StudyInk vs Chegg
Chegg gives textbook solutions and expert Q&A for a monthly fee; StudyInk offers free SAT prep and AI tutoring. Compare features and price.
Chegg is a paid homework-help subscription built around millions of textbook solutions and human expert Q&A. StudyInk is a free-to-start exam-prep and study platform with SAT practice and an AI tutor. The right choice depends on whether you need occasional textbook answers or ongoing, adaptive exam practice.
Feature comparison
| Feature | StudyInk | Chegg |
|---|---|---|
| Core offering | Adaptive SAT practice, diagnostics, and an AI tutor that grades essays and free-response work. | Step-by-step textbook solutions and 24/7 human Expert Q&A across thousands of titles. |
| How answers are produced | AI-generated explanations and practice. | Pre-written solutions from a large library plus responses from paid human subject experts (typically within an hour). |
| Exam preparation | Built for the SAT: timed sections, drill plans, and progress tracking toward a target score. | Includes practice and writing tools, but is oriented toward textbook-based coursework rather than adaptive test drilling. |
| Study community | Study groups with shared plans, leaderboards, duels, and streaks for accountability. | No built-in study groups or peer accountability features. |
| Essay and free-response grading | INKY grades essays and free-response questions with step-by-step feedback. | Chegg Writing (in the Study Pack) checks grammar, citations, and plagiarism, but does not grade exam essays or free-response items. |
| Math tools | A graphing calculator on the collaborative whiteboard supports live group problem solving. | The Study Pack includes the Mathway-powered math solver for step-by-step solutions. |
| Price | Free, including INK credits for premium AI actions. INK is currently free and just helps us keep AI costs in check. No subscription. | No free plan. Chegg Study is about $14.95/month; the Study Pack (unlimited Q&A, math solver, writing) is about $19.95/month. |
| Best for | Students preparing for the SAT who want free, adaptive, exam-style practice. | STEM students needing worked solutions to specific textbook problems and human help. |
Strengths
StudyInk
- Free to start, no subscription
- SAT practice
- Adaptive AI tutor and essay grading
- Study groups and accountability features
- Graphing calculator for group math
Verdict
Choose Chegg if you regularly need worked solutions to specific textbook problems and don't mind a monthly fee. Choose StudyInk if you're preparing for the SAT and want free, adaptive, exam-style practice with an AI tutor and study groups. If your coursework is textbook-heavy, Chegg's library is hard to beat. If your goal is a test score, StudyInk is the more direct path.
Frequently asked questions
Does Chegg have a free plan?
No. Chegg requires a paid subscription (about $14.95 to $19.95/month) for its textbook solutions and Expert Q&A, though it occasionally runs free trials.
Is StudyInk really free?
Yes. Everything is free, including INK credits for premium AI actions. INK is currently free and just keeps AI costs in check. No subscription, no paywall.
Does Chegg include a math solver?
Yes. The Chegg Study Pack includes a Mathway-powered math solver for step-by-step solutions, alongside Expert Q&A and writing tools.
Which helps more with the SAT?
StudyInk is built specifically for SAT prep with SAT practice and timed drills. Chegg is broader homework help rather than adaptive test preparation.