Course Hero records 5,163,395 monthly visits with -1.4% month-over-month growth and Freemium pricing. SAT Sphere records 21,754 monthly visits with +32.8% growth and Freemium pricing.
Study library, AI homework help, and 24/7 tutor access in one place
Digital SAT prep with lessons, practice tests and an AI tutor
| Dimension / Metric | | |
|---|---|---|
| Official Domain | coursehero.com | satsphere.com |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 5.16M (5,163,395) | 21.75K (21,754) |
| MoM Traffic Delta | -72.33K (-1.4%) | +5.37K (+32.8%) |
| Primary Market & Share | 🇺🇸 United States (55%) | 🇺🇸 United States (47.8%) |
| Direct Visits / mo | 866.95K | 7.71K |
| User Rating | 3.7 | 4.4 |
| Supported Platforms | Website | Website |
Study library, AI homework help, and 24/7 tutor access in one place
Search by school and course to reach lecture notes, study guides, past exams, and assignment solutions shared by students at thousands of institutions.
Submit a question and get AI-generated explanations and recommended study content rather than an unexplained final answer.
Ask a tutor at any hour across core subjects and receive a worked, expert-checked response, usually within minutes.
Work through textbook problems and math questions with structured, step-by-step solutions rather than answer keys alone.
Digital SAT prep with lessons, practice tests and an AI tutor
Eight modules and 75 guided lessons covering both Reading and Writing and Math, with worked examples followed by SAT-style questions and instant explanations.
Full-length and custom practice exams in the Bluebook module format with section timers, an estimated score and a review of every answer.
Ask SAT AI for a step-by-step explanation, a hint or a similar practice problem, available with a daily trial allowance on lower plans and fully in Premium Plus.
Spaced-repetition decks covering vocabulary, grammar and math, plus a searchable dictionary of about 28,000 SAT-relevant words with definitions and example sentences.
SpecialistA general-purpose conversational AI assistant capable of solving complex academic problems and explaining concepts.
SpecialistA general-purpose conversational AI assistant capable of solving complex academic problems and explaining concepts.
SpecialistPerforms conversational web research with citations, useful for broad academic inquiries rather than course notes.
SpecialistPerforms conversational web research with citations, useful for broad academic inquiries rather than course notes.
Focuses heavily on crowdsourced university notes and study documents, matching Course Hero's core repository model.
Focuses heavily on crowdsourced university notes and study documents, matching Course Hero's core repository model.
Your personal AI tutor for every subject, from notes to exam day.
Specializes in instant step-by-step math and science homework solutions from photo uploads, with less document sharing.
Specializes in instant step-by-step math and science homework solutions from photo uploads, with less document sharing.
Offers all-in-one AI homework solving and exam prediction, but lacks Course Hero's massive user-uploaded document library.
Offers all-in-one AI homework solving and exam prediction, but lacks Course Hero's massive user-uploaded document library.
Interactive math, coding and AI tutoring you learn by doing
All-in-one IB and MYP exam prep with an AI study partner
Converts course materials into interactive flashcards, quizzes, and study notes using AI, focusing on active learning.
Converts course materials into interactive flashcards, quizzes, and study notes using AI, focusing on active learning.
AI-powered A Level and GCSE courses with a top-grades-or-refund guarantee
Adaptive reading comprehension practice with instant data for every student
Adaptive reading comprehension practice with instant data for every student
Provides shared university study documents combined with AI flashcards and Q&A chat features.
Provides shared university study documents combined with AI flashcards and Q&A chat features.
