For anyone who needs 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% bypass rate, tested weekly and is trusted by 500,000+ users worldwide. 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 |
Supports 20+ languages for global users
More languages supported than most competitors' limited options
Weekly algorithm updates to stay ahead of detector changes
Higher bypass rate — 99.9% vs competitors' lower rates
No watermark on any output, free or paid
API access for workflow integration
Both aim to, but Cleaner Tone's transformation is built to keep facts and arguments 100% intact by design. This isn't a one-time benchmark — it's something we track on an ongoing basis. We built cleaner tone vs undetectable ai for free around that exact expectation from day one.
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. That's been consistent since we first shipped support for cleaner tone vs undetectable ai for free.
Mainly the higher bypass rate, better free plan, zero data retention, and faster processing. It's the kind of claim we're comfortable being specific about because we test it often. We treat that as non-negotiable for anything related to cleaner tone vs undetectable ai for free.
In most cases, yes — 20+ languages at the same bypass rate as English. It's a claim we back up with continuous testing, not a marketing number. You'll get the same result whether this is your first or fiftieth run of cleaner tone vs undetectable ai for free.
Cleaner Tone, largely because of the Academic tone and consistent 99.9% rate against Turnitin and GPTZero. It's consistent across the testing we've run so far, and we keep testing. This holds whether you're running cleaner tone vs undetectable ai for free once or as part of a daily workflow.
Cleaner Tone holds a 99.9% bypass rate across Turnitin, GPTZero, and Originality.AI, outperforming Undetectable.ai in independent tests. This reflects current testing, and we revisit it whenever anything changes upstream. It's worth keeping in mind if cleaner tone vs undetectable ai for free is new to your workflow.
Join 423K+ people switched from Undetectable.ai to Cleaner Tone, with zero loss of meaning, structure, or intent, with no logs, no storage, no second use of your text. Free tier available, upgrade only if you actually need to.
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