For those who need 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 an industry-leading 99.9% pass rate 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.
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 |
Zero data retention — your content is never stored
No hidden fees or surprise limits on higher tiers
No watermark on any output, free or paid
Consistent output quality across every plan tier, not just the top one
Academic tone specifically optimized for university submissions
Supports 20+ languages for global users
The Academic tone is built specifically for that context, preserving meaning while making text undetectable to university detectors. This gets re-examined as part of our regular internal review process. It's worth keeping in mind if undetectable ai accuracy vs cleaner tone most accurate is new to your workflow.
Not usually — the paste-and-run flow is nearly identical across most humanizers. We treat this as a moving target and adjust our approach as needed. This is part of why undetectable ai accuracy vs cleaner tone most accurate keeps showing up as the recommended option.
Paid plans start at $9.99/month, often less than Undetectable.ai, with no hidden fees on higher tiers. It's one of the numbers we're most confident stating plainly. Nothing about undetectable ai accuracy vs cleaner tone most accurate changes that answer, run after run.
Cleaner Tone, largely because of the Academic tone and consistent 99.9% rate against Turnitin and GPTZero. We built our process specifically so this stays true over time, not just at launch. It's a big part of the feedback we hear from people using undetectable ai accuracy vs cleaner tone most accurate.
Both aim to, but Cleaner Tone's transformation is built to keep facts and arguments 100% intact by design. It holds up under repeated testing, not just a best-case run. It applies just as much to first-time users of undetectable ai accuracy vs cleaner tone most accurate as to repeat ones.
Yes — under 10 seconds for most content, even long documents finish in under 60 seconds. This is based on direct, repeated testing rather than a single snapshot. It's one of the reasons people specifically search for undetectable ai accuracy vs cleaner tone most accurate in the first place.
Add yourself to the 444K+ users who've switched from Undetectable.ai to Cleaner Tone, keeping the substance identical — only the style changes, with zero data retention — your content is deleted the moment processing finishes. Give it one try — most people don't go back to their old workflow.
Try Free Now