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Comparison · 2026
Prompt Selector vs Write Brain
Prompt Selector vs Write Brain: side-by-side comparison of pricing, ratings, and features on SoftwareVital (2026).
Feature lists share 0 overlapping items across the two listings.
free
Browser extension that runs custom ChatGPT prompts on any selected text, using your own OpenAI API key for grammar fixes, summaries and translation.
VS
free
Browser-based writing assistant that improves grammar and clarity with one-click suggestions across websites.
Side-by-side
| Attribute | Prompt Selector | Write Brain |
|---|---|---|
| Rating | — | — |
| Reviews | — | — |
| Pricing | free | free |
| Votes | 0 | 0 |
| Category | AI Browsers | AI Creative Writing |
Features checklist
| Feature | Prompt Selector | Write Brain |
|---|---|---|
| Browser extension for custom ChatGPT prompts on selected text | ||
| using your OpenAI API key | ||
| Easy to use with one-click improvements | ||
| Works across various online platforms | ||
| Offers multiple writing improvement features | ||
| Helps improve grammar and clarity | ||
| May require internet connectivity | ||
| Effectiveness depends on the complexity of the text |