# Astra AI

According to OpenAITools.app telemetry verified on 2026-11-11, Astra AI (astra-ai.co) is an AI platform indexed under AI Homework Helper (ranked #18 globally) generating 7.36M monthly visits with a month-over-month traffic delta of +2.11M (+40.3%). Its primary geographic market is Vietnam (14.3% traffic share), and it operates on a Freemium, Paid pricing model. Top competing alternatives by monthly volume include Tencent Yuanbao (9.32M visits/mo), AI Hay (8.71M visits/mo), Coddy (7.48M visits/mo).

Your personal AI tutor for every subject, from notes to exam day.

## Key Telemetry & Specifications

| Metric | Value |
| :--- | :--- |
| Tool Name | Astra AI |
| Handle | astra-ai |
| Status | active |
| Origin | independent |
| Maintenance | active |
| Official Domain | astra-ai.co |
| Website URL | https://astra-ai.co |
| Categories | AI Math, AI Homework Helper, AI Language Learning, AI Teachers |
| Pricing Model | Freemium, Paid |
| Monthly Visits | 7,356,157 |
| MoM Traffic Change | 2,114,490 |
| MoM Growth Rate | +40.3% |
| Primary Market | Vietnam |
| Market Share | 14.3% |
| Direct Visits | 2,357,591 |
| Organic Search Visits | — |
| Social Visits | — |
| Referral Visits | 317,336 |
| Email Visits | 59,206 |
| Review Score | 4.3 |
| Saved Count | 5 |
| Supported Platforms | Website |
| Billing Platforms |  |
| Attributes | Features: Website; Pricing: Freemium; Pricing: Paid |
| Tags | AI tutor, Math tutor, Chemistry tutor, Physics tutor, German tutor, Online learning, Education, GPT-4, Homework help, Exam preparation |

## Overview

Astra AI positions itself as a full study companion rather than a simple question-answering chatbot. Instead of dumping answers, it tutors step by step: it asks questions back, checks understanding and refuses to move on until the concept genuinely lands. The platform is designed around the material a student is actually being tested on, so every lesson, quiz and mock exam is grounded in their own coursework rather than generic internet content.

The experience combines multiple learning formats. Students can chat with the tutor, snap a photo of a problem for a walkthrough, generate flashcards, or listen to an auto-generated topic podcast. Exam Prep sets a target date and grade and then assembles a topic-by-topic schedule, while mock oral and written exams simulate the real thing and are graded so nothing catches the student off guard. Progress features like streaks, badges, mastery tracking, interactive 3D simulations and brain games round out the habit-building side.

Astra AI reports more than 19 million students and 342,000+ five-star ratings, with an average App Store rating around 4.7 stars. It offers a genuinely free starting point with no card required, and paid tiers (Plus and Sigma) unlock higher usage limits and premium features for a fraction of the cost of private tutoring.

## Pricing & Plans

Freemium with paid upgrades. A free tier lets students start without a credit card; Astra AI Plus is aimed at everyday learning and a higher tier called Sigma targets serious exam studying. Annual and monthly billing options are available. Check the official pricing page for current rates.

## Key Features & Capabilities

- **Exam Prep Study Plans:** 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.
- **Step-by-Step AI Tutor:** 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.
- **Multi-Format Learning:** Generate guided lessons, flashcards, quizzes, true/false and smart-text exercises, plus an auto-generated podcast so every learning style is covered.
- **Graded Mock Exams:** Practise with realistic oral and timed written mock exams that get graded, so you know where you stand before the real thing.
- **Mastery Tracking & Streaks:** See mastery percentages, learning time and knowledge gaps, and stay motivated with daily streaks, milestone badges and brain games.

## Primary Use Cases

- **Turn class notes into a revision plan (High school student):** Upload lecture notes and slides, set the exam date, and follow a generated plan with quizzes and flashcards that focus only on the material on the test.
- **Prepare for high-stakes finals (University student):** Use graded written and oral mock exams to simulate finals and identify knowledge gaps well before exam day.
- **Affordable alternative to private tutoring (Parent):** Give a student around-the-clock tutoring support at a fraction of hourly private-tutor rates, with visible progress tracking.
- **Learn any topic at your own pace (Self-learner):** Spin up a quiz, podcast or guided lesson on any subject on demand, and use the tutor to work through tough concepts hands-on.

## Strengths

- Builds study plans from your own notes and past papers, not random internet content
- Wide format variety: chat, quizzes, flashcards, podcasts and mock exams in one place
- Free to start with no credit card required
- Strong social proof with millions of students and high app-store ratings

## Limitations

- Full power, including unlimited tutoring and mock exams, is gated behind paid tiers
- Feature depth is greatest for exam-based study, which may suit less self-directed exploration
- Pricing details are shown inside the app rather than a public static page

## Frequently Asked Questions

### Is Astra AI really free to start?
Yes. You can begin using the tutor without a card, and paid tiers unlock higher usage limits and premium features like unlimited tutoring, mock exams and podcasts.

### Does it teach from my own materials?
Yes. Upload your notes, textbooks, slides or past papers, and every lesson, quiz and mock exam is generated from that material.

### Which subjects are covered?
Astra AI supports a broad range of school and university subjects, from maths and sciences to law, and lets you build custom study programmes by subject.

### Can it just give me the answer?
It is designed to tutor rather than hand over answers — it explains step by step and checks your understanding so the answer is the last thing you get, not the first.

### What is Astra AI's monthly traffic and growth trend?
Astra AI currently receives 7.36M monthly visits, with a month-over-month traffic change of +2.11M (+40.3% growth rate). Its primary source market is Vietnam (14.3% share), including 2.36M direct visits/mo and — organic search visits/mo.

### Is Astra AI free? What is its pricing model?
Astra AI operates on a Freemium, Paid pricing model. Freemium with paid upgrades. A free tier lets students start without a credit card; Astra AI Plus is aimed at everyday learning and a higher tier called Sigma targets serious exam studying. Annual and monthly billing options are available. Check the official pricing page for current rates. Supported billing and checkout platforms include: not listed.

### What are the best Astra AI alternatives in 2026?
Based on OpenAITools.app category traffic and feature fit, the top five alternatives to Astra AI are: 1. Tencent Yuanbao (9.32M visits/mo); 2. AI Hay (8.71M visits/mo); 3. Coddy (7.48M visits/mo); 4. Gauth (7.16M visits/mo); 5. Course Hero (5.16M visits/mo).

### Which platforms and core AI capabilities does Astra AI support?
Astra AI is classified under AI Homework Helper, AI Language Learning, AI Teachers, AI Math, supports the following platforms: Website, and its core capability tags include: AI tutor, Math tutor, Chemistry tutor, Physics tutor, German tutor, Online learning.

## Alternatives

| Tool Name | Monthly Visits | Pricing Model | Compare |
| :--- | :--- | :--- | :--- |
| [Tencent Yuanbao](https://openaitools.app/tool/tencent-yuanbao) | 9,318,521 | Free | [Compare](https://openaitools.app/compare/astra-ai-vs-tencent-yuanbao) |
| [AI Hay](https://openaitools.app/tool/ai-hay) | 8,710,314 | Free | [Compare](https://openaitools.app/compare/ai-hay-vs-astra-ai) |
| [Coddy](https://openaitools.app/tool/coddy-tech) | 7,478,457 | Freemium | [Compare](https://openaitools.app/compare/astra-ai-vs-coddy-tech) |
| [Gauth](https://openaitools.app/tool/gauthmath-com) | 7,164,627 | Freemium | [Compare](https://openaitools.app/compare/astra-ai-vs-gauthmath-com) |
| [Course Hero](https://openaitools.app/tool/coursehero-com) | 5,163,395 | Freemium | [Compare](https://openaitools.app/compare/astra-ai-vs-coursehero-com) |
| [Solvely AI](https://openaitools.app/tool/solvely-ai) | 4,526,289 | Freemium | [Compare](https://openaitools.app/compare/astra-ai-vs-solvely-ai) |
| [Knowt](https://openaitools.app/tool/knowt-com) | 4,183,953 | Free | [Compare](https://openaitools.app/compare/astra-ai-vs-knowt-com) |
| [MagicSchool AI](https://openaitools.app/tool/magicschool-ai) | 2,874,288 | Freemium, Free Trial, Contact for Pricing | [Compare](https://openaitools.app/compare/astra-ai-vs-magicschool-ai) |
| [MathGPT](https://openaitools.app/tool/mathgpt-ai-math-solver-animator) | 2,254,286 | Freemium | [Compare](https://openaitools.app/compare/astra-ai-vs-mathgpt-ai-math-solver-animator) |
| [PTE APEUni](https://openaitools.app/tool/apeuni-com) | 2,212,623 | Free | [Compare](https://openaitools.app/compare/apeuni-com-vs-astra-ai) |
| [RevisionDojo](https://openaitools.app/tool/revisiondojo) | 2,210,628 | Freemium | [Compare](https://openaitools.app/compare/astra-ai-vs-revisiondojo) |
| [Oreate AI](https://openaitools.app/tool/oreate-ai) | 1,911,584 | Freemium | [Compare](https://openaitools.app/compare/astra-ai-vs-oreate-ai) |

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Source: https://openaitools.app/tool/astra-ai