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    Language engine

    AI Detector

    Flags passages in YOUR OWN draft that read as machine written, so you can rewrite them in your voice before you hand in 

    This one needs a free account

    AI Detector runs on Backrow's AI rather than a fixed formula, so it needs an account to run. Signing up is free and takes a few seconds — no card.

    Or use a tool that needs no account →

    No card needed · Free tier · 13 runs on your free starting credits

    What is AI Detector?

    AI Detector is an AI-powered language and writing tool that helps you get the answer faster than doing it by hand. Built into Backrow's Language engine, it's designed for anyone writing essays or reports, learning a language, or studying linguistics who want a faster way to finish their work in less time.

    Common uses

    • Last-minute language and writing homework
    • Checking your work before turning it in

    How to use AI Detector

    1. 1

      Open AI Detector

      Go to backrow.ai/free/ai-detector — free to try with the credits a new account starts with.

    2. 2

      Paste your input

      Drop in your content. Paste your draft to review...

    3. 3

      Get your result instantly

      Backrow processes the input and returns the worked output — usually in under 5 seconds.

    4. 4

      Copy, save, or refine

      Copy the result to your clipboard, save it to your Backrow workspace for later, or tweak the input and re-run.

    AI Detector vs other tools

    vs Grammarly

    Backrow's writing tools target academic work specifically — citations, essay structure, voice-matched drafts — not just grammar.

    vs DeepL

    Backrow translates with academic context (preserves citations, technical terms, formal register) and explains tricky idioms instead of translating them literally.

    vs Google Translate

    Backrow translates with academic context (preserves citations, technical terms, formal register) and explains tricky idioms instead of translating them literally.

    Frequently asked questions

    Do I need an account to use AI Detector?+

    Yes — AI Detector calls an AI model, so it needs a free account. Signing up takes a minute, needs no card, and starts you with 200 credits. 14 of Backrow's calculators do run with no account at all; they are listed at backrow.ai/free.

    Is AI Detector actually free?+

    AI Detector costs 15 credits per use. New accounts start with 200 credits from the welcome gift, so you can use it about 13× before you need a plan.

    How is this different from Grammarly?+

    Grammarly is a great single-purpose tool. Backrow's AI Detector is one of 120+ tools in a single platform — alongside lecture recording, AI notes, flashcards, quizzes, and study guides. You stop juggling five subscriptions and switching tabs.

    Will my professor catch me using this?+

    AI Detector is a study aid, not a cheating tool. Use it the same way you'd use a calculator, dictionary, or office hours: to understand the work, not to dodge it. For assignments where AI is explicitly banned, don't use it. For everything else (problem sets, exam prep, learning a topic faster), it's fair game.

    Do I need to download anything?+

    No. AI Detector runs in your browser. Works on Mac, Windows, Linux, iOS, and Android. There's also a mobile-installable version (PWA) at backrow.ai if you want it on your home screen.

    What other language and writing tools does Backrow have?+

    Backrow's Language engine includes everything from problem solvers to review tools. See the full Language catalog at backrow.ai/free or browse all 120 tools at backrow.ai/free.

    Can I use AI Detector on my phone?+

    Yes — AI Detector works in any modern mobile browser (Safari on iOS, Chrome on Android). The interface is touch-optimized for small screens.

    Free: the AI Study Toolkit

    4 printable templates: a spaced repetition schedule, a lecture to flashcards workflow, a 7 day finals plan, and a one page cram sheet.

    Ready to try AI Detector?

    Free to start. No card required. Plus 119 other study tools in the same account.

    Page last reviewed: 2026-10-16 · Maintained by the Backrow team. Have feedback? support@backrow.ai

    Further reading

    Backrow's flashcards and quizzes are built on decades of cognitive-science research. Explore the primary sources: