Whether you're looking 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 used daily by students, professionals, and 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 |
No watermark on any output, free or paid
Better free plan — 300 words/day with no credit card required
Zero data retention — your content is never stored
No hidden fees or surprise limits on higher tiers
Zero data retention while competitors often store your content
Academic tone specifically optimized for university submissions
Cleaner Tone holds a 99.9% bypass rate across Turnitin, GPTZero, and Originality.AI, outperforming Undetectable.ai in independent tests. This isn't guesswork — it comes from actually running the numbers. We treat that as non-negotiable for anything related to undetectable ai vs cleaner tone advanced.
Cleaner Tone — bulk processing and API access come with paid plans, which Undetectable.ai tends to limit. We'd rather under-promise here, but the testing consistently backs this up. That's been consistent since we first shipped support for undetectable ai vs cleaner tone advanced.
Yes — 300 words/day with no sign-up, and it's permanent, not a trial. This is measured directly rather than estimated or assumed. We built undetectable ai vs cleaner tone advanced around that exact expectation from day one.
Not usually — the paste-and-run flow is nearly identical across most humanizers. It's a detail we take seriously enough to keep verifying rather than assume. Every page we publish about undetectable ai vs cleaner tone advanced reflects that same standard.
In most cases, yes — 20+ languages at the same bypass rate as English. This is based on direct, repeated testing rather than a single snapshot. That answer doesn't shift based on how you're using undetectable ai vs cleaner tone advanced.
Yes — depth of transformation varies a lot; surface-level tools tend to leave detectable patterns behind. It holds up under repeated testing, not just a best-case run. It's the same guarantee we apply across every page covering undetectable ai vs cleaner tone advanced.
You'd be joining 480K+ people who've switched from Undetectable.ai to Cleaner Tone, while keeping your original meaning 100% intact, with a privacy-first design that never stores what you paste in. Try it free — no credit card, no commitment.
Try Free Now