Nerdmask vs Thea
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nerdmask
Transform your study notes into engaging audiobooks, interactive quizzes, and concise summaries using AI. This app makes learning faster, more enjoyable, and effective by allowing you to study anywhere, anytime. Challenge friends with custom quizzes and leverage AI-powered techniques for optimized learning.
- AI-powered note conversion
- Create podcasts and audiobooks from notes
- Generate quizzes and summaries
- Listen to notes anywhere
- Custom quiz creation
- Spaced repetition learning
- AI-powered study techniques
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Exam tomorrow? Pass by playing. Nerdmask turns your notes into games, podcasts and exams — so studying feels like playing, and it sticks. HOW IT WORKS - Upload anything: PDFs, photos of your notes, audio, YouTube videos. - Play your material: flashcards, true/false, quizzes — earn EXP and keep your streak. - Turn any class into an AI podcast and listen anywhere. - Take AI-generated exams with instant correction. - Chat with your notes: ask anything, get answers from YOUR material. - Smart review brings questions back right before you'd forget them (spaced repetition). Over 500,000 students already study by playing. Rated 4.8 on the App Store. Download NerdMask and pass your next exam — by playing. Upgrade to NerdMask Pro for unlimited AI generations and full access to every mode. Terms: http://www.nerdmask.com/terms Privacy: http://www.nerdmask.com/privacy
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.
- 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
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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
Screenshots
Verdict
The clearest difference is review sentiment: Thea at 95% against Nerdmask's 29%. Thea also leads on rating (4.9 vs 4.7) and ratings volume (2K vs 198). Nerdmask's advantage is update cadence (every 2 days vs monthly). On price, ads, in-app purchases and monetization model 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
Both are free to download. Nerdmask sells 6 in-app purchases, starting at $8.99 per 7 days and Thea sells 2 in-app purchases, starting at $12.00 per month. Whichever you choose, the download price is not the number that matters.
Thea holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Thea has 2K ratings behind it against 198, so its average is the more settled of the two. Written reviews point the same way: 29% of Nerdmask's written reviews are positive against 95% of Thea's.
Nerdmask ships an update every 2 days, Thea monthly. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.
| Parameter | Nerdmask | Thea |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (198 ratings) | 4.9 (2K ratings) — better |
| Positive reviews | 28.6% of reviews | 95.3% of reviews — better |
| Number of ratings | 198 | 2K — better |
| Update frequency | Every 2 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 135 MB | 4 MB |
| Age rating | 4+ | 12+ |
| Developer | Nerdmask | Thea Study |
Customer experience
Nerdmask
Thea
Bugs and requests
Nerdmask
Not enough reviews yet to summarise bugs or requests.
Thea
Reported bugs
1 issue- Answers not mixed up in matching game
Requested features
2 requests- Spaced repetition setting
- More customization options
In-app purchases
Nerdmask
- Weekly Plan Pro$8.997 Days
- Monthly - 25% OFF$13.991 Month
- Monthly Plan Pro$18.991 Month
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- Yearly Plan Pro (20% OFF)$39.991 Year
- Yearly Plan Pro7 Days trial$99.991 Year
- Lifetime Plan$149.99
Thea
- Monthly$12.001 Month
- Yearly$48.001 Year






