TextPolish vs Undetectable.ai: Which AI Humanizer is Better in 2025?
TextPolish vs Undetectable.ai: Which AI Humanizer is Better in 2025?
Both tools humanize AI-generated text so it bypasses detectors like Turnitin, GPTZero, and Copyleaks. But they take very different approaches to pricing, features, and who they're built for. Here's a straight comparison.
Quick Verdict
TextPolish wins on price and feature depth. You get a free tier, an essay outline tool, discussion post generation, writing style matching, and multi-language support, all in one dashboard. Undetectable.ai focuses purely on humanization with no extra academic tools and a higher price floor.
Feature Comparison
| Feature | TextPolish | Undetectable.ai |
|---|---|---|
| Free tier | 500 words lifetime | Very limited |
| Starting price | $4.99/month | $9.99/month |
| Word limit (basic) | 1,000 per request | ~300 per request |
| Essay outline tool | Yes | No |
| Discussion post generator | Yes (Pro/Ultra) | No |
| Writing style matching | Yes (paid) | No |
| Multi-language support | Yes (Pro/Ultra) | Limited |
| Think Harder mode | Yes (Pro/Ultra) | No |
| Export to Word/PDF | Yes | No |
| Bypasses Turnitin | Yes | Yes |
| Bypasses GPTZero | Yes | Yes |
| Bypasses Copyleaks | Yes | Yes |
Pricing
TextPolish:- Free: 500 words lifetime
- Basic: $4.99/month (or $2.99/month annually)
- Pro: $12.99/month (or $6.99/month annually)
- Ultra: $19.99/month (or $9.99/month annually)
- Free: Extremely limited trial
- Basic: $9.99/month
- Professional: Higher tiers available
TextPolish is about half the cost at the entry level, and the annual plans cut the price significantly further.
Key Differences
Academic tools. TextPolish has an essay outline generator that produces real research with working source URLs. It also has a Discussion Posts feature for generating humanized responses and peer replies for online class discussions. Undetectable.ai does one thing: humanize text. Word limits. Undetectable.ai caps free usage heavily and limits per-request word counts more aggressively. TextPolish gives 1,000 words per request on Basic, 2,000 on Pro, and 5,000 on Ultra. Writing style. TextPolish lets you paste a sample of your own writing so every output matches your voice, not a generic AI tone. This makes the output harder to flag and more authentic. Undetectable.ai has no equivalent feature. Language support. TextPolish supports 20+ languages on Pro and Ultra plans. Undetectable.ai's multi-language support is limited.Who Should Use Which
Choose TextPolish if you're a student who needs essay outlines, discussion post help, and humanization in one place, or if you want the best value for money. Choose Undetectable.ai if you only need pure humanization with no other tools and price is not a concern.Bottom Line
For most users, especially students, TextPolish offers more tools at a lower price. The free tier lets you test it before committing to anything. Try TextPolish free.
Ready to Humanize Your AI Content?
Transform your AI-generated text into natural, human-like content that bypasses all detection tools.
Try TextPolish Free →