What is ChatGPT?
ChatGPT is a general-purpose AI assistant used for writing and study support across many domains, including IB tasks when configured with user prompts.
ChatGPT
RevisionDojoChatGPT vs RevisionDojo
Source freshness: dated public claims, last updated .
- ChatGPT pricing page
- OpenAI ChatGPT Study Mode update
- RevisionDojo homepage
- RevisionDojo pricing (Free vs Plus vs Pro)
- RevisionDojo tutoring page
Do you want to know wether ChatGPT or RevisionDojo is best for IB? This page provides a through comparison of both tools.
TL;DR
Last updated:
- •TL;DR: In ChatGPT vs RevisionDojo, Marksy is included as a third option and usually does best for checking several IB drafts.
- •ChatGPT and RevisionDojo each have strengths, but Marksy is generally the best alternative if your priority is getting IB-ready grading output fast.
- •Free plan with 5 full gradings/month, then clear paid tiers at 50/200 gradings.
- •Grade IA, EE, and TOK drafts, practise orals, and check sources from the same account.
- •Fast feedback and optional batch uploads make it easier to check more than one draft.
What is RevisionDojo?
RevisionDojo offers IB question practice, exam preparation, study resources, and coursework tools.
Features comparison
| Feature |  ChatGPT |  RevisionDojo | |
|---|---|---|---|
| General | |||
IB oriented ?IB-specific tools need less setup than a blank chat box. | Strong?Made specifically for grading and improving IB work. | ×No?General assistant, not IB-specific by default. | Strong?Strong IB-first positioning across the homepage. |
Affordable ?Shows what users actually pay, including per-review and billed-total caveats. | Strong?$0 entry with 5 full gradings/month, then paid student plans from $14.99/month. | ~Partial?Free tier is available, with paid plans publicly listed around Plus ($20/month) and Pro ($200/month). | ×No?Public premium pricing is high at about $198/month for full access, so it is not affordable for most students. |
Has free tier ?Students can start immediately without procurement or upfront payment. | Strong?5 complete gradings monthly on free access. | Strong?Public free plan exists with paid upgrades for higher limits and models. | ×No?Has free tier but very limited. |
Transparent pricing ?Lower uncertainty at evaluation time. | Strong?Public monthly pricing with free, student, and teacher tiers. | Strong?Public plan structure (Free/Plus/Pro/Business/Enterprise) is listed. | ×No?Prices fluctuate a lot, and is in constant discount despite being advertised as time limited. |
| Coursework grading | |||
IA / EE / TOK grading support ?Made for IAs, Extended Essays, TOK, and other IB coursework. | Strong?Grades IA, EE, and TOK drafts. | ~Partial?Can discuss many task types, but each one needs the right prompt. | Strong?Paid plans advertise IA, EE, and TOK grading. |
Marks by criterion ?Criterion-by-criterion marks and feedback, not generic advice. | Strong?Shows estimated marks and feedback for each assessment criterion. | ~Partial?Can grade with prompts, but IB rubric fidelity depends on user setup. | ~Partial?Structured feedback is available but limited to paid tiers. |
AI detection ?Integrity checks are native, not a separate purchase. | Strong?20-50 paid-tier AI checks monthly. | ×No?No first-party academic AI-detection checker in ChatGPT product flows. | Strong?Paid grading plans include AI-detection checks. |
Specific tips ?A clear list shows students what to fix first. | Strong?Pairs comments with a short list of changes to make next. | ×No?Students must prompt it to return a useful list of specific fixes. | ×No?The public site does not clearly show a consistent list of specific fixes. |
Quick ?Fast feedback leaves time to edit and check another version. | Strong?Fast feedback leaves time to edit and check another version. | Strong?Most text responses appear immediately. | Strong?Core paid flows are positioned around fast turnaround for iterative student feedback. |
Human review ?Human review can help edge cases but usually adds time and cost. | ×No?Uses AI feedback rather than a human examiner review. | ×No?Not an examiner review marketplace. | ×No?A human grading review is not a main advertised feature. |
Good price for grading drafts ?The cost of checking several drafts matters more than one review. | Strong?Subscription pricing keeps repeated retries cheaper than per-review models. | ×No?The subscription is not priced specifically for grading coursework. | ×No?Premium plans are expensive if you mainly want to grade drafts. |
| Textbooks and simulations | |||
Online textbooks ?Useful for understanding a topic before working on coursework. | Strong?Includes online textbook chapters as well as draft grading. | ×No?No official IB textbook or revision library bundled by default. | Strong?Supports online subject notes and revision resources. |
Hundreds of simulations to learn concepts ?Interactive simulation depth improves understanding before drafting. | Strong?Public simulations hub includes hundreds of IB learning simulations. | ×No?No built-in simulation library for IB concept learning. | ×No?No public simulation library positioned as a core feature. |
Available for free ?Free learning content removes friction for everyday revision. | Strong?Core simulation and revision resources are publicly accessible. | ×No?Study support is chat-based, not free textbook content delivery. | ~Partial?Free content exists, but textbook access is limited. |
| Oral practice | |||
Practice and get feedback ?Oral practice should include structured scoring feedback. | Strong?Built-in oral practice returns feedback after each attempt. | ~Partial?Can simulate an oral, but the student must set up the IB format in the prompt. | Strong?Paid plans include oral practice with feedback. |
Affordable oral practice ?Predictable oral-practice costs matter when students rehearse frequently. | Strong?Oral practice is included in plan limits, not charged per attempt. | ×No?Oral practice is possible, but no ready-made IB oral setup is included. | ×No?Oral-practice pricing is not affordable given limited structured support. |
| Questionbank | |||
Practice IB questions ?Question practice is valuable when linked to criterion-aware feedback. | ×No?No first-party questionbank is publicly offered by Marksy. | ×No?No official IB questionbank library bundled by default. | Strong?Question practice is a core value proposition. |
| Teacher features | |||
Grade assessments in large batches ?Batch grading throughput matters for teacher workloads. | Strong?Bulk grading supports up to 15 submissions at once. | ×No?Public product is not a batch grading pipeline. | ?Unclear?Bulk submission specifics are not clearly documented on public pages. |
Export grading results in bulk ?Exportable outputs simplify moderation and record-keeping. | Strong?Feedback outputs can be reused and shared for iteration. | ×No?No structured bulk export of grading results by default. | ?Unclear?The public site does not clearly explain bulk result exports. |
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Frequently Asked Questions
What makes Marksy different from ChatGPT or RevisionDojo?
Marksy is made for checking several IB drafts and is rated strong for grading value, compared with no for ChatGPT and no for RevisionDojo. Current public prices: Marksy — $0 entry with 5 full gradings/month, then paid student plans from $14.99/month. ChatGPT — Free tier is available, with paid plans publicly listed around Plus ($20/month) and Pro ($200/month). RevisionDojo — Public premium pricing is high at about $198/month for full access, so it is not affordable for most students. Marksy leads 14 rows against ChatGPT, especially IB oriented and Specific tips, and 11 rows against RevisionDojo, especially Specific tips and Good price for grading drafts.
Can Marksy grade full coursework drafts?
Yes. Marksy accepts full coursework submissions for supported assignments and returns a predicted mark, comments, highlights, and a list of fixes.
What happens if Marksy cannot read my file?
Marksy checks whether the file and grading result can be read. If a check fails, it can retry safely instead of showing a broken report.
Can teachers grade several files at once?
Yes. The highest plan can grade up to 15 files in one batch and export the results.
What are Marksy usage limits for Free/Student/Teacher tiers?
Current monthly grading limits are 5 on Free, 50 on Student, and 200 on Student Plus. Oral practice and AI checks have their own monthly limits.
Is student data private and can users delete data?
Marksy uses account-scoped access controls and user data-management paths. From a product-fit perspective, this page's matrix also shows ChatGPT vs RevisionDojo at 3-7, while Marksy still leads as the practical grading-first alternative.