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 | |
|---|---|---|---|
Price ?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. Subscription pricing keeps repeated retries cheaper than per-review models. | ~Partial?Free tier is available, with paid plans publicly listed around Plus ($20/month) and Pro ($200/month) plus Business/Enterprise tiers. | ~Partial?Public pricing appears in multiple funnels: Plus around $17/mo billed $408/2 years and Pro around $19/mo billed $456/2 years, while premium/support bundles are often cited much higher ($139-$198/month range). Tutoring is separate at $29/hour. |
Price value for regular IB grading ?Lower cost per repeated grading cycle matters more than one-off pricing. | Strong?Free monthly grading entry plus clear recurring tiers is strong value for frequent IB draft loops. | ~Partial?Accessible monthly plans exist, but pricing is not specifically optimized around structured IB grading cycles. | ~Partial?Free entry exists, but recurring value for grading-heavy workflows is less clearly documented. |
Publicly 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. | ?Unclear?Full public pricing matrix is limited on marketing pages. |
IB rubric-first grading workflow ?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?Mentions AI grading, but study stack is the dominant positioning. |
IA / EE / TOK submission 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. | ~Partial?IB-wide messaging exists, but per-workflow grading depth is not fully public. |
Batch submission workflow ?Multiple drafts in one flow saves turnaround time. | 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. |
Built-in oral / IO practice ?Keeps speaking prep and grading in one stack. | Strong?5-20 paid-tier oral/IO runs monthly. | ~Partial?Can simulate speaking practice, but no IB-structured oral workflow out of the box. | ?Unclear?Public pages emphasize exam prep over oral-specific loops. |
Past-paper grading/practice mode ?Supports exam-style practice inside the same product. | Strong?100-400 paid-tier questions monthly. | ~Partial?Possible with manual setup; no dedicated IB past-paper pipeline. | Strong?Exam prep and question practice are core value props. |
Built-in AI-detection checks ?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. | ?Unclear?Detection capability visibility is limited in public product pages. |
Export-ready feedback output ?Easy to keep records and track progression. | Strong?Feedback outputs can be reused and shared for iteration. | ~Partial?Outputs are copy/exportable as chat content, without structured grading reports by default. | ?Unclear?No clear public export workflow documentation. |
Large questionbank / revision content ?Useful, but grading conversion usually matters more for drafts. | ~Partial?Includes past-paper practice, but not a broad standalone revision library. | ×No?No official IB questionbank library bundled by default. | Strong?Publicly positioned around revision questions and exam prep. |
Human review / exemplar-heavy model ?Helpful for examples, but can slow repeated draft loops. | ×No?Focuses on AI-assisted grading workflow over human examiner reviews. | ×No?Not an examiner review marketplace. | ~Partial?Includes exam prep content; human-review model is not the primary public story. |
Teacher analytics and class-level insights ?Important for departments and school rollouts. | ~Partial?Supports workflow consistency, but not marketed as a broad textbook analytics stack. | ×No?No built-in IB class analytics dashboard for coursework. | ~Partial?Teacher-oriented paths exist, but analytics depth is not fully surfaced publicly. |
Free entry path ?Students can start fast without procurement delays. | Strong?5 complete gradings monthly on free access. | Strong?Public free plan exists with paid upgrades for higher limits and models. | Strong?Publicly advertises free start paths. |
Low-friction self-serve onboarding ?Individuals can get value quickly without school setup. | Strong?Students can sign up directly and start without school procurement. | Strong?Individuals can self-serve account creation and usage. | Strong?Students can start from the main landing page flow. |
IB-specific positioning ?Sharper product fit typically means less prompt engineering. | 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. |
Winner pick
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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 regular-use price value (vs partial for ChatGPT and partial for RevisionDojo). Pricing: Marksy -> $0 entry with 5 full gradings/month, then paid student plans from $14.99/month. Subscription pricing keeps repeated retries cheaper than per-review models. ChatGPT -> Free tier is available, with paid plans publicly listed around Plus ($20/month) and Pro ($200/month) plus Business/Enterprise tiers. RevisionDojo -> Public pricing appears in multiple funnels: Plus around $17/mo billed $408/2 years and Pro around $19/mo billed $456/2 years, while premium/support bundles are often cited much higher ($139-$198/month range). Tutoring is separate at $29/hour. Against ChatGPT, Marksy leads 12 rows with key edges in Batch submission workflow and Built-in AI-detection checks. Against RevisionDojo, Marksy leads 9 rows with key edges in Batch submission workflow and Built-in oral / IO practice.
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.