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Updated 2 Oct 2026

What's new

Everything that recently changed on cswithzak.com and in the ZAPP app for Android and iOS — what you can now do, and where to find it. New to the site? The Help Centre walks you through every screen.

  1. New

    Discussion Corners — ask the corner, @AskZ joins in

    Ask and answer Computer Science with students taking the same papers, in a Q&A board and a live chat. Type @AskZ in any thread and ZAK's AI tutor answers for everyone.

    • O Level / IGCSE, AS, A2, Code Clinic and Exam Room corners
    • Accepted answers, teacher endorsements, polls
    • Run any code block in the labs
    • Private class corners for teachers

    Website ZAPP Android + iOS

    Open the corners
    New

    Help Centre — help for the page you're on

    Press ? on any page (or the ? button in the menu bar) and the Help panel opens on the steps for that exact screen. Every guide names the buttons as you see them.

    • 38 step-by-step guides
    • FAQs and keyboard shortcuts
    • A skippable one-minute tour of the site
    • Still stuck? AskZ, WhatsApp or email

    Website only for now

    Open the Help Centre
    New

    AskZ reads your photos, PDFs and files

    Snap a question or attach a past paper, your notes or slides — AskZ reads it, works out which question you mean ("and part (b)?" works too) and answers with the real mark scheme beside it.

    • Photos, PDFs, Word, PowerPoint, Excel and more
    • Speak your question, hear the answer read aloud
    • Up to three files a message
    • Documents (and uploads in ZAPP) need a free account

    Website ZAPP Android + iOS

    Ask Z with a photo
    Improved

    The real past paper, marked end to end

    Answer on the paper exactly as Cambridge printed it, then press Mark: written answers are marked by AskZ against the scheme, and binary additions, circuits, K-maps, tables and ticks by the site's own marking engines.

    • Binary additions marked column by column on the website
    • Code answers run in the real lab, then go on the paper
    • Smooth Apple Pencil writing on iPad — the Pencil only writes
    • Your work syncs when you sign in

    Website ZAPP Android + iOS

    Try a past-paper question
    New

    Jump straight to any past-paper question

    Pick a year, a session and a paper and go straight to the question you want — then walk that paper with Previous and Next. The link remembers where you are.

    • Year → session → paper → question
    • Works in Practice and Browse
    • Twin 2210 / 0478 sittings included

    Website ZAPP Android + iOS

    Find a question
    New

    AskZ's own questions, answered like a real paper

    Questions AskZ writes — in the assignments and in teachers' papers — are now typeset like a printed paper: fill in the table cells, code gaps and tick boxes, and AskZ marks each part.

    • Per-part marks you can override
    • XP for every question
    • Download your answered paper as a PDF

    Website ZAPP Android + iOS

    Open an assignment
    Improved

    Every paper keeps its own answers

    A question you solved in topical practice now starts blank in a timed sitting or a teacher's paper, and new papers draw the questions you haven't answered yet first.

    • Unseen questions first
    • Clear answers starts a question over
    • Downloads now work on iPhone and iPad

    Website only for now

    Start a timed sitting
    For teachers

    Paper Builder, now for teachers

    Teachers request access with a school email and ZAK approves each one. Build anything from a class test to a mock from real past papers and AskZ-written questions, then share one link your class sits.

    • Change the paper: say why, swap only the questions you pick
    • Your class link gets the changed paper
    • PDF on ZAK's letterhead
    • Students can still sit a teacher's class link

    Website ZAPP Android + iOS

    Request teacher access

  2. New

    Timed sittings, bookmarks and your answered paper

    Sit a timed paper on any topic from real past-paper questions and get your results by topic, command word and assessment objective. Bookmark the questions you want to come back to.

    • Exact marks, real questions
    • Results by topic, command word and AO
    • Your answered paper as a PDF

    Website only for now

    Sit a paper

  3. New

    Full A Level: AS and A2 together

    Taking all four 9618 papers in one series? Choose Full A Level and every tool, quiz, paper and AskZ answer covers AS and A2 at once.

    • One level picker, everywhere
    • Paper Builder and planner with Papers 1–4
    • XP stays in one pool

    Website ZAPP Android + iOS

    See Full A Level
    New

    The 2029–2031 O Level / IGCSE syllabus, mapped

    What changes in the next O Level and IGCSE Computer Science syllabus — Python-only programming, 11 topics — every change mapped to today's topics, with the new 0265 digital exams.

    • Topic-by-topic change map
    • New and removed command words
    • Official PDFs and specimen papers

    Website ZAPP Android + iOS

    Read the guide

  4. New

    13 CS games

    Quiz battles, a daily CS word, assembly golf, gate puzzles, an SQL whodunnit and more — solo against AskZ bots, with friends, or with the whole class from one code.

    • Verified leaderboards
    • Classroom rooms
    • XP into your progress

    Website ZAPP Android + iOS

    Play
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