Comparison

Thea vs PrimeNote

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

Head to head
About

Thea

Transform your course materials into interactive study tools with an AI-powered platform. Upload notes, PDFs, or videos to generate flashcards, practice tests, and summaries. Learn efficiently and master your subjects with personalized study plans.

Highlights
  • AI-powered study material transformation
  • Interactive flashcards and game modes
  • Adaptive learning question generation
  • Practice test simulation
  • Automatic summarization and guide creation
  • Multi-language support
Features
Read full description

Feeling overwhelmed by lecture notes, textbook PDFs, and hours of video content? Stop juggling dozens of apps. Meet Thea.study, the all-in-one AI learning platform that transforms your course materials into powerful, interactive study tools in seconds. Reduce stress and save time with Thea, your smart study partner. We help you master your material efficiently, leaving more time for the things you love. Thea offers a powerful set of AI tools designed for personalized learning and better results. UPLOAD ANYTHING, STUDY INSTANTLY: Get started in seconds. Upload handwritten notes, PDFs, lecture videos, or even paste a YouTube link. Thea's AI extracts the key information and builds your personalized study kit. SMART STUDY: Move beyond rote memorization. Our AI-powered adaptive learning generates questions that focus on your weak spots, getting more challenging as you master the material. MEMORIZE FASTER: Use interactive flashcards and engaging game modes built on a proven spaced repetition system. Perfect for on-the-go learning that makes information stick. TEST WITH CONFIDENCE: Generate practice tests from your study materials to simulate the real exam environment. Build confidence and refine your strategy before exam day. SUMMARIZE & CREATE GUIDES: Instantly distill dense information into concise summaries. Generate comprehensive, downloadable study guides with a single click to simplify your revision process. DESIGNED FOR STUDENTS EVERYWHERE: With support for over 80 languages, you can learn and study in the language you're most comfortable with for better understanding. ACCESSIBLE ANYTIME, ANYWHERE: Thea works seamlessly across your computer, tablet, and smartphone. Your study companion goes wherever you do. A POWERFUL TOOL FOR EDUCATORS: Create classes, assign AI-generated study modules from your own teaching materials, and track student progress with our powerful analytics. Get Started in Seconds! Download Thea today and start achieving better results with less stress! EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of service: https://www.theastudy.com/termsofservice Privacy policy: https://www.theastudy.com/privacy

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

Screenshots

Thea4 screens
PrimeNote4 screens

Verdict

The call

The clearest difference is rating: Thea at 4.9 against PrimeNote's 1.0. Thea also leads on ratings volume (2.6K vs 2). On price, update cadence, ads and in-app purchases 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. Thea sells 2 in-app purchases, starting at $12.00 per month and PrimeNote sells 8 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Thea holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Thea has 2.6K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Thea ships an update monthly, PrimeNote every 2 months. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Thea versus PrimeNote: the parameters behind the verdict, then further details
ParameterTheaPrimeNote
PriceFreeFree
Rating4.9 (2.6K ratings) — better1.0 (2 ratings)
Positive reviews92.7% of reviews—
Number of ratings2.6K — better2
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size4 MB97 MB
Age rating12+4+
DeveloperThea StudyFuture AI

Customer experience

Thea

All ratings2,459 ratings
Positive97.8%
Neutral0.8%
Negative1.4%
Written reviews510 reviews
Positive92.7%
Neutral3.1%
Negative4.1%

PrimeNote

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Thea

Reported bugs

1 issue
  • Answers not mixed up in matching game

Requested features

2 requests
  • Spaced repetition setting
  • More customization options

PrimeNote

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Thea

Subscriptions2
  • Monthly$12.001 Month
  • Yearly$48.001 Year
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

Questions

Is Thea free?
Thea is free to download, with in-app purchases available.
Is PrimeNote free?
PrimeNote is free to download, with in-app purchases available.
Which has better reviews, Thea or PrimeNote?
Thea is rated higher. Thea averages 4.9 out of 5 from 2.6K ratings, while PrimeNote averages 1.0 from 2 ratings.
Do Thea or PrimeNote have ads?
Neither Thea nor PrimeNote shows ads.
Which is updated more often, Thea or PrimeNote?
Thea ships an update monthly, and PrimeNote every 2 months. Most recently, Thea was updated on November 8, 2026 and PrimeNote on October 31, 2026.

Other comparisons