to 7 reviews 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 update cadence (every 3 days vs every 3 weeks) and iOS requirement (15.0 vs 17.0). On 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 3 weeks, 記憶KEEPER every 3 days. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.
| Parameter | Forgetting Curve Reminder | 記憶KEEPER |
|---|---|---|
| Price | $1.99 | Free — better |
| Positive reviews | 87.5% of reviews | — |
| Update frequency | Every 3 weeks | 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 | 3 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?
Other comparisons
