Periplus records 27,280 monthly visits with -28.2% month-over-month growth and Freemium pricing. Thea records 273,076 monthly visits with -27% growth and Freemium pricing.
Turn any topic or PDF into a full AI-built course
Free AI study partner that turns your course material into practice questions, guides and flashcards
| Dimension / Metric | | |
|---|---|---|
| Official Domain | periplus.app | theastudy.com |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 27.28K (27,280) | 273.08K (273,076) |
| MoM Traffic Delta | -10.72K (-28.2%) | -100.92K (-27%) |
| Primary Market & Share | 🇺🇸 United States (56%) | 🇺🇸 United States (16.9%) |
| Direct Visits / mo | 12.79K | 45.55K |
| User Rating | 4.3 | 4.3 |
| Supported Platforms | Website | Website |
Turn any topic or PDF into a full AI-built course
Type a topic or question and get a chapter-by-chapter course, with any lesson able to branch into a new, linked course.
Any lesson converts into flashcards and quizzes that return on a schedule timed for just before you would forget.
Each chapter becomes a podcast episode hosted by two AI voices, with word-level captions, transcripts and the ability to ask questions out loud.
Documents link to related lessons so you can compare side by side or follow connections across subjects.
Free AI study partner that turns your course material into practice questions, guides and flashcards
Upload PDFs, DOCX, PPTX, images, MP4, MP3, notes or a YouTube link and get study material generated from it — over 90 supported file types.
Thea asks you questions drawn from your own course content instead of revealing answers, so learning happens through active retrieval.
The system tracks what you know and what you do not, then focuses your sessions on the material you have not yet mastered.
Per-kit progress views let you see coverage and weak spots as an exam approaches.
Massive library of shared academic notes and university resources, complemented by built-in AI study and quiz tools.
Massive library of shared academic notes and university resources, complemented by built-in AI study and quiz tools.
Gamifies flashcard study and quiz generation with engaging interactive game modes, but offers fewer deep document summarization features.
Gamifies flashcard study and quiz generation with engaging interactive game modes, but offers fewer deep document summarization features.
Provides robust note-taking and free flashcard creation tools, but lacks some of Thea's automated course-to-quiz conversion workflows.
Provides robust note-taking and free flashcard creation tools, but lacks some of Thea's automated course-to-quiz conversion workflows.
All-in-one IB and MYP exam prep with an AI study partner
Generates interactive flashcards and AI video explainers from course materials, but can be more expensive for premium plans.
Generates interactive flashcards and AI video explainers from course materials, but can be more expensive for premium plans.
Turn any material into notes, flashcards, quizzes, and podcasts.
Combines peer-shared university study notes with AI-powered flashcard generation and document Q&A chat functionality.
Combines peer-shared university study notes with AI-powered flashcard generation and document Q&A chat functionality.
Transforms lecture notes and recordings into personalized flashcards and mind maps, but lacks advanced collaborative study features.
Transforms lecture notes and recordings into personalized flashcards and mind maps, but lacks advanced collaborative study features.
Automatically converts lengthy course materials into structured study guides and quizzes, though the interface feels busier.
Automatically converts lengthy course materials into structured study guides and quizzes, though the interface feels busier.
AI-powered exam prep with question banks, mock tests and spaced-repetition flashcards for 10,000+ exams
AI-powered exam prep with question banks, mock tests and spaced-repetition flashcards for 10,000+ exams
Streamlines exam revision by converting notes and documents into flashcards and quizzes, but offers less specialized audio tutoring.
Streamlines exam revision by converting notes and documents into flashcards and quizzes, but offers less specialized audio tutoring.
Turn PDFs, slides, notes and videos into Anki flashcards with AI
Turn PDFs, slides, notes and videos into Anki flashcards with AI
