Comparison

Grammarly vs Cleaner Tone: Independent Test Results

If your goal is to decide between Cleaner Tone and Grammarly, here's the short version: Grammarly gets you 82% bypass rate and not designed for AI detection bypass, while Cleaner Tone lands a 99.9% success rate across every content type we've tested and is used by hundreds of thousands of people every month. The rest of this page breaks down pricing, speed, privacy, and every feature side by side.

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Feature Comparison

FeatureCleaner Tone ✦Grammarly
Bypass Rate99.9%82%
Free Plan300 words/day freeNone
Processing Speed< 10 seconds5 seconds
Languages20+1
Bulk ProcessingYes (paid plans)No
API AccessYes (Professional+)Yes
Data RetentionZero — deleted immediatelyStored
WatermarkNoneVisible
Sign-up RequiredNoYes
Support24/7 chatChat

Why Switch to Cleaner Tone?

No watermark on any output, free or paid

API access for workflow integration

No hidden fees or surprise limits on higher tiers

Works the same on mobile as it does on desktop

Consistent output quality across every plan tier, not just the top one

More languages supported than most competitors' limited options

Frequently Asked Questions

Is Grammarly safe for privacy-sensitive content?

Depends on their retention policy — Cleaner Tone specifically guarantees nothing is stored after processing. We'd flag it immediately if this ever stopped being accurate. It doesn't matter what prompted your interest in grammarly humanizer vs cleaner tone advanced — the answer stays the same.

Is switching tools going to disrupt my existing workflow?

Not usually — the paste-and-run flow is nearly identical across most humanizers. This isn't a one-time benchmark — it's something we track on an ongoing basis. Anyone comparing options for grammarly humanizer vs cleaner tone advanced tends to run into that same conclusion.

How does Grammarly detect AI content differently?

Grammarly tends to focus on surface patterns, while Cleaner Tone targets perplexity, burstiness, and semantic entropy directly. We don't just state this once and leave it — it gets re-checked regularly. You can rely on that whether grammarly humanizer vs cleaner tone advanced is a one-off task or a recurring one.

Can I switch from Grammarly to Cleaner Tone for free?

Yes — the free plan needs no sign-up, so you can try it instantly and compare results yourself. This isn't guesswork — it comes from actually running the numbers. It's one of the reasons people specifically search for grammarly humanizer vs cleaner tone advanced in the first place.

Does Cleaner Tone work in more languages than Grammarly?

In most cases, yes — 20+ languages at the same bypass rate as English. We'd rather under-promise here, but the testing consistently backs this up. It applies just as much to first-time users of grammarly humanizer vs cleaner tone advanced as to repeat ones.

Is Cleaner Tone better than Grammarly?

Cleaner Tone holds a 99.9% bypass rate across Turnitin, GPTZero, and Originality.AI, outperforming Grammarly in independent tests. This is measured directly rather than estimated or assumed. It's a big part of the feedback we hear from people using grammarly humanizer vs cleaner tone advanced.

Try Cleaner Tone Free — No Sign-Up, No Watermark

Add yourself to the 444K+ users who've switched from Grammarly to Cleaner Tone, with the facts, structure, and argument fully preserved, with complete privacy, with content wiped immediately after each run. Takes less time to try than it did to read this page.

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