Comparison

Forgetting Curve Reminder vs 進数ノック

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Scientific review scheduling
  • Local reminders
  • Progress tracking
  • One-tap completion
  • Review history
  • Customizable intervals
Features
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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

About

進数ノック

Features
Read full description

「進数ノック」は、高校の情報科目やプログラミング学習でつまずきやすい基数変換・2進数計算を、繰り返し解いて身につけるためのドリルアプリです。 ■ 対応する出題範囲 ・2進数 ⇔ 10進数 ⇔ 16進数の相互変換 ・2進数の足し算・引き算(2の補数表現) ・IEEE754単精度浮動小数点の読み解き ■ 2つの回答方式 ・4択:選択肢から選ぶ手軽なモード ・自由入力:専用キーパッドで数値を直接入力する本格モード ■ その他の特長 ・5問・10問から選べる短時間セッション ・途中式をいつでも確認できる解説パネル ・結果を画像でシェアできる機能 ・日本語・英語表示に対応 ・開発と運営を続けるため、広告を表示しています(非表示オプションあり) サーバーには一切データを送信せず、端末内で完結します。テスト前のすきま時間に、何度でも気軽に取り組んでください。

Screenshots

Forgetting Curve Reminder4 screens
進数ノック4 screens

Verdict

The call

The clearest difference is price: 進数ノック at Free against Forgetting Curve Reminder's $1.99. 進数ノック also leads on update cadence (daily vs every 5 days). Forgetting Curve Reminder's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

進数ノック is free to download; Forgetting Curve Reminder costs $1.99 up front. 進数ノック sells 1 one-off in-app purchase. Forgetting Curve Reminder asks for nothing beyond the download.

UpkeepUpdate frequency

Forgetting Curve Reminder ships an update every 5 days, 進数ノック daily. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

Scorecard3 real differences · 5 level
Forgetting Curve Reminder versus 進数ノック: the parameters behind the verdict, then further details
ParameterForgetting Curve Reminder進数ノック
Price$1.99Free — better
Positive reviews88.9% of reviews—
Update frequencyEvery 5 daysDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.017.0
Further details — not scored
Size3 MB6 MB
Age rating4+4+
DeveloperManabi Mate LLCHikaru Hakata

In-app purchases

None

Forgetting Curve Reminder

No in-app purchases

1 purchases

進数ノック

One-time1
  • 広告非表示$1.99

Questions

Is Forgetting Curve Reminder free?
Forgetting Curve Reminder costs $1.99, with no in-app purchases.
Is 進数ノック free?
進数ノック is free to download, with in-app purchases available.
Do Forgetting Curve Reminder or 進数ノック have ads?
Neither Forgetting Curve Reminder nor 進数ノック shows ads.
Which is updated more often, Forgetting Curve Reminder or 進数ノック?
Forgetting Curve Reminder ships an update every 5 days, and 進数ノック daily. Most recently, Forgetting Curve Reminder was updated on October 24, 2026 and 進数ノック on October 19, 2026.

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