Grammarly alternatives

Most people looking past Grammarly in this category want a per-sentence read rather than a document-level one, or a published per-scan word ceiling they can plan a long document around. Grammarly states no word limits for the humanizer or the detector, which is generous in practice and hard to plan against.

Price drives the rest. Pro at $30 a month billed monthly is the most expensive plan in this comparison set — though the humanizer and detector are both free, so leaving over price usually means leaving over grammar and plagiarism features rather than these.

None of that makes Grammarly a bad tool. It makes it a tool with a shape, and the question is whether that shape matches your work. Our full HumanFlow vs Grammarly comparison sets its numbers against ours in detail, including where Grammarly wins.

Grammarly's AI humanizer is free, with no word or usage limit stated on the page. Its standalone AI detector is free too, again with no stated cap, and Grammarly claims 99% accuracy and first place on RAID's independent benchmark for it.

That reshapes every other line of this page. The two Grammarly features that compete with the tools in the table above are the ones that cost nothing, so the honest comparison is not $12 a month against someone else's $10.80. It is: can you do this job for free, and does the free version suit you.

For a large share of people reading this, the answer is yes and the correct move is to use Grammarly and buy nothing. We are one of the tools being compared and that is still the recommendation.

Grammarly's humanizer page states that the tool "is not intended to bypass AI detectors. Instead, it enhances clarity and coherence, helping AI-assisted writing feel more polished and readable."

It goes further than we do: "In academic settings or any context where AI use is restricted or must be disclosed, using an AI humanizer to disguise the use of AI may be considered unethical and could constitute cheating or plagiarism."

We hold the same position — HumanFlow does not promise to beat any detector, because nobody honestly can — but we did not put the cheating warning on the tool page and they did. Several vendors in the table above advertise the opposite. On this specific question Grammarly is the strictest in the set.

Grammarly corrects grammar, spelling, clarity and tone as you type, across a browser extension, Microsoft Word, desktop apps and mobile keyboards. Nothing in the table above does that, at any price.

So switching is rarely a switch. Most people who go looking for a Grammarly alternative in this category end up keeping Grammarly and adding a second tool for the narrow job it does not cover, which is worth planning for rather than discovering in month two.

The narrow job is sentence-level detection: which lines read as machine-written, rather than one document-level number. That is the part with no Grammarly equivalent, and it is the only reason on this page to add anything.

The Humanizer agent offers four preset voices plus a custom voice built from a writing sample of 200 words or more, and works across English, Spanish, French, German, Portuguese and Italian. Custom voice profiles are shared with the Paraphraser agent.

HumanFlow offers three fixed tones, no custom option and English only. QuillBot's humanizer covers five languages. On both counts Grammarly is ahead of most of this set, and the custom voice in particular has no equivalent anywhere in the table above.

If matching your own register is the point rather than volume or price, that feature is the strongest argument on this page and it belongs to them.

Be clear about what you are replacing. Grammarly corrects writing as you type across every application; nothing in this set does that, and most people who switch keep Grammarly and add a second tool rather than trading one for the other.

Check the free tiers before paying anyone. Grammarly's humanizer and detector are both free with no stated caps, which is more than most paid entry plans here give you.

We are one of the 12 tools on this page and we wrote it, so weigh it accordingly. On the ranking rule above, HumanFlow's free plan takes 1,500 words in a single scan — the largest single free request here — with 2,000 humanizer words and 10,000 detection words a month.

On total free volume we lose to StealthWriter, and several tools on this page are cheaper at entry than our $18. HumanFlow does not promise to beat any detector — nobody honestly can — and we publish no bypass rates. Our plans in full, or try the editor without an account.