Shortlist by what you need
Start here if you know why you are leaving ES.AI.
Want the closest match?
Caktus AIMost similar to ES.AI in what it does, its category and its price.
Visit (opens Caktus AI in a new tab)Need a free plan?
Course HeroHas a free plan, rated 4.0 out of 5.
Visit (opens Course Hero in a new tab)Want to pay less than ES.AI?
EduWriter.aiFrom $7/mo, against from $79/mo for ES.AI.
Visit (opens EduWriter.ai in a new tab)Want the best rated?
EssayGraderRated 3.6 out of 5 in our review, against 3.8 for ES.AI.
Visit (opens EssayGrader in a new tab)
At a glance
Green means better than ES.AI, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
| 3.8 | $79/mo | Yes | College application toolkit for essays, strengths discovery and internship search | ||
| 3.7−0.1 | $19.99/mo$59.01 less | No | A subscription study platform that pairs an essay writer with citations against a math solver, code generator, and AI humanizer for students. | vs ES.AI | |
| 3.0−0.8 | $8/mo$71 less | Yes | Guided paper creation with verified MLA/APA citations and a built-in plagiarism checker - not a remover - for students and academics writing structured essays. | vs ES.AI | |
| 3.5−0.3 | $12.99/mo$66.01 less | Yes | Generates lesson plans and quizzes for any grade level from Pre-K to graduate school, with auto-generated answer keys, on a free tier of 3 lesson plans a month. | vs ES.AI | |
| 3.6−0.2 | $19.99/mo$59.01 less | Yes | 94% of the time, EssayGrader's scores land within 1 point of a teacher's own - bulk-grade essays, catch AI-generated writing and plagiarism, synced to your LMS. | vs ES.AI | |
| 3.2−0.6 | Free | Yes | Chat with AI tutors for instant homework answers across Math, Science, History, Coding, and more - plus AI paraphrasing and step-by-step essay guidance. | vs ES.AI | |
| 4.0+0.2 | $9/mo$70 less | Yes | A study-document marketplace since 2006, now with AI tutoring added | vs ES.AI | |
| 2.5−1.3 | $7/mo$72 less | Yes | Writes a formatted research paper in under 20 seconds, with a disclaimer attached. | vs ES.AI | |
| 3.0−0.8 | Not listed | No | Scores a UCAS personal statement out of 100 and rewrites your sentences for you. | vs ES.AI |
The alternatives in detail
In order of how closely each one matches ES.AI.

Caktus AI
3.7$19.99/mo
vs ES.AI$59.01 less−0.1
A subscription study platform that pairs an essay writer with citations against a math solver, code generator, and AI humanizer for students.
- Essay writer that generates outlines with citations from source links
- Step-by-step math solver, not only final answers
- Code generator across multiple programming languages
Bundles 25+ study tools under one subscription instead of separate point tools
No lasting free tier, only a single free essay before the paywall

Samwell AI
3.0$8/mo
vs ES.AI$71 less−0.8
Guided paper creation with verified MLA/APA citations and a built-in plagiarism checker - not a remover - for students and academics writing structured essays.
- Guided paper creation with a structured essay outline builder
- Verified citation formatting across MLA, APA, and other styles
- Built-in plagiarism checker (not a remover)
Plagiarism checker (not a remover) is a genuinely more integrity-conscious design than similar tools
Free plan is limited to roughly 1,000 words

QuizWizardGPT
3.5$12.99/mo
vs ES.AI$66.01 less−0.3
Generates lesson plans and quizzes for any grade level from Pre-K to graduate school, with auto-generated answer keys, on a free tier of 3 lesson plans a month.
- Lesson plan generation for Pre-K through graduate level
- Quiz generation across word problems, short-answer, multiple-choice and essay formats
- Auto-generated answer keys
Real free plan rather than a time-limited trial
Free tier caps at 3 lesson plans a month, which is thin for regular classroom use

EssayGrader
3.6$19.99/mo
vs ES.AI$59.01 less−0.2
94% of the time, EssayGrader's scores land within 1 point of a teacher's own - bulk-grade essays, catch AI-generated writing and plagiarism, synced to your LMS.
- AI grading benchmarked within 1 point of teacher scores 94% of the time
- Built-in AI writing detection with sentence-level highlights
- Plagiarism checking against web sources and other student work
Benchmarked accuracy claim (94% within 1 point of teacher scores), not just a marketing claim
Free tier capped at 100 essays total, not a renewing monthly allowance

Tutorly
3.2Free
vs ES.AI−0.6
Chat with AI tutors for instant homework answers across Math, Science, History, Coding, and more - plus AI paraphrasing and step-by-step essay guidance.
- Real-time AI tutor chat across multiple academic subjects
- Personalized, detailed answers to specific homework questions
- AI paraphrasing for essays and reports
Covers a genuinely wide subject range (Math, Science, History, Coding, Biology, English)
Free/basic plans cap daily questions - heavy users will hit limits quickly

Course Hero
4.0$9/mo
vs ES.AI$70 less+0.2
A study-document marketplace since 2006, now with AI tutoring added.
- Large library of course-specific study documents and notes
- AI-powered tutoring and step-by-step explanations
- Content shared and uploaded by students across many schools
Extensive library of real, course-specific study materials
Full document access requires a paid subscription

EduWriter.ai
2.5$7/mo
vs ES.AI$72 less−1.3
Writes a formatted research paper in under 20 seconds, with a disclaimer attached.
- Full academic papers generated in under 20 seconds
- APA citations and reference lists
- Four model tiers
Correctly formatted reference lists are a fast way to learn citation style
Produces complete submittable coursework and markets it to students

Statementory
3.0Not listed
vs ES.AI−0.8
Scores a UCAS personal statement out of 100 and rewrites your sentences for you.
- Competitiveness score out of 100
- Section-by-section analysis and differentiation feedback
- Original-to-improved sentence rewrites
Gives unsupported applicants structured feedback they otherwise cannot get
Sentence rewriting sits against UCAS similarity and authorship checking
FAQ
Questions people ask
Is ES.AI free?
ES.AI has a free plan, and paid plans start from $79/mo.
What is the best free alternative to ES.AI?
Course Hero is the highest-rated alternative here with a free plan (4.0 out of 5). Other free options: EssayGrader, QuizWizardGPT, Tutorly.
What is the cheapest alternative to ES.AI?
Among paid plans, EduWriter.ai has the lowest starting price (from $7/mo). If you need it free, start with Course Hero.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.
