What is Clastify?
Clastify is known for IB example work and paid examiner-style reviews of IA, EE, and TOK submissions.
Clastify
Revision VillageClastify vs Revision Village
Source freshness: dated public claims, last updated .
- Clastify review page
- Clastify review pricing bundle (page script)
- Revision Village questionbank
- Revision Village membership
Do you want to know wether Clastify or Revision Village is best for IB? This page provides a through comparison of both tools.
TL;DR
Last updated:
- •TL;DR: In Clastify vs Revision Village, Marksy is included as a third option and usually does best for checking several IB drafts.
- •Clastify and Revision Village 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 Revision Village?
Revision Village focuses on IB question banks, worked solutions, and past-paper-style practice for core subjects.
Features comparison
| Feature |  Clastify |  Revision Village | |
|---|---|---|---|
| General | |||
IB oriented ?IB-specific tools need less setup than a blank chat box. | Strong?Made specifically for grading and improving IB work. | Strong?Strong IB exam/examiner framing in public messaging. | Strong?IB exam prep is the core market positioning. |
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?Base access can start around $12.99/month, with per-submission review pricing (TOK $44.99, IA $49.99, EE $59.99). | ×No?Public Gold snapshots include subject plans at $70 monthly and higher full-suite plans. |
Has free tier ?Students can start immediately without procurement or upfront payment. | Strong?5 complete gradings monthly on free access. | ~Partial?Has free tier but very limited. | ~Partial?Open-study access exists with premium membership upsell. |
Transparent pricing ?Lower uncertainty at evaluation time. | Strong?Public monthly pricing with free, student, and teacher tiers. | Strong?Public review pricing is visible for IA/EE/TOK review offerings. | Strong?Membership and plan framing is publicly visible. |
| Coursework grading | |||
IA / EE / TOK grading support ?Made for IAs, Extended Essays, TOK, and other IB coursework. | Strong?Grades IA, EE, and TOK drafts. | Strong?Public review options include IA, EE, and TOK review tracks. | ×No?Dedicated IA, EE, and TOK grading is not advertised. |
Marks by criterion ?Criterion-by-criterion marks and feedback, not generic advice. | Strong?Shows estimated marks and feedback for each assessment criterion. | Strong?Review service provides predicted scores and criterion-linked improvement guidance. | ×No?Focused on practice content rather than grading student drafts. |
AI detection ?Integrity checks are native, not a separate purchase. | Strong?20-50 paid-tier AI checks monthly. | ×No?No built-in AI-detection check is advertised. | ×No?No public built-in AI-detection feature positioning. |
Specific tips ?A clear list shows students what to fix first. | Strong?Pairs comments with a short list of changes to make next. | ×No?Specific comments come mainly through each paid review. | ×No?No dedicated list of draft-specific fixes is advertised. |
Quick ?Fast feedback leaves time to edit and check another version. | Strong?Fast feedback leaves time to edit and check another version. | ×No?Human examiner review can take longer than instant AI-first loops. | ×No?Speed claims focus on exam practice rather than grading IA, EE, or TOK drafts. |
Human review ?Human review can help edge cases but usually adds time and cost. | ×No?Uses AI feedback rather than a human examiner review. | Strong?Core value prop: real examiner review plus exemplars. | ×No?Not positioned as a human examiner review service. |
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?Per-submission review pricing can become expensive for frequent weekly draft cycles. | ×No?Pricing is built around revision content rather than grading 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 online textbook product is offered. | ×No?No online textbook product is offered. |
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 public simulations library is positioned. | ×No?No public simulation library is a core product pillar. |
Available for free ?Free learning content removes friction for everyday revision. | Strong?Core simulation and revision resources are publicly accessible. | ~Partial?Some resources are accessible with free accounts; detailed reviews are paid. | ~Partial?Some open-study access exists before premium membership upgrades. |
| Oral practice | |||
Practice and get feedback ?Oral practice should include structured scoring feedback. | Strong?Built-in oral practice returns feedback after each attempt. | ×No?Not marketed as an oral/IO practice system. | ×No?Not publicly positioned as an oral-practice feedback product. |
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 oral practice feature is advertised. | ×No?No oral practice feature is advertised. |
| 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 dedicated IB question-practice bank is provided. | Strong?Strong IB questionbank and markscheme/video-solution coverage. |
| 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?Reviews are bought one submission at a time. | ×No?No public bulk submission grading feature is advertised. |
Export grading results in bulk ?Exportable outputs simplify moderation and record-keeping. | Strong?Feedback outputs can be reused and shared for iteration. | ~Partial?Delivers detailed output per submission, but no public bulk export flow. | ×No?No public grading-result export feature is advertised. |
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Frequently Asked Questions
What makes Marksy different from Clastify or Revision Village?
Marksy is made for checking several IB drafts and is rated strong for grading value, compared with no for Clastify and no for Revision Village. Current public prices: Marksy — $0 entry with 5 full gradings/month, then paid student plans from $14.99/month. Clastify — Base access can start around $12.99/month, with per-submission review pricing (TOK $44.99, IA $49.99, EE $59.99). Revision Village — Public Gold snapshots include subject plans at $70 monthly and higher full-suite plans. Marksy leads 13 rows against Clastify, especially Specific tips and Good price for grading drafts, and 15 rows against Revision Village, especially IA / EE / TOK grading support and Marks by criterion.
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 Clastify vs Revision Village at 5-1, while Marksy still leads as the practical grading-first alternative.