
Offers industry-leading conversational voice capabilities and broad reasoning, though it lacks specialized roleplay games.
Offers industry-leading conversational voice capabilities and broad reasoning, though it lacks specialized roleplay games.
Astra AI records 7,356,157 monthly visits with +40.3% month-over-month growth and Freemium, Paid pricing. Roxy - AI Voice Companion records 27,212,532 monthly visits with -6.4% growth and Freemium pricing.

Your personal AI tutor for every subject, from notes to exam day.
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | astra-ai.co | itunes.apple.com |
| Pricing Model | Freemium, Paid | Freemium |
| Monthly Visits | 7.36M (7,356,157) | 27.21M (27,212,532) |
| MoM Traffic Delta | +2.11M (+40.3%) | -1.87M (-6.4%) |
| Primary Market & Share | 🇻🇳 Vietnam (14.3%) | 🇺🇸 United States (35.2%) |
| Direct Visits / mo | 2.36M | 9.07M |
| User Rating | 4.3 | 4.1 |
| Supported Platforms | Website | App |

Your personal AI tutor for every subject, from notes to exam day.
Upload your notes, slides or past papers, set your exam date and target grade, and Astra assembles a topic-by-topic revision plan built around exactly what you'll be tested on.
Ask by typing, speaking or snapping a photo. The tutor explains concepts at your level, asks follow-up questions and keeps going until the idea actually clicks.
Generate guided lessons, flashcards, quizzes, true/false and smart-text exercises, plus an auto-generated podcast so every learning style is covered.
Practise with realistic oral and timed written mock exams that get graded, so you know where you stand before the real thing.

Hands-free AI voice chat for conversation, language practice and games
Talk to Roxy naturally in a voice-first interface and hear spoken replies, so you can use the app while driving, cooking or relaxing without touching your phone.
Play trivia, word puzzles, 20 questions and other casual games using only your voice for entertainment on the go.
Hold interactive conversations to practise a new language, or ask for instant translations when you need them.
Recent versions let you pick the underlying language model - Claude, DeepSeek, Gemini or your own custom model - to shape how conversations feel.

Offers industry-leading conversational voice capabilities and broad reasoning, though it lacks specialized roleplay games.
Offers industry-leading conversational voice capabilities and broad reasoning, though it lacks specialized roleplay games.

Provides fluid multimodal voice interactions and massive context integration, but is less tailored for casual companion games.
Provides fluid multimodal voice interactions and massive context integration, but is less tailored for casual companion games.

Delivers real-time conversational assistance with live web integration, but lacks dedicated hands-free voice companion modes.
Delivers real-time conversational assistance with live web integration, but lacks dedicated hands-free voice companion modes.

SpecialistExcels at high-accuracy translation and real-time voice translation, but does not offer conversational companion gameplay.
SpecialistExcels at high-accuracy translation and real-time voice translation, but does not offer conversational companion gameplay.
AI study app that converts notes, PDFs, and videos into interactive flashcards and gamified quizzes.
AI study app that converts notes, PDFs, and videos into interactive flashcards and gamified quizzes.
All-in-one student study platform that solves homework problems, predicts exams, and generates custom flashcards.
All-in-one student study platform that solves homework problems, predicts exams, and generates custom flashcards.
Free study platform that automatically generates flashcards and practice tests from your lecture notes and files.
Free study platform that automatically generates flashcards and practice tests from your lecture notes and files.

SpecialistInteractive learning platform teaching math and science through hands-on visual puzzles and guided AI tutoring.
SpecialistOnline exam preparation platform combining course study materials with an interactive AI study tutor.
SpecialistOnline exam preparation platform combining course study materials with an interactive AI study tutor.

AI learning platform that turns course materials into interactive flashcards, quizzes, study notes, and video explainers.
AI learning platform that turns course materials into interactive flashcards, quizzes, study notes, and video explainers.

SpecialistFeatures structured language courses with conversational avatar tutors, but lacks open-ended voice gaming.
SpecialistFeatures structured language courses with conversational avatar tutors, but lacks open-ended voice gaming.

AI learning assistant that automatically converts course materials and lectures into study guides and quizzes.
AI learning assistant that automatically converts course materials and lectures into study guides and quizzes.