What it's for
The easiest proofreading layer for client writing.
- Proofreading
- Tone checks
- Rewrites
Plans and prices
| Plan | Price (USD unless shown) | What you get |
|---|---|---|
| Free | $0 | 100 AI prompts a month |
| Pro | $12/mo (billing period not stated) | 2,000 AI prompts per member a month; free trial |
Read on the official pricing page on . Prices change; check before you buy.
Free plan in real output
Free includes 100 AI prompts a month plus basic writing suggestions.
- Free: basic correctness checks while you type, everywhere.
- Pro: 2,000 AI prompts a month and full rewrite suggestions.
Cost at your stage
| Plan | Monthly cost | |
|---|---|---|
| Month 1 (testing, low volume) | Free | $0 |
| Month 12 (working volume) | Pro | $12 |
Break-even: Pro at $12/mo is covered by one small editing job.
Month-12 plan is our estimate of what a solo seller at steady weekly output needs, based on the plan limits above. Costs exclude tax.
Commercial use and output rights
Not verified. Terms page blocked our check. Grammarly Terms (not read)
Your data and AI training: Not checked.
This is a summary of public terms, not legal advice. Terms change; re-read the clause before client work.
First-hour setup
- Install the browser extension.
- Set your goals and dialect.
- Write as usual and review suggestions.
- Add client names to the dictionary.
- Use Pro for full rewrites only if you need them.
Competitors compared
| Tool | Pricing model | Free plan | Starting price | Difficulty | Output rights | Best for |
|---|---|---|---|---|---|---|
| Grammarly | Free plan + paid plans | Yes | $0 · then $12/mo (billing period not stated) | 1/5 | Not verified | Clean, error-free writing everywhere |
| LanguageTool | Free plan + paid plans | Yes | See official site | – | – | Proofreading in languages other than English |
| Hemingway Editor | Free plan + paid plans | Yes | See official site | 1/5 | – | Making writing simpler and clearer |
| Claude | Free plan + paid plans | Yes | $0 · then $20/mo, or $17/mo billed yearly ($200 upfront) | 1/5 | You own or may use output commercially | Long documents, careful writing and code |
| ProWritingAid | Free plan + paid plans | Yes | See official site | 2/5 | – | Novelists and long-form writers |
Learning difficulty
1/5: Works as you type.
When not to use it
For heavy rewriting, an assistant like Claude gives more control.
Cheaper or free alternatives:
- LanguageTool: Proofreading in languages other than English (yes free plan)
- Hemingway Editor: Making writing simpler and clearer (yes free plan)
- Claude: Long documents, careful writing and code (yes free plan)
Which of our hustles use it
None of our research notes use it yet.
Price history
Each monthly check adds rows here. Older rows are never edited, so you can see when prices changed.
Sources
- Grammarly plans (read 17 October 2026)
Last verified . Anything we couldn't confirm on an official page is marked "not published", "not shown" or "not verified".