ThetaWave vs StudyOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ThetaWave
This AI-powered study assistant transforms various learning materials into structured notes, mind maps, flashcards, and quizzes. It helps users learn faster, understand deeper, and retain information longer through intelligent summarization and Q&A.
- Auto-structured AI notes from various content types
- AI-generated flashcards and quizzes
- Deep Q&A for concept clarification
- Mind map creation
- Progress tracking
- Spaced repetition for retention
Read full descriptionHide full description
Transform Your Learning with ThetaWave – AI Study Notes ThetaWave is an all-in-one AI study assistant that transforms everything you learn into clear, structured, and deeply understandable AI notes. Whether you're studying from videos, audio recordings, PDFs, textbooks, screenshots, or web pages, ThetaWave turns your materials into organized notes, mind maps, flashcards, and quizzes — all inside one intelligent learning workspace. Powered by advanced AI reasoning, ThetaWave helps you learn faster, understand deeper, and retain information longer. Key Features: 1. Auto-Structured AI Notes Convert any content into clean, well-organized study notes in seconds. ThetaWave automatically extracts key points, sections, insights, and takeaways, so you can focus on learning instead of manual note-taking. - Works with video, audio, PDF, images, and text - Generates clear outlines, summaries, definitions, and examples - Highlights essential concepts automatically - Saves hours of rewriting and organizing Ideal for lectures, study sessions, research, and professional content. 2. Flashcards & Quizzes for Better Retention Reinforce what you learn with AI-generated flashcards and quizzes designed for long-term memory. - Automatic flashcard creation from your notes - Smart quizzes to test understanding - Spaced repetition to improve recall - Track your learning progress Perfect for exam preparation, revision, self-study, and continuous learning. 3. AI Summary & Deep Q&A Learn by interacting directly with your notes. - Ask questions and receive accurate, context-aware answers - Clarify difficult concepts - Explore deeper explanations - Compare ideas and analyze relationships - Review key topics quickly It’s like studying with an intelligent tutor, available anytime. Why Choose ThetaWave? - Learn faster with structured, high-quality AI notes - Understand better through reasoning-based AI - Remember more with flashcards and quizzes - Keep everything organized across subjects and formats - One workspace for studying, research, and knowledge building Whether you're a student, professional, researcher, or lifelong learner, ThetaWave helps you turn information into mastery. Built for Every Learning Scenario - University lectures and classroom learning - Online courses and self-guided study - Research papers, textbooks, and academic reading - Professional training and meeting notes - Language learning and personal projects Wherever knowledge is created, ThetaWave elevates it. Start Learning Smarter Today! Experience structured learning powered by AI. Experience ThetaWave. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
StudyOS
Transform your study materials into interactive flashcards, summaries, and quizzes with AI. This app efficiently prepares you for exams and helps you master concepts on the go, making learning faster and more engaging.
- AI-generated flashcards
- Automated summaries
- Personalized quizzes
- Material upload (notes, PDFs, images)
- Spaced repetition techniques
- Progress tracking
Read full descriptionHide full description
Say goodbye to tedious and traditional methods. With StudyOS, your notes, PDFs, or even images are instantly transformed into smart flashcards, quick summaries, and multiple-choice questions – without manual copy-pasting, without hassle. Our powerful AI takes your material and quickly generates dynamic flashcards, summaries, and personalized quizzes, helping you prepare efficiently for big exams or review key concepts on the go. Focus on what truly matters, wherever you are. StudyOS is designed to boost your study effectiveness, making learning faster, more engaging, and with a cleaner, smoother interface. Simply upload your study materials and let our AI turn them into flashcards, summaries, and quizzes tailored to you. This main functionality is just the beginning of how StudyOS will revolutionize your learning. We’re just getting started! Soon you’ll be able to do even more, all powered by AI: generate quick summaries of your notes, create multiple-choice questions and more features from your study materials, test yourself, and master concepts with advanced spaced repetition techniques. Download StudyOS today and study smarter, not harder. Upgrade to StudyOS PRO for unlimited AI access and advanced features. Our terms: https://studyosapp.app/en/terms Our privacy policy: https://studyosapp.app/en/privacy
Screenshots
Verdict
The clearest difference is ads: StudyOS at none against ThetaWave's shown. StudyOS also leads on rating (4.9 vs 4.6). ThetaWave's advantage is iOS requirement (15.1 vs 17.1). On price, ratings volume, update cadence 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
Both are free to download. ThetaWave sells 10 in-app purchases, starting at $19.90 per month and StudyOS sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
StudyOS holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 50 and 66 respectively.
ThetaWave ships an update fortnightly, StudyOS every 9 days. The most recent releases landed on September 22, 2026 and August 12, 2026 respectively.
| Parameter | ThetaWave | StudyOS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (50 ratings) | 4.9 (66 ratings) — better |
| Positive reviews | 57.4% of reviews | — |
| Number of ratings | 50 | 66 — better |
| Update frequency | Fortnightly | Every 9 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.1 |
| Further details — not scored | ||
| Size | 101 MB | 118 MB |
| Age rating | 4+ | 4+ |
| Developer | Thetawave | DANIEL PONCELAS VARGAS |
Customer experience
ThetaWave
StudyOS
In-app purchases
ThetaWave
- Plus$19.901 Month
- ThetaWave Pro Weekly3 Days trial$19.997 Days
- ThetaWave Pro Month$21.991 Month
Show 7 moreShow fewer
- Pro$24.991 Month
- Plus$38.903 Months
- ThetaWave Pro Quarterly$47.903 Months
- Pro$47.903 Months
- Pro$94.901 Year
- ThetaWave Pro Year$118.991 Year
- Pro$118.991 Year
StudyOS
- Premium Access$4.997 Days
- Premium Access3 Days trial$12.991 Month
- Premium Access1 Month trial$12.991 Month
Show 1 moreShow fewer
- Premium Access3 Days trial$69.991 Year









