Comparison

Calculus AI vs Moshui

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Calculus AI

Features
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Calculus AI - Math Solver turns any calculus problem into a step-by-step solution. Snap a photo of your homework, type a question, or paste an equation - the AI solves it in seconds and shows every step, so you learn the method instead of copying an answer. SOLVE ANY CALCULUS PROBLEM - Limits, continuity, derivatives, integrals, differential equations and their applications - Photo, gallery, typed text, or multi-page crop - works with handwritten homework and textbook pages - Every solution includes the method, the working steps, the final answer, key concepts and an answer check - Charts rendered automatically for every applicable solution LEARN, DON'T JUST COPY - AI Tutor - a Socratic tutor that guides you to the answer instead of blurting it out - Flashcards - AI-generated study cards with mastery tracking - Quiz - generate practice tests by topic and difficulty, with an explanation for every answer - Cheat Sheet - AI-generated formula reference for each topic - Searchable solution history, favourites, and PDF export for revision BUILT FOR STUDENTS - 32 languages - study calculus in your own language - Dark and light themes - Export to PDF or share with your study group START SOLVING - No account, no ads. Three full solutions are included, then Calculus AI Pro unlocks unlimited solutions, the AI Tutor, Flashcards, Quiz and Cheat Sheets. Privacy: your photos and questions are sent to Google Gemini (Firebase AI Logic) to generate solutions. See our Privacy Policy for details. Calculus AI Pro is an auto-renewable subscription. Payment is charged to your Apple ID at confirmation of purchase. It renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/calcai-privacy/home

About

Moshui

Features
Read full description

An essay marker for HKDSE Chinese Paper 2 and English Paper 2. Snap or paste your essay and get a score, comments and revision advice. Processing time depends on essay length and your connection. BIG PICTURE FIRST • Overall: total score, a one-line verdict, key strengths and the most important thing to improve • Domain scores: Content, Language and Organisation for English; content, expression, structure, punctuation and typos for Chinese • Paragraph by paragraph: what each paragraph does, what works, what to fix, plus a model rewrite • Full text: good sentences, sentences to improve and typos marked in place • Phrase bank: useful phrases and sentences drawn from your essay PAPERS COVERED • English Paper 2: Part A and Part B • Chinese Paper 2: practical writing and composition SNAP TO MARK The document scanner crops automatically and can capture several handwritten pages; you can edit the recognised text before submitting. HOW IT MARKS The reference marking framework combines data and teaching materials. Scores are for writing practice. TRIAL AND FULL VERSION Try 3 reports first. The full version lasts 90 days with up to 10 essays a day. It is a one-off purchase and does not renew automatically. REVISION WITHOUT LOSING YOUR PLACE Jump between report sections with two-level navigation. Open a marked sentence in the editor, keep your revision checkpoint, and compare drafts paragraph by paragraph. IMPORTANT This is an independent study tool, not an official product of the Hong Kong Examinations and Assessment Authority. Scores are for reference only. Privacy Policy: https://www.10minquiz.com/en/privacy-policy Terms of Use: https://www.10minquiz.com/en/terms-of-use

Screenshots

Calculus AI4 screens
Moshui4 screens

Verdict

The call

The clearest difference is update cadence: Moshui at every 2 days against Calculus AI's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Calculus AI sells 2 in-app purchases, starting at $4.99 per 7 days and Moshui sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Calculus AI ships an update every 4 weeks, Moshui every 2 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Calculus AI versus Moshui: the parameters behind the verdict, then further details
ParameterCalculus AIMoshui
PriceFreeFree
Update frequencyEvery 4 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size61 MB45 MB
Age rating4+4+
DeveloperTat Wah ChanPickmy AI

In-app purchases

2 purchases

Calculus AI

Subscriptions2
  • Calculus AI - Smart Solver Weekly3 Days trial$4.997 Days
  • Calculus AI - Smart Solver Yearly3 Days trial$29.991 Year
2 purchases

Moshui

One-time2
  • Full Version 90-Day Pass$19.99
  • 90-day Pro Offer$19.99

Questions

Is Calculus AI free?
Calculus AI is free to download, with in-app purchases available.
Is Moshui free?
Moshui is free to download, with in-app purchases available.
Do Calculus AI or Moshui have ads?
Neither Calculus AI nor Moshui shows ads.
Which is updated more often, Calculus AI or Moshui?
Calculus AI ships an update every 4 weeks, and Moshui every 2 days. Most recently, Calculus AI was updated on October 29, 2026 and Moshui on October 24, 2026.

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