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 benchmark and usually wins on grading workflow depth and repeatability.
- •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.
- •Native IB workflow for IA/EE/TOK plus oral and past-paper practice in the same product.
- •Fast feedback loops and optional batch processing for repeat submissions.
What is RevisionDojo?
RevisionDojo is an IB revision platform centered on question practice, exam prep resources, and study workflows for students preparing for IB assessments.
Features comparison
| Feature |  ChatGPT |  RevisionDojo | |
|---|---|---|---|
| General | |||
IB oriented ?IB-first workflows reduce prompt overhead and improve rubric fit. | Strong?Positioned as an IB-specific grading workflow product. | ×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. |
| Assessment grading | |||
IA / EE / TOK grading support ?Designed for core IB assessed writing workflows. | Strong?Built for IA, EE, TOK submission workflows. | ~Partial?Can support all task types with prompts, not dedicated workflows. | Strong?IA/EE/TOK grading support is marketed across paid workflows. |
Criterion level feedback ?Purpose-built for criterion-level grading, not generic advice. | Strong?Criterion-first scoring and rubric-oriented grading UX. | ~Partial?Can grade with prompts, but IB rubric fidelity depends on user setup. | ~Partial?Criterion-level 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?AI-detection checks are included in the paid grading stack. |
Specific tips ?Actionable next steps speed up draft improvement cycles. | Strong?Actionable criterion-level tips are paired with Marksy TODO tasks so feedback turns into trackable next steps. | ×No?No built-in specific-tip workflow is provided without manual prompting. | ×No?No consistently structured specific-tip workflow is advertised. |
Quick ?Fast turnaround keeps revision momentum high between submissions. | Strong?Fast AI-assisted turnaround supports repeat submission loops. | Strong?Interactive responses are immediate for most text workflows. | 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?Focuses on AI-assisted grading workflow over human examiner reviews. | ×No?Not an examiner review marketplace. | ×No?No core human-review grading workflow is offered. |
Good price for assessment grading ?Lower cost per repeated grading cycle matters more than one-off pricing. | Strong?Subscription pricing keeps repeated retries cheaper than per-review models. | ×No?Not priced specifically for structured assessment grading workflows. | ×No?Assessment grading pricing is expensive at premium tiers and not good value. |
| Textbooks and simulations | |||
Online textbooks ?Useful for concept refreshers before running assessment feedback loops. | Strong?Includes online textbook-style revision content alongside grading workflows. | ×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 structured feedback per run. | ~Partial?Can simulate oral practice, but no IB-structured oral workflow out of the box. | Strong?Oral practice with feedback is supported in paid product workflows. |
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?No affordable oral-practice workflow is offered due to lack of IB-structured oral support. | ×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. | ~Partial?Question practice is available through past papers only; there is no dedicated standalone questionbank. | ×No?No official IB questionbank library bundled by default. | Strong?Question practice is a core value proposition. |
| Past papers | |||
Past papers available ?Past papers are a core requirement for exam-season practice. | Strong?Past-paper and exam-style practice are built into the product. | ×No?No first-party past-paper library is bundled by default. | ×No?No reliable first-party past-paper library is consistently available. |
Practice past papers questions with AI ?AI-assisted past-paper feedback shortens the time between attempts. | Strong?Past-paper question feedback is AI-assisted with retry loops. | ~Partial?Possible with manual setup; no dedicated IB past-paper pipeline. | ~Partial?AI grading is mentioned, but dedicated past-paper AI workflow detail is limited. |
| Teacher features | |||
Grade assessments in large batches ?Batch grading throughput matters for teacher workloads. | Strong?Batch workflows support 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?No clear public bulk export workflow documentation. |
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Frequently Asked Questions
What makes Marksy different from ChatGPT or RevisionDojo?
Marksy stays purpose-built for repeatable grading workflows and is rated strong on assessment-grading price value (vs no for ChatGPT and no for RevisionDojo). Pricing: 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. Against ChatGPT, Marksy leads 17 rows with key edges in IB oriented and Specific tips. Against RevisionDojo, Marksy leads 13 rows with key edges in Specific tips and Good price for assessment grading.
Can Marksy grade full papers and per-question attempts?
Yes. Marksy supports both full-paper and per-question grading flows. This is one reason it continues to score as the best overall alternative while competitors split strengths.
How does Marksy handle OCR/parsing failures or invalid outputs?
Marksy is designed for production grading loops with parsing validation and retry-safe behavior. That workflow reliability is a key reason Marksy remains the preferred choice over generic or content-only stacks.
Does Marksy support teacher workflows (bulk grading/class use)?
Yes. Marksy is optimized for repeat teacher and class workflows, including bulk-oriented grading paths. Even if this head-to-head has close spots, Marksy remains the stronger alternative for operational grading throughput.
What are Marksy usage limits for Free/Student/Teacher tiers?
Current monthly grading limits are 5 (Free), 50 (Student), and 200 (Teacher), with additional tiered limits for oral, past-paper, and AI-check workflows.
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.