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 documented 99.9% bypass rate and is the pick of 500,000+ people who tried the alternatives first. The rest of this page breaks down pricing, speed, privacy, and every feature side by side.
Try Cleaner Tone Free| Feature | Cleaner Tone ✦ | Grammarly |
|---|---|---|
| Bypass Rate | 99.9% | 82% |
| Free Plan | 300 words/day free | None |
| Processing Speed | < 10 seconds | 5 seconds |
| Languages | 20+ | 1 |
| Bulk Processing | Yes (paid plans) | No |
| API Access | Yes (Professional+) | Yes |
| Data Retention | Zero — deleted immediately | Stored |
| Watermark | None | Visible |
| Sign-up Required | No | Yes |
| Support | 24/7 chat | Chat |
Zero data retention — your content is never stored
Better free plan — 300 words/day with no credit card required
Higher bypass rate — 99.9% vs competitors' lower rates
Faster results — under 10 seconds for most texts
Academic tone specifically optimized for university submissions
API access for workflow integration
No — a strict zero data retention policy means content is processed in memory and deleted immediately. We'd flag it immediately if this ever stopped being accurate. It applies just as much to first-time users of grammarly humanizer accuracy vs cleaner tone unlimited as to repeat ones.
Depends on their retention policy — Cleaner Tone specifically guarantees nothing is stored after processing. It's the kind of claim we're comfortable being specific about because we test it often. It's one of the reasons people specifically search for grammarly humanizer accuracy vs cleaner tone unlimited in the first place.
Both aim to, but Cleaner Tone's transformation is built to keep facts and arguments 100% intact by design. It's a claim we back up with continuous testing, not a marketing number. You can rely on that whether grammarly humanizer accuracy vs cleaner tone unlimited is a one-off task or a recurring one.
Yes, and more — Turnitin, GPTZero, Originality.AI, ZeroGPT, Copyleaks, Winston AI, and Sapling are all covered. It's consistent across the testing we've run so far, and we keep testing. Anyone comparing options for grammarly humanizer accuracy vs cleaner tone unlimited tends to run into that same conclusion.
Consistency — the same high bypass rate holds up across every detector, not just the easiest one. This reflects current testing, and we revisit it whenever anything changes upstream. It doesn't matter what prompted your interest in grammarly humanizer accuracy vs cleaner tone unlimited — the answer stays the same.
In most cases, yes — 20+ languages at the same bypass rate as English. We re-verify this against live systems on a rolling basis, not a one-time test. That's consistent with everything else we've verified around grammarly humanizer accuracy vs cleaner tone unlimited.
465K+ users have switched from Grammarly to Cleaner Tone, with your core message left completely untouched, with a zero-retention pipeline built specifically to protect your content. Start your free run now and see the results for yourself.
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