Grammar Check by AI Writing

Education · Metaverse Labs

Grammar Check by AI Writing icon
24.5K ratings
4.5
Installs
1M+
Price
Free
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Grammar Check by AI Writing screenshots

Grammar Check by AI Writing screenshot 1Grammar Check by AI Writing screenshot 2Grammar Check by AI Writing screenshot 3Grammar Check by AI Writing screenshot 4Grammar Check by AI Writing screenshot 5
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Most writing problems on a phone are small: a missing comma, a verb that does not agree with its subject, a sentence that reads more stiffly than you intended. They are also the hardest to see on a small screen, especially when you are drafting an email in a hurry or finishing an assignment late at night. Grammar Check by AI Writing aims to close that gap.

The app comes from Metaverse Labs and sits in the Education category on Google Play. It is free to download, it carries ads, and it offers in-app purchases. It has passed one million installs and holds a 4.5 average across more than twenty-four thousand ratings, which suggests a lot of people have kept it on their phones after trying it.

What the developer describes is a single place to check grammar and spelling, rephrase sentences, look up unfamiliar words and draft messages. Rather than juggling separate tools for each job, the pitch is that you move between them inside one app. That is a reasonable promise for anyone who writes on a phone regularly and does not want to switch between a browser tab and a notes app.

The real-time check and the explanation behind it

The feature the developer leads with is real-time grammar and spelling correction. As you write, the app is meant to spot mistakes and fix them as they appear, so you are not left hunting for errors after the fact. For anyone who types quickly and reviews slowly, that changes the rhythm of writing: instead of a separate proofreading pass, the correction happens alongside the drafting.

The more interesting half of this is the explanation. After a check, the app describes what went wrong, so a corrected sentence comes with a reason attached. That turns a routine fix into something closer to a lesson. If you keep making the same mistake, seeing the rule spelled out repeatedly is more useful than silently accepting a correction you do not understand.

I would expect this pairing to matter most for people writing in a second language or returning to formal writing after years away from it. The correction alone saves time; the explanation is what makes the app worth returning to. The developer frames the app as a way to improve your writing rather than only clean it up, and the explanation step is where that claim has something to stand on.

Paraphrasing, tone and the dictionary

Beyond correction, the app paraphrases text. You can take a corrected sentence and ask for another version, then compare the options and keep the one that fits. The developer also describes tone transformation, which lets you push a passage toward a formal register for an essay or a looser one for a message to a friend. For anyone who struggles to shift between those registers, having both versions side by side is a practical way to learn the difference.

The dictionary adds a reference layer. Entries include word types, IPA pronunciation and example sentences. That is more than a bare definition, and it means you can look up a word you are unsure about without leaving the app you are already writing in. A related feature, word relations, suggests alternative words and expressions so you can vary your vocabulary instead of repeating the same phrasing.

Email composition rounds out the set. The app can draft messages that match your objective, whether that is a work email or a note to a friend. Read that as a starting point rather than a finished product: a draft you then adjust to sound like you is the sensible way to use it, and it is the kind of task where a first pass saves the most time.

Getting text in: typing, camera and voice

Input is not limited to the keyboard. Camera scanning and picture insertion sit alongside voice input, so text that already exists in a document or an image can be brought into the app rather than retyped. Voice input covers the case where you would rather speak a draft than type it.

That range matters more than it first appears. A student working from a printed handout, someone dealing with a screenshot of a message, and a person drafting on a walk all need different ways in, and the app is designed to accept all three. Having the same correction and paraphrasing tools behind each route keeps the experience consistent.

The practical advice I would give is to match the input method to the job. Type when you are composing from scratch and want the real-time check to work as you go. Speak when the words are clear in your head but typing them out is the obstacle.

What it asks of you: ads, purchases and a connection

The app is free to download, and it carries advertising. It also offers in-app purchases. Ads run alongside the free features, and there is an option to spend inside the app. A free tool that does this much work has to be paid for somehow, and ads plus optional purchases are the route this one takes.

Because the correction, paraphrasing and dictionary features are the core of the app, using it means working through those tools. That is a consideration for anyone planning to paste in confidential material. It is also a reason to treat the app as a tool you use deliberately rather than something that sits quietly on the device.

The app is rated for Everyone and has been on Google Play since March 2023. The most recent update is described as a bug fix, which tells you the developer is still tending to the app rather than leaving it as it launched.

How I would work it into a writing routine

The workflow the developer sketches is worth following: start with a grammar check, copy the corrected version, then run it through the paraphrase feature to see whether a different phrasing reads better, and use the dictionary when a word is unfamiliar. Each step builds on the last, so the app rewards being used in sequence rather than as a set of unrelated buttons.

For a student, that sequence fits the way essays actually get written: draft, correct, reconsider the wording, then check the vocabulary you were unsure about. For someone in an office, the useful part is likely to be the email drafting combined with the tone controls, since the difference between a message to a client and a message to a colleague is largely a matter of register.

The explanation feature is the one I would keep coming back to. Corrections are easy to find; a short account of why the correction was needed is rarer, and it is what turns a proofreading tool into something closer to practice. If you treat the app as a tutor rather than a spellchecker, the value goes up considerably.

One habit worth forming: do not accept every suggestion blindly. Paraphrased options and word relations give you choices, and choosing is where the learning happens. The app is a writing assistant, and the word assistant is doing real work here.

Who this writing assistant suits

Students working on assignments, professionals drafting emails, and anyone writing in a second language will find the combination of correction and explanation more useful than a tool that only fixes mistakes.

The app is free to download, backed by ads and in-app purchases. Those are the conditions of using it, and they are worth accepting knowingly. The install count and the 4.5 average suggest plenty of people have decided the trade is worthwhile.

If you want a single app that corrects your grammar, tells you why, helps you rephrase, and gives you a dictionary to check words against, this is the shape of tool you are looking for. The explanation step is what separates it from a simple autocorrect, and it is the reason I would suggest giving it a place in your writing routine.

The short verdict

A free, ad-supported writing assistant that corrects, explains and rephrases English text, best suited to students and professionals drafting on a phone.

What's new in version 2.0.3

Hi there! In this version, we give you some updates: _ Bug fix Thanks for choosing us!

App specs

  • Version2.0.3
  • UpdatedSeptember 18, 2026
  • Downloads1M+
  • RequiresAndroid 7.0+
  • PriceFree
  • Age ratingEveryone

Grammar Check by AI Writing: frequently asked questions

What can Grammar Check by AI Writing actually do?

It checks grammar and spelling in real time and corrects mistakes as you write. It also paraphrases text, shifts the tone of a passage, suggests alternative words, and includes a dictionary with word types, IPA and example sentences. An email composition feature drafts messages based on your objective.

Does it explain the grammar mistakes it finds?

Yes. After a grammar check, the app provides a description of what went wrong. That is meant to help you understand the error and avoid repeating it, rather than simply accepting a silent correction. It is the feature that makes the app feel closer to a tutor than a spellchecker.

How do I get text into the app?

You can type as normal, and the app also offers camera scanning, picture insertion and voice input. That means printed or photographed text can be brought in without retyping, and you can speak a draft instead of typing it. All the correction and paraphrasing tools sit behind each of those input routes.

Is Grammar Check by AI Writing free?

The app is free to download, and it contains advertising. It also offers in-app purchases. Ads run alongside the free features, and there is an option to spend inside the app.

Can it help me change how formal my writing sounds?

Tone transformation is one of the listed features. A passage can be adjusted so it reads professionally for an essay or casually for a message to a friend. Combined with paraphrasing, that gives you more than one version of a sentence to compare before you settle on the one that fits.

Pros

  • Real-time grammar and spelling correction
  • Explains the mistakes behind each correction
  • Paraphrasing with adjustable tone
  • Dictionary with word types, IPA and examples
  • Camera, picture and voice input options

Cons

  • Free version carries advertising
  • In-app purchases are offered
  • Relies on the developer's technology to work

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