Alternatives
The best Phrasly alternatives for non-native English writers
By ESL Humanizer editorial team · Prices and limits checked September 2026
Short answer
The best Phrasly alternative depends on why you're switching. If you wrote the text yourself and want it to sound natural without changing your meaning, ESL Humanizer is built for that. HumanFlow is a good fit if you start from an AI draft and want it to read naturally; StealthWriter is a good fit if you're humanizing AI drafts in bulk.
Why people look for a Phrasly alternative
- Vendor-reported scores aren't independent evidence
- Students want transparent edits
- Disguise tools can be hard to justify if questioned
Phrasly and its alternatives compared
Details come from each tool’s own website in September 2026 and can change. ESL Humanizer is our product, so its row sticks to verifiable facts.
| Tool | Built for | Free option | Paid from |
|---|---|---|---|
| ESL Humanizer | Polishing English you wrote yourself | 1 rewrite a day (2 when signed in), up to 1,500 characters (~250 words) each | $24.95/month or $89 for 4 months |
| HumanFlow | Making AI-assisted drafts read naturally; AI-likelihood scoring | 2,000 words a month to humanize, 10,000 to detect, 1,500 words per scan | $18/month (Writer); 40% off yearly |
| StealthWriter | Humanizing AI-generated text | 10 humanizations and 10 scans a day, 1,000 words per input | $20/month (Starter) up to $400/month |
| Undetectable AI | Rewriting AI-generated text | 250-word trial | $5/month billed yearly (10,000 words) |
| QuillBot | General paraphrasing, grammar and summarizing | Paraphraser up to 125 words per run | $19.95/month or $8.33/month billed yearly |
| Phrasly (for reference) | Humanizing AI-generated text for students and writers | Free sign-up; 3-day access for $2 | Unlimited $10.99/month billed yearly |
The alternatives, one by one
1. ESL Humanizer — for English you wrote yourself
ESL Humanizer rewrites a non-native writer’s own paragraph so it reads naturally, then shows every change word by word with a meaning score and an AI-detection estimate. It doesn’t generate content and never promises to beat detectors.
- No score promises — ESL Humanizer shows an estimate for context only.
- Word-by-word diff and meaning score.
- Focused on non-native writers' own drafts.
2. HumanFlow — making AI-assisted drafts read naturally; AI-likelihood scoring
An AI humanizer and detector that rewrites AI-generated drafts to sound natural and scores text for AI likelihood.
- Choose it if you start from an AI draft and want it to read naturally
- Watch out for: built around AI-generated drafts rather than your own writing
- Free option: 2,000 words a month to humanize, 10,000 to detect, 1,500 words per scan
3. StealthWriter — humanizing AI-generated text
An AI humanizer with its own detector, sold with daily humanization allowances.
- Choose it if you're humanizing AI drafts in bulk
- Watch out for: designed for AI-generated input
- Free option: 10 humanizations and 10 scans a day, 1,000 words per input
4. Undetectable AI — rewriting AI-generated text
An AI humanizer that rewrites AI-generated text and markets high “human” scores on major detectors.
- Choose it if you're rewriting marketing copy that an AI drafted and detector scores matter to you
- Watch out for: designed around AI-generated input, not a non-native writer's draft
- Free option: 250-word trial
5. QuillBot — general paraphrasing, grammar and summarizing
A paraphrasing suite with several rewrite modes, a grammar checker, a summarizer and a humanizer.
- Choose it if you need a summarizer, citation tool and paraphraser in one subscription
- Watch out for: the free paraphraser stops at 125 words per run
- Free option: Paraphraser up to 125 words per run
When sticking with Phrasly makes sense
- You want an all-in-one student AI suite
If you’re switching because you wrote the work yourself and were worried about a detector, you don’t need a disguise tool. Read how to avoid false AI flags — natural English and a visible writing process protect you better than any rewrite.
Wrote it yourself? Make it sound natural.
Paste a paragraph. ESL Humanizer fixes non-native phrasing, keeps your meaning and highlights every change — free for up to ~250 words.
Quick answers
Is Phrasly accurate?
Phrasly reports a 99.7% average human score from its own testing across 100,000+ documents. Independent studies have found that detectors disagree widely, so any single score should be treated as an estimate.