Undetectable AI vs Phrasly
Undetectable AI is the established player. Phrasly is a newer challenger with aggressive marketing. We tested both head-to-head — and found a better third option.
Quick Verdict
Undetectable AI edges out Phrasly, but HumanizeThisAI beats both on every metric.
Undetectable AI has stronger bypass tech than Phrasly but costs significantly more ($19/mo monthly). Phrasly offers free words but delivers inconsistent results. HumanizeThisAI outperforms both with 99%+ bypass rates and starts at $5.99/month.
Features
Feature Comparison
| Feature | Undetectable AI | Phrasly | HumanizeThisAI |
|---|---|---|---|
| AI Detection Bypass | 88% | 72% | 99% |
| Turnitin Bypass | 80% | 65% | 99.8% |
| Meaning Preservation | Good | Moderate | Excellent |
| Free Tier | Free trial | 500 words/mo | 1,000 words/month |
| Multi-language Support | 30+ | 15+ | 12 |
| Built-in AI Detector | |||
| Chrome Extension | |||
| Processing Speed | Fast | Moderate | Fast |
Test Results
AI Detection Bypass Rates
Same text processed through all tools, tested against major AI detectors
| AI Detector | Undetectable AI | Phrasly | HumanizeThisAI |
|---|---|---|---|
| GPTZero | 85% | 70% | 99% |
| Turnitin | 78% | 62% | 99.8% |
| Originality.ai | 72% | 55% | 99.7% |
| Copyleaks | 82% | 68% | 98% |
| ZeroGPT | 88% | 75% | 99% |
Looking for Something Better?
Why choose between Undetectable AI and Phrasly when HumanizeThisAI offers higher bypass rates, better pricing, and a free trial with 1,000 words?
FAQ
Undetectable AI vs Phrasly FAQ
Common questions about Undetectable AI, Phrasly, and HumanizeThisAI.