Comparison

PrimeNote vs Lucrux

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

Head to head
About

PrimeNote

Transform lectures, PDFs, and screenshots into AI-powered study notes. Generate summaries, flashcards, quizzes, and even a listenable podcast to enhance learning and retention. Study smarter, remember more with tools designed for active recall and spaced repetition.

Highlights
  • AI-generated summaries
  • Auto-generated flashcards
  • Comprehension quizzes
  • Listenable AI study podcast
  • Spaced repetition review
  • Progress tracking
  • OCR for image notes
Features
Read full description

Tired of forgetting 80% of what you study? PrimeNote turns any lecture, PDF, or screenshot into AI study notes — with summaries, flashcards, quizzes, and a listenable podcast to review on the go. Most note apps help you capture information. PrimeNote helps you actually learn it — with active recall, spaced repetition, and audio review built in. Study less. Remember more. Capture Everything PrimeNote supports multiple ways to bring in learning materials: • Record lectures and voice notes (audio to text) • Import PDFs and documents • Upload images and scanned pages (OCR) • Add web pages and video links AI turns messy inputs into clear notes — so you spend less time organizing and more time learning. AI-Powered Smart Notes PrimeNote transforms your materials into learning-ready notes — not just raw text. • Clear AI summaries that highlight what truly matters • Auto-generated infographics for fast visual understanding • Flashcards built from key concepts for active recall • Quizzes to test comprehension and reinforce memory • Mind maps that show how ideas connect • AI chat to ask questions based on your notes • Access to the original transcript or source text anytime Everything stays linked to the source, so you can move seamlessly from high-level understanding to full detail when needed. Learn & Remember Go beyond note-taking with tools built for retention: • Spaced repetition to review at the right time • Progress tracking to focus on weak areas • Smart review reminders so nothing slips away • Short, focused study sessions that fit your schedule PrimeNote is designed to help knowledge stick — not just pile up. Listen & Review Turn any note into a listening experience — great for commutes, walks, or workouts: • AI study podcast: generate a listenable podcast from your notes with chapters and AI voice • Text-to-speech narration of summaries, flashcards, and key concepts • Multiple voices, adjustable playback speed, and chapter navigation • Download audio for offline listening anywhere • Free plan includes limited podcast generation; Pro unlocks unlimited high-quality voices, BGM, and chapter tools Share & Export Reuse your knowledge anywhere: • Share notes via links with access control • Export as PDF, images, Markdown, or audio files • Create clean, share-ready cards for classmates or study groups Perfect For • Students preparing for exams • Self-learners taking online courses • Reading-heavy subjects and lecture-based classes • Educators organizing and sharing learning materials • Anyone who wants to actually remember what they study Your Privacy Your notes and data stay encrypted. We never sell your data. Free & Pro Plans PrimeNote is free to try with monthly AI limits. PrimeNote Pro unlocks: • Unlimited AI notes, summaries, flashcards, and quizzes • High-quality AI podcast generation with more voices, BGM, and chapter tools • Advanced spaced repetition and review reminders • Priority processing and an ad-free experience Subscription options: Weekly, Monthly, or Yearly. Subscription auto-renews unless you cancel at least 24 hours before the end of the current period. Cancel anytime in your Apple ID settings. Start learning smarter today — no credit card required. Questions? Email support@primenote.app. Privacy Policy: https://primenote.app/privacy.html Terms of Service: https://primenote.app/terms.html

About

Lucrux

Features
Read full description

Lucrux is one AI tutor for the whole household. It studies WITH your kid — not instead of them. It asks questions, checks the answers, notices what didn't land, and comes back to it. And it tells you, the parent, how it's actually going, so you stop having to ask "did you study?" and start knowing. HOW IT WORKS Add a course — a class from school, an instrument, a language, anything worth getting better at. Lucrux breaks it into topics, then works through them with your student: short question sets, real explanations when an answer is wrong, and a running picture of what's mastered and what still needs another pass. Nobody has to build a study plan. The tutor keeps the thread. FOR PARENTS You see progress, not transcripts. Which topics are moving, which are stuck, what got studied this week. Your household's calendar, tasks and deadlines live here too, so the things that usually get lost — the test on Thursday, the form due Friday — stop getting lost. FOR STUDENTS Ask it anything, any hour. It explains it a second way when the first way didn't work, quizzes you when you want to be quizzed, and doesn't lecture you. YOUR CHATS STAY YOURS Everything your family makes is visible inside your family — the progress, the calendar, the tasks. Your conversations with the tutor are not. Parents see how it's going; they don't see what you talked about. That wall is built into the product, not a setting you have to find. WORKS WITH APPLE HEALTH With your permission, Lucrux reads your workouts, steps and heart rate from Apple Health, so the day view and your family's updates can say "ran 5k this morning". You choose how much the app keeps — workout summaries, or the detailed heart series for you alone — and you can turn it off anytime in Settings. Your family only ever sees workout summaries, never a heart number. WHAT IT COSTS Free for 14 days. Then Base at US$14.99/month or Plus at US$29.99/month for a household — one subscription, everyone in the family, not per person. If a subscription lapses, nothing is deleted and nothing is locked. Everything your family has made stays here and stays readable. What pauses is the tutor creating new work. Questions: support@ablesoftware.io

Screenshots

PrimeNote4 screens
Lucrux4 screens

Verdict

The call

The clearest difference is update cadence: Lucrux at every 2 days against PrimeNote's every 2 months. PrimeNote's advantage is iOS requirement (15.6 vs 17.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PrimeNote sells 8 in-app purchases, starting at $6.99 per 7 days and Lucrux sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PrimeNote ships an update every 2 months, Lucrux every 2 days. Both last shipped on October 24, 2026.

Scorecard2 real differences · 7 level
PrimeNote versus Lucrux: the parameters behind the verdict, then further details
ParameterPrimeNoteLucrux
PriceFreeFree
Rating1.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size83 MB53 MB
Age rating4+4+
DeveloperFuture AISearch Rebel

In-app purchases

8 purchases

PrimeNote

Subscriptions4
  • PrimeNote Pro: Unlimited AI Notes$6.997 Days
  • PrimeNote Pro: Unlimited AI Notes$12.991 Month
  • PrimeNote Pro: Unlimited AI Notes7 Days trial$79.991 Year
Show 1 more
  • PrimeNote Pro Yearly1 Year trial$79.991 Year
One-time4
  • 200 AI Credits$4.99
  • 900 AI Credits$17.99
  • 2,700 AI Credits$44.99
Show 1 more
  • 6,300 AI Credits$89.99
2 purchases

Lucrux

Subscriptions2
  • Study Partner14 Days trial$14.991 Month
  • Study Partner Plus14 Days trial$29.991 Month

Questions

Is PrimeNote free?
PrimeNote is free to download, with in-app purchases available.
Is Lucrux free?
Lucrux is free to download, with in-app purchases available.
Do PrimeNote or Lucrux have ads?
Neither PrimeNote nor Lucrux shows ads.
Which is updated more often, PrimeNote or Lucrux?
PrimeNote ships an update every 2 months, and Lucrux every 2 days. Most recently, PrimeNote was updated on October 24, 2026 and Lucrux on October 24, 2026.

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