Comparison

Forgetting Curve Reminder vs Study Penguin

Price, ratings, monetisation and update history for both apps, side by side β€” 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
Read full description

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

About

Study Penguin

Read full description

Study Penguin β€” Your All-in-One Study Companion Everything you need to study smarter, all in one app. Study Penguin combines time tracking, task management, spaced repetition flashcards, Pomodoro timer, and daily to-do lists into a single, beautifully designed experience. Whether you're preparing for exams, learning a new skill, or building daily study habits, Study Penguin keeps you focused, organized, and motivated. KEY FEATURES β€” Study Timer & Pomodoro β€” Track every minute of your study sessions with precision. Choose between a flexible stopwatch, countdown timer, or structured Pomodoro technique with customizable focus and break intervals. Ambient background sounds β€” rain, classroom, brown noise, pencil writing, simmering pot, and underwater β€” help you stay in the zone. β€” Smart To-Do Lists β€” Plan your day with purpose. Set up to 3 daily tasks, 2 challenge goals that push your limits, and 2 "Not To-Do" items to eliminate distractions. Your morning flow guides you through goal-setting each day, keeping your intentions clear and actionable. β€” Flashcards with Spaced Repetition β€” Create rich flashcards with text, images, and audio. Our spaced repetition algorithm schedules reviews at optimal intervals so you remember more with less effort. Track mastery levels and watch your knowledge grow over time. β€” Subject & Task Management β€” Organize your studies by subject and track time spent on each. Review history shows exactly when and how long you studied, making it easy to identify gaps and balance your workload. β€” Daily News & Motivation β€” Start each day with a personalized study newspaper featuring your progress, achievements, and an editorial space for reflection. Look back on past editions to see how far you've come. β€” Detailed Records & Analytics β€” Visualize your study patterns with daily, weekly, and monthly breakdowns. See your streaks, total hours, and subject distribution at a glance. Data-driven insights help you optimize your routine. β€” iCloud Sync β€” Seamlessly sync all your data across devices. Switch between iPhone and iPad without losing a single flashcard, study session, or achievement. β€” Calming Design β€” A clean, distraction-free interface with light and dark modes. Study Penguin is designed to feel like a trusted companion β€” always there when you need it, never in the way. Study Penguin is built for every learner: students preparing for university entrance exams, professionals studying for certifications, language learners building vocabulary, and anyone who believes in the power of consistent daily effort. Download Study Penguin today and transform the way you study.

Screenshots

Forgetting Curve Reminder4 screens
Study Penguin4 screens

Verdict

The call

The clearest difference is price: Study Penguin at Free against Forgetting Curve Reminder's $1.99. Study Penguin also leads on update cadence (daily vs every 3 weeks) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Study Penguin 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.

UpkeepUpdate frequency

Forgetting Curve Reminder ships an update every 3 weeks, Study Penguin daily. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

Scorecard4 real differences Β· 4 level
Forgetting Curve Reminder versus Study Penguin: the parameters behind the verdict, then further details
ParameterForgetting Curve ReminderStudy Penguin
Price$1.99Free β€” better
Positive reviews87.5% of reviewsβ€”
Update frequencyEvery 3 weeksDaily β€” better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidβ€”
DevicesiPhoneiPhone, iPad, iPod β€” better
Requires iOS17.015.1 β€” better
Further details β€” not scored
Size3 MB38 MB
Age rating4+4+
DeveloperManabi Mate LLCRei Minamida

In-app purchases

None

Forgetting Curve Reminder

No in-app purchases

None

Study Penguin

No in-app purchases

Questions

Is Forgetting Curve Reminder free?
Forgetting Curve Reminder costs $1.99, with no in-app purchases.
Is Study Penguin free?
Study Penguin is free to download, with no in-app purchases.
Do Forgetting Curve Reminder or Study Penguin have ads?
Neither Forgetting Curve Reminder nor Study Penguin shows ads.
Which is updated more often, Forgetting Curve Reminder or Study Penguin?
Forgetting Curve Reminder ships an update every 3 weeks, and Study Penguin daily. Most recently, Forgetting Curve Reminder was updated on October 12, 2026 and Study Penguin on October 2, 2026.

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