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Corrector.app

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What Corrector.app is

Corrector.app is a free writing checker that identifies spelling, grammar, and punctuation errors and suggests corrections. It can also recommend alternative words that may better suit a sentence and its intended message. The maker says the checker supports more than 27 languages, and the site includes a free AI content detector for identifying AI-generated text. The checker displays a 15,000-character input limit and does not require account registration. It is available on the web, and browser extensions are linked for Chrome, Firefox, and Edge. Although the download page links to iOS and Android apps, the checker page says it can also be used in a mobile browser; the listed product details state there is no mobile app. The maker presents the tool as a writing aid for students and professionals. Its privacy policy says it collects usage data and uses cookies and similar tracking technologies, and cannot guarantee absolute security for data transmitted or stored electronically.

Who it suits

Corrector.app suits students and professionals looking for spelling, grammar, and punctuation checks, as well as word suggestions. It may also suit writers who want a browser-based checker without registering an account.

What it does well

  • Checks spelling, grammar, and punctuation.
  • Supports more than 27 languages, according to the maker.
  • Suggests alternative words for sentence context.
  • No account registration is required.
  • Includes a free AI content detector.

What to know first

  • The checker displays a 15,000-character input limit.
  • The product details state there is no mobile app.
  • The privacy policy says absolute data security cannot be guaranteed.

Limits

The Free plan displays a 15,000-character input limit for the checker.

Plans

PlanBilled and limitsPrice
FreeFree access; advertising funds operation · No registration · instant checks · ads displayedFree

As corrector.app lists them, read 21 Oct 2026. The maker's own page has the final word.

Getting started

  1. Visit https://corrector.app/.
  2. Paste text into the checker, keeping within its displayed 15,000-character input limit.
  3. Review the spelling, grammar, punctuation, word, or style suggestions.
  4. Use the Chrome, Firefox, or Edge extension if preferred.
  5. The download page also links to iOS and Android apps, and the checker can be used through a mobile browser.

Corrector.app is a browser-based spelling, grammar and punctuation checker that also suggests alternative words and offers a free AI content detector. It suits students and professionals who want a no-account writing check; its 15,000-character input limit makes it less suited to longer drafts.

Overview

The checker pairs language corrections with word suggestions intended to better match a sentence’s meaning. Support for more than 27 languages broadens its usefulness, while a free AI content detector adds a separate reason to visit the site. The checker requires no registration, which keeps the basic workflow simple, but its character cap may mean splitting longer documents into sections.

Corrector.app is operated by Grammar Buddies LTD, whose address is 23 New Drum Street, London, England, E1 7AY. The company says advertising helps fund the site and its development, localization, SEO and technical support. Its privacy policy says it collects usage data, uses cookies and similar tracking technologies, and cannot guarantee absolute security for data transmitted or stored electronically. Writers handling sensitive material should weigh that caveat before submitting text.

Key features

Language checks and word suggestions

Corrector.app checks spelling, grammar and punctuation, then suggests corrections. Its alternative-word suggestions can help writers refine phrasing as well as fix errors. More than 27 supported languages make it relevant to multilingual writing, though the service’s stated character limit still constrains how much text can be checked at once.

AI content detection

The site also provides a free detector for identifying AI-generated text. That makes Corrector.app useful to readers who want both language checking and a basic detection tool in one service; the detector is not a substitute for the checker’s writing corrections.

Browser and mobile access

The checker can be used on the web or through a mobile browser. Download links are provided for Chrome, Firefox and Edge extensions, as well as iOS and Android apps. The listed access routes cover common devices and browsers, but no other product integrations are identified.

Pricing

Corrector.app’s Free plan costs nothing. It includes free grammar and spelling checks, requires no account registration, and shows a 15,000-character input limit. There is no free trial because the checker is already offered on a free plan. This is a practical fit for occasional checks and shorter writing; readers with longer material will need to work within the per-input cap.

Platforms

Corrector.app is available on web, Android, iOS and through browser extensions. Its download page links to extensions for Chrome, Firefox and Edge, and to mobile apps; the checker can also be opened in a mobile browser. The maker does not list other integrations.

Who it's for

Corrector.app fits students and professionals seeking free spelling, grammar and punctuation checks, particularly when they want word suggestions or a free AI content detector alongside them. It is a weaker fit for writers checking text longer than 15,000 characters at a time, or anyone unwilling to submit text under a privacy policy that disclaims absolute electronic data security.

Pros and cons

  • Pros: Free grammar and spelling checks with no account registration make it accessible for quick edits.
  • Pros: More than 27 languages and alternative-word suggestions support multilingual checks and phrasing refinement.
  • Pros: A free AI content detector adds a separate text-analysis use case.
  • Cons: The checker’s 15,000-character input limit can interrupt work on longer drafts.
  • Cons: The privacy policy says the service collects usage data and cannot guarantee absolute security of electronically transmitted or stored data, a meaningful concern for sensitive writing.

Alternatives

For a broader selection, browse Grammar checkers or AI Content Detection Software. Consider Trinka if its freemium offering and support for API, desktop, extension and web platforms better suit your workflow. TrustOriginality.ai is another freemium option, with a free plan allowing one text analysis per month and a paid Quick Check plan at €4.99 a month for three multimodal verifications and three API calls.

AI Detect is worth considering if you want a free detector for local use on Linux, macOS or Windows, with no API key or usage limits. SlopTotal offers a free option with no account, credit card or scan limits, and supports web, API, extension and desktop platforms. Ahrefs may suit readers looking for site data and limited Site Explorer and Site Audit access on its free plan. AI or Not offers free monthly AI text detection, image checks and an API key. GPTZero provides free AI detection with a stated monthly word and character allowance, alongside API and extension access. Hive AI-Generated Content Detection has a free Developers option with credits after adding a payment method and pay-as-you-go access to selected models.

Verdict

Corrector.app is a sensible choice for students and professionals who want free, no-account language checks, word suggestions and an AI content detector in one place. The main reason to choose it is that useful writing checks do not require registration or payment. Look elsewhere if your drafts regularly exceed 15,000 characters or your privacy requirements rule out a service that cannot guarantee absolute electronic data security.

Verdict

Corrector.app combines language checks and word suggestions with a free AI content detector. Consider the character limit and the privacy policy’s stated data-security caveat when deciding whether it fits your writing workflow.

Questions

How much does Corrector.app cost?

The Free plan is listed as free.

Do I need to create an account?

The maker says the grammar checker does not require account registration.

What does the checker do?

It checks spelling, grammar, and punctuation, and can suggest alternative words and style improvements.

How many languages does it support?

The maker says the checker supports more than 27 languages.

What platforms can I use?

The listed platforms are Android, browser extension, iOS, and web. The download page links to Chrome, Firefox, and Edge extensions and iOS and Android apps; the checker can also be used through a mobile browser.

Who operates Corrector.app?

The site identifies Grammar Buddies LTD as the operator.

Facts from Corrector.app's own pages

Account requirement
The maker says the grammar checker does not require users to register an account. · corrector.app, 11 Oct 2026
Advertising model
Corrector.app says Google AdSense and Ezoic advertising revenue pays for servers, development, localization, SEO and support. · corrector.app, 21 Oct 2026
AI content tool
The site also offers a free AI content detector for identifying AI-generated text. · corrector.app, 11 Oct 2026
AI detector
A separate free tool estimates the share of text generated by systems including ChatGPT and GPT-4. · corrector.app, 21 Oct 2026
AI detector languages
The AI detector says it can analyze many languages, including Chinese, Hindi, Spanish, French, Arabic, Portuguese, Russian, German, Japanese and Indonesian. · corrector.app, 21 Oct 2026
AI detector method
The AI detector describes using natural-language processing, syntax and semantic analysis, machine learning and GPT-related classifiers. · corrector.app, 21 Oct 2026
Browser extensions
The download page links extensions for Chrome, Firefox and Edge. · corrector.app, 21 Oct 2026
Character limit
GetApp reports that the input field accepts up to 15,000 characters per session. · getapp.com, 21 Oct 2026
Chrome integration
The Chrome extension sends selected text to Corrector.app's editor, where users choose a language and run correction. · chromewebstore.google.com, 21 Oct 2026
Company headquarters
The maker's site gives 23 New Drum Street, London, England, E1 7AY as its address. · corrector.app, 21 Oct 2026
Company registration
UK Companies House lists Grammar Buddies LTD as incorporated on 15 February 2022 and dissolved on 25 July 2023. · find-and-update.company-information.service.gov.uk, 21 Oct 2026
Data collected
The privacy policy says usage data may include IP address, browser details, visited pages, timestamps, device identifiers and mobile operating-system information. · corrector.app, 21 Oct 2026
Developer support
The maker publishes [email protected] for developer enquiries and states that support emails are answered within 24 hours. · corrector.app, 21 Oct 2026
English variants
Its checker includes regional English variants such as US, UK, Australian, Canadian, Indian, Pakistani, Philippine, Nigerian, Singaporean, South African, New Zealand and Irish English. · getapp.com, 21 Oct 2026
Firefox licence
Mozilla lists the extension licence as All Rights Reserved. · addons.mozilla.org, 21 Oct 2026
Firefox permissions
The Firefox add-on requires access to browser tabs and data on all websites. · addons.mozilla.org, 21 Oct 2026
Free plan
Yes · corrector.app, 20 Sept 2026
Funding
The maker says advertising from Google AdSense and Ezoic helps fund site costs, development, localization, SEO and technical support. · corrector.app, 11 Oct 2026
GetApp customer profile
GetApp lists freelancers, small businesses, midsize businesses and enterprises among typical customers, with proofreading as the primary use case. · getapp.com, 21 Oct 2026
GetApp feature feedback
GetApp users rate problem-area alerts 4.0/5 from 19 ratings and text review 4.4/5 from 21 ratings. · getapp.com, 21 Oct 2026
Grammar feature
The grammar analysis examines tense, word order, agreement and sentence structure. · corrector.app, 21 Oct 2026
Integrations
The download page lists browser extensions and mobile apps; it does not list other product integrations. · corrector.app, 11 Oct 2026
Languages
The service supports English, Tagalog and more than 25 additional languages. · corrector.app, 21 Oct 2026
Launch chronology
Planning began in June 2021, beta launched in December 2021 and the English site launched in March 2022. · corrector.app, 21 Oct 2026

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