If you're trying to decide between Cleaner Tone and Undetectable.ai, here's the short version: Undetectable.ai gets you 97% bypass rate and higher pricing, while Cleaner Tone lands a 99.9% pass rate that outperforms every alternative we've benchmarked and is trusted across academia, business, and content teams alike. The rest of this page breaks down pricing, speed, privacy, and every feature side by side.
Try Cleaner Tone Free| Feature | Cleaner Tone ✦ | Undetectable.ai |
|---|---|---|
| Bypass Rate | 99.9% | 97% |
| Free Plan | 300 words/day free | 250 words/day |
| Processing Speed | < 10 seconds | 8 seconds |
| Languages | 20+ | 10 |
| Bulk Processing | Yes (paid plans) | Limited |
| API Access | Yes (Professional+) | Yes |
| Data Retention | Zero — deleted immediately | None |
| Watermark | None | None |
| Sign-up Required | No | Yes |
| Support | 24/7 chat |
Bulk processing available on all paid plans
Higher bypass rate — 99.9% vs competitors' lower rates
No watermark on any output, free or paid
Weekly algorithm updates to stay ahead of detector changes
Supports 20+ languages for global users
More languages supported than most competitors' limited options
Yes — under 10 seconds for most content, even long documents finish in under 60 seconds. 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 undetectable ai vs cleaner tone for free.
In most cases, yes — 20+ languages at the same bypass rate as English. This is the kind of detail we track closely because it matters to how people use the tool. We get asked this a lot in the context of undetectable ai vs cleaner tone for free specifically.
Undetectable.ai tends to focus on surface patterns, while Cleaner Tone targets perplexity, burstiness, and semantic entropy directly. We update this as often as the underlying systems change, so it stays accurate. That's the baseline experience anyone using undetectable ai vs cleaner tone for free should expect.
Depends on their retention policy — Cleaner Tone specifically guarantees nothing is stored after processing. This gets re-examined as part of our regular internal review process. That's true regardless of how you came to need undetectable ai vs cleaner tone for free in the first place.
Usually a limited one — Cleaner Tone's free tier has no credit card and no expiration. We treat this as a moving target and adjust our approach as needed. Nothing here is exclusive to one use case for undetectable ai vs cleaner tone for free over another.
Consistency — the same high bypass rate holds up across every detector, not just the easiest one. It's one of the numbers we're most confident stating plainly. That's not a special case — it's the default behavior for undetectable ai vs cleaner tone for free.
468K+ users worldwide switched from Undetectable.ai to Cleaner Tone, without distorting anything you actually wrote, with a strict no-storage policy, so nothing you submit is ever kept. No sign-up needed to get started right now.
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