Comparison

Study Deck vs SleepNote

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

Head to head
About

Study Deck

Transform study materials into organized memory cards for faster learning and better retention. Track progress with visual graphs and maintain study habits with a personal calendar. Enjoy an ad-free, distraction-free learning experience.

Highlights
  • Create unlimited custom decks and cards
  • Visualize learning progress with graphs
  • Personal study calendar and habit tracking
  • AI-powered flashcard creation
  • Ad-free and distraction-free interface
Features
Read full description

Stop juggling messy notes and scattered study materials. Study Deck helps you turn any subject into organized, powerful memory cards—so you can learn faster, track your progress, and actually remember. Create Unlimited Decks & Cards Whether you're studying medicine, learning a language, or preparing for finals, build custom decks for every subject. Add your own memory cards, tailor each fact, and learn at your own pace. Visualize Your Progress Knowledge should be measurable. See exactly how well you're doing with clear graphs and percentage scores. Watch your retention grow and know when you've truly mastered a topic. Stay Consistent with a Personal Study Calendar Motivation fades—habits stick. Keep track of every study session, see which subjects you studied each day, and build a streak you're proud of. No more guessing if you're on track. Simple. Flexible. Yours. No ads, no distractions, no limits. Just you, your cards, and a smarter way to learn. Terms and Conditions & Privacy Policy: https://github.com/estersr/App-Policies

About

SleepNote

Record and analyze overnight sounds like dream talk and snoring. Review sleep events, track trends, and gain insights into your sleep patterns with detailed reports and history filtering. Designed for a private, low-interruption experience.

Highlights
  • Night sound recording
  • Dream talk/snore detection
  • Sleep event review
  • Tagging sleep events
  • Sleep trend analysis
  • Weekly sleep reports
  • History filtering
Features
Read full description

SleepNote is a night sound recording and sleep review app that helps you capture dream talk, snoring, movement sounds, and other overnight events, then review what happened more clearly the next day. With SleepNote, you can: - Record night sounds and detect dream talk, snoring, and other sleep events - Read everything you said in your sleep in Dream Talk Journal, search across nights, replay each line, and share the good ones - Catch up on the night with Last Night in 30 Seconds, a highlight reel built for you - Run Sleep Experiments on habits such as coffee, alcohol, or staying up late and see how strong the evidence is - Review single-night details, event timelines, and highlights - Add tags such as coffee, stress, alcohol, and exercise to each night - Explore trends, weekly sleep reports, and tag impact insights in Stats - Filter History by date range, tag, and event type to quickly find the nights you want to revisit Core features include: - Night recording and event detection - Dream talk journal with cross-night search (on-device, nothing uploaded) - 30-second nightly highlight reel with continuous playback - Sleep experiments with evidence strength - Dream talk / snore / noise logging - Single-night detail and timeline review - Tagging and tag impact insights - Weekly sleep reports - History filtering - On-device sleep analysis - 8-language support Speech recognition, statistics, and experiment analysis all run on your device, and your recordings and text are never uploaded. SleepNote stays local-first, account-free, and low-interruption, designed for people who want to observe night sound patterns over time. SleepNote does not provide medical diagnosis or treatment advice. Everything in the app is for personal observation and review only. Feature requests and improvement ideas are welcome: Email: 842797413@qq.com Every piece of feedback is carefully reviewed.

Screenshots

Study Deck4 screens
SleepNote4 screens

Verdict

The call

The clearest difference is price: SleepNote at $1.99 against Study Deck's $7.99. SleepNote also leads on rating (5.0 vs 4.8) and update cadence (every 6 weeks vs every 3 months). Study Deck's advantage is ratings volume (4 vs 1). On ads, in-app purchases, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Study Deck costs $7.99 and SleepNote $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SleepNote holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

Study Deck ships an update every 3 months, SleepNote every 6 weeks. Both last shipped on October 28, 2026.

Scorecard4 real differences · 6 level
Study Deck versus SleepNote: the parameters behind the verdict, then further details
ParameterStudy DeckSleepNote
Price$7.99$1.99 — better
Rating4.8 (4 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings4 — better1
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better18.6
Further details — not scored
Size32 MB3 MB
Age rating4+4+
DeveloperEsther Ramos鹏 杨

Customer experience

Study Deck

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SleepNote

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Study Deck

No in-app purchases

None

SleepNote

No in-app purchases

Questions

Is Study Deck free?
Study Deck costs $7.99, with no in-app purchases.
Is SleepNote free?
SleepNote costs $1.99, with no in-app purchases.
Which has better reviews, Study Deck or SleepNote?
SleepNote is rated higher. Study Deck averages 4.8 out of 5 from 4 ratings, while SleepNote averages 5.0 from 1 ratings.
Do Study Deck or SleepNote have ads?
Neither Study Deck nor SleepNote shows ads.
Which is updated more often, Study Deck or SleepNote?
Study Deck ships an update every 3 months, and SleepNote every 6 weeks. Most recently, Study Deck was updated on October 28, 2026 and SleepNote on October 28, 2026.

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