QuillBot has one genuine superpower: making text look different while saying the same thing. If you need to paraphrase a source, restructure a paragraph, or produce a version of something that won't trigger plagiarism checkers, it's good at that. It's been good at that since it launched.

The problem shows up when you use it for a different purpose — trying to make your English sound natural and native. QuillBot shuffles vocabulary and restructures sentences. It doesn't specifically fix the patterns that make ESL writing sound foreign. You can run a paragraph through QuillBot three times and still end up with something that reads as translated.

Here are the better alternatives depending on what you actually need.

1
NativeProse — For sounding like a native speaker

This is the specific gap QuillBot doesn't fill. NativeProse doesn't paraphrase — it rewrites text the way a native English speaker would phrase it. The difference in output is noticeable:

Original (sounds foreign)

I am reaching out to you with regards to the project we have been collaborating on. I wanted to kindly ask if you could provide me with an update regarding its current status at your earliest convenience.

NativeProse output

Just checking in on the project — any updates on where things stand?

QuillBot would give you a reorganized version of the first sentence. NativeProse gives you the second. If your goal is professional emails, LinkedIn messages, or any English communication where naturalness matters, that difference is the whole point.

It installs as a Chrome extension and works in any text field — Gmail, Slack, Notion, LinkedIn — with 10 free rewrites per day.

Best for: Non-native speakers who need professional English communication to sound natural, not just paraphrased.
2
Grammarly — For grammar-first users

If you're using QuillBot partly to fix grammar errors while paraphrasing, Grammarly does that job more cleanly. Its grammar detection is best-in-class, the inline suggestions are easy to accept, and the free plan handles the basics well.

It doesn't rewrite for naturalness either — it corrects errors and flags style issues. But for someone whose main concern is catching mistakes rather than sounding native, Grammarly is the more direct tool for that job.

Best for: Grammar checking and catching errors in real time, especially for near-native writers who just need a safety net.
3
LanguageTool — The free Grammarly alternative

LanguageTool covers 30+ languages and has a genuinely strong free plan — no 500-word limit like some competitors. If you're multilingual and switch between languages in your work, it's particularly useful since it can detect the language automatically and check grammar accordingly.

It won't paraphrase or rewrite, but it catches most grammar and style issues that matter for professional writing.

Best for: Budget users who need grammar checking across multiple languages.
4
ChatGPT — For flexible, open-ended rewrites

For complex rewriting tasks where you need more control over the output, ChatGPT is the most flexible option. You can give it specific instructions: "Rewrite this email to sound casual but professional, like a senior designer at a startup would write it." The output is often very good — especially GPT-4o.

The friction is workflow. No browser extension means copy-paste every time. For someone rewriting text across multiple apps throughout the day, that overhead adds up. But for occasional, high-stakes writing tasks — a job application, an important pitch email, a LinkedIn post you want to get right — the flexibility is worth it.

Best for: High-stakes, occasional rewriting where you have time to craft a specific prompt and review the output carefully.
5
DeepL Write — For European language speakers

DeepL Write is newer and specifically designed for rephasing and style improvement. It supports English, German, French, Spanish, Portuguese, Italian, Dutch, and Polish. If you're a European-language native speaker who needs English writing help, DeepL Write has a cleaner interface than QuillBot and often more natural output.

The free version is functional but limited in word count. Premium unlocks higher limits and tone controls.

Best for: Writers from European language backgrounds who want a clean, no-fuss rephrasing tool with good output quality.

Which One?

QuillBot makes sense if paraphrasing is your primary need — restructuring content, working with sources, academic writing. If you're using it mainly to try to improve how natural your English sounds in professional communication, you're using the wrong tool for the job. That's specifically what NativeProse was built for — and at $9/month with a generous free tier, it's worth trying before committing to anything.

Try NativeProse Free

10 free rewrites per day. Works in Gmail, Slack, LinkedIn, and any website. See the difference between paraphrasing and actually sounding native.

Add to Chrome — It's Free