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Scribbr alternatives: 5 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rankAll AI writing assistants

Top picks

  • Grammarly logo

    Best overall

    Grammarly

    Starting price: $12 per member/month billed annually ($30 monthly), Pro

  • QuillBot logo

    Best free option

    QuillBot

    Free plan + paid

Common reasons people leave Scribbr: premium plagiarism checks cost more per paper than some subscriptions, and web only, with no desktop or mobile app. We ranked 5 alternatives by how directly each one replaces Scribbr, then by reviews, real visits and how recently each app's facts were checked against its own website. Grammarly currently ranks first.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1Grammarly logoGrammarlyFree plan + paid$12 per member/month billed annually ($30 monthly), ProNoWeb, Windows, macOS +35 of 583.8
2QuillBot logoQuillBotFree plan + paid—NoWeb, Browser extension, iOS +10 of 067.1
3GPTZero logoGPTZeroFree plan + paid—NoWeb, Browser extension5 of 551.2
4Copyleaks logoCopyleaksFree plan + paid—NoWeb, Browser extension4 of 450.3
5Zotero logoZoteroOpen source—NoWindows, macOS, Linux +46 of 650.0
  1. Grammarly logo

    1. GrammarlyTop pick

    Best for: English writers who want corrections and AI help everywhere they type, without changing apps

    Free plan + paidWeb, Windows, macOS, iOS, Android, Browser extension

    83.8

    score / 100

    Why switch from Scribbr

    A subscription that covers grammar, style, plagiarism and AI detection across every app you write in.

    Pros

    • Works across browsers, desktop apps and phone keyboards
    • Free plan is genuinely useful for spelling and grammar
    • Team style guides and brand tones on business plans

    Cons

    • Text is processed in the cloud, which rules it out for some work
    • Best features need Pro, and monthly billing is expensive
    • Mostly English; weak for other languages
    Visit Grammarly Compare with ScribbrDetails and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.15100
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Grammarly a good Scribbr alternative?

    Verified facts

    5 of 5 verified
    Free plan
    Yes, $0 a month with 100 AI prompts
    Checked Nov 8, 2026grammarly.com(opens source in a new tab)
    Starting price
    $12 per member/month billed annually ($30 monthly), Pro
    Checked Nov 8, 2026grammarly.com(opens source in a new tab)
    Free AI prompts
    100 per month
    Checked Nov 8, 2026grammarly.com(opens source in a new tab)
    Users
    Over 40 million people
    Checked Nov 8, 2026grammarly.com(opens source in a new tab)
    Free trial
    Yes, on Pro
    Checked Nov 8, 2026grammarly.com(opens source in a new tab)
  2. QuillBot logo

    2. QuillBot

    Best for: Students and non-native writers who mainly want to rephrase and summarise text

    Free plan + paidWeb, Browser extension, iOS, Android

    67.1

    score / 100

    Why switch from Scribbr

    Cheaper all-in-one subscription with paraphrasing, grammar, citations and a plagiarism checker.

    Pros

    • Many paraphrasing modes with adjustable strength
    • Summariser, citations and grammar checks in one place
    • Usable free tier for occasional rewording

    Cons

    • Free plan limits text length and modes
    • Heavy paraphrasing can make writing sound generic
    • Grammar checking is less thorough than dedicated checkers
    Visit QuillBot Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.15100
    Freshness ×0.1515
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is QuillBot a good Scribbr alternative?

    Verified facts

    0 of 0 verified

    No sourced facts yet.

  3. GPTZero logo

    3. GPTZero

    Best for: Teachers and schools that want an AI check built into Google Docs, Classroom and Canvas

    Free plan + paidWeb, Browser extension

    51.2

    score / 100

    Why switch from Scribbr

    A free-to-start AI detector if your main worry is being flagged for AI writing.

    Pros

    • Short texts can be checked without signing up
    • Writing Replay shows how a document was actually typed
    • Integrations with Google Docs, Classroom, Canvas and Zapier
    • Full support for five major European languages

    Cons

    • Detection scores are estimates and can mislabel human writing
    • Longer scans and extra tools sit behind an account or paid plan
    • Plan prices on the pricing page only load with JavaScript
    Visit GPTZero Details and reviews
    How this score is calculated
    Editorial fit ×0.341
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is GPTZero a good Scribbr alternative?

    Verified facts

    5 of 5 verified
    Founded
    January 2023
    Checked Nov 8, 2026gptzero.me(opens source in a new tab)
    Languages
    English, German, Portuguese, French, Spanish
    Checked Nov 8, 2026gptzero.me(opens source in a new tab)
    Free scans
    No account needed under 10,000 characters
    Checked Nov 8, 2026gptzero.me(opens source in a new tab)
    Browser extension
    Chrome
    Checked Nov 8, 2026gptzero.me(opens source in a new tab)
    API
    Yes
    Checked Nov 8, 2026gptzero.me(opens source in a new tab)
  4. Copyleaks logo

    4. Copyleaks

    Best for: Schools, publishers and developers who need AI detection and plagiarism checks in one service or API

    Free plan + paidWeb, Browser extension

    50.3

    score / 100

    Why switch from Scribbr

    Plagiarism and AI detection with credit-based plans, better value if you check many documents.

    Pros

    • Combines plagiarism and AI detection in a single scan
    • Covers source code, images and video, not just prose
    • Well-documented API with SDKs for six languages
    • Can compare against private document databases

    Cons

    • Credit-based pricing can add up for long documents
    • Like all AI detectors, results are probabilistic and can misfire
    • Main website blocks automated access, so checks happen through the app or API
    Visit Copyleaks Details and reviews
    How this score is calculated
    Editorial fit ×0.346
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Copyleaks a good Scribbr alternative?

    Verified facts

    4 of 4 verified
    API SDKs
    Python, JavaScript, Java, C#, PHP, Ruby
    Checked Nov 8, 2026docs.copyleaks.com(opens source in a new tab)
    AI image detection
    Yes
    Checked Nov 8, 2026docs.copyleaks.com(opens source in a new tab)
    Code plagiarism
    Yes
    Checked Nov 8, 2026docs.copyleaks.com(opens source in a new tab)
    Citation checker
    Yes
    Checked Nov 8, 2026docs.copyleaks.com(opens source in a new tab)
  5. Zotero logo

    5. Zotero

    Best for: Students and academics who want a free, open-source library that works with any word processor

    Open sourceWindows, macOS, Linux, iOS, Android, Web, Browser extension

    50.0

    score / 100

    Why switch from Scribbr

    A free reference manager that handles citations across a whole thesis, not one at a time.

    Pros

    • Free and open source, run by a nonprofit
    • Citation plugins for Word, LibreOffice and Google Docs
    • Apps for Windows, macOS, Linux, iOS and Android
    • Unlimited group libraries at no cost

    Cons

    • Only 300 MB of free file storage before paying for more
    • Interface feels utilitarian next to newer commercial tools
    • Fewer built-in AI or discovery features than Mendeley or EndNote
    Visit Zotero Details and reviews
    How this score is calculated
    Editorial fit ×0.338
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Zotero a good Scribbr alternative?

    Verified facts

    6 of 6 verified
    Price
    Free
    Checked Oct 29, 2026github.com(opens source in a new tab)
    License
    AGPL-3.0
    Checked Nov 8, 2026zotero.org(opens source in a new tab)
    Free storage
    300 MB
    Checked Nov 8, 2026zotero.org(opens source in a new tab)
    Paid storage
    $20/year for 2 GB
    Checked Nov 8, 2026zotero.org(opens source in a new tab)
    Platforms
    Mac, Windows, Linux, iOS, Android
    Checked Nov 8, 2026zotero.org(opens source in a new tab)
    Citation styles
    9,000+
    Checked Nov 8, 2026zotero.org(opens source in a new tab)

The best Scribbr alternative for…

The highest-ranked app in this list for each need.

Grammarly logo

Best Scribbr alternative for most people

Grammarly

A subscription that covers grammar, style, plagiarism and AI detection across every app you write in.

Zotero logo

Best Scribbr alternative for a free option

Zotero

A free reference manager that handles citations across a whole thesis, not one at a time.

QuillBot logo

Best Scribbr alternative for a free plan you can upgrade

QuillBot

Cheaper all-in-one subscription with paraphrasing, grammar, citations and a plagiarism checker.

Grammarly logo

Best Scribbr alternative for Mac

Grammarly

A subscription that covers grammar, style, plagiarism and AI detection across every app you write in.

Grammarly logo

Best Scribbr alternative for Windows

Grammarly

A subscription that covers grammar, style, plagiarism and AI detection across every app you write in.

Zotero logo

Best Scribbr alternative for Linux

Zotero

A free reference manager that handles citations across a whole thesis, not one at a time.

Grammarly logo

Best Scribbr alternative for iPhone and Android

Grammarly

A subscription that covers grammar, style, plagiarism and AI detection across every app you write in.

GPTZero logo

Best Scribbr alternative for working in the browser

GPTZero

A free-to-start AI detector if your main worry is being flagged for AI writing.

Scribbr alternatives: common questions

What is the best alternative to Scribbr?

Grammarly ranks first right now. A subscription that covers grammar, style, plagiarism and AI detection across every app you write in. QuillBot and GPTZero follow it in our ranking.

Scribbr vs Grammarly: what's the difference?

Both Scribbr and Grammarly are free with paid plans. Verified prices: Scribbr $19.95 per document (up to 7,499 words), Grammarly $12 per member/month billed annually ($30 monthly), Pro. Only Grammarly runs on Windows, macOS, iOS, Android and Browser extension.

Is Scribbr free?

Scribbr is free with paid plans. Premium check price: $19.95 per document (up to 7,499 words); Billing: Per check, no subscription. Checked on Scribbr's own site, November 2026.

Is there a free alternative to Scribbr?

Yes. Grammarly (free plan + paid), QuillBot (free plan + paid), GPTZero (free plan + paid) and Copyleaks (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Scribbr?

None of the 5 alternatives in this list is open source.

Which Scribbr alternatives work on Linux?

Zotero runs on Linux.

Why do people switch from Scribbr?

The complaints we hear most: premium plagiarism checks cost more per paper than some subscriptions; web only, with no desktop or mobile app; focused on academic writing; little help for business copy.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Scribbr, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.