QuillBot
Ulysses
| Feature | QuillBot | Ulysses |
|---|---|---|
| Pricing | Free / from $9.95/mo | From $5.99/mo |
| Free Plan | ✓ Yes | ✗ No |
| Rating | 4.3 / 5 | 4.4 / 5 |
| Best For | students, academics, non-native-speakers, writers, researchers | bloggers, journalists, apple-users, writers |
| Founded | 2017 | 2013 |
| Paraphrasing | ✓ | ✗ |
| Grammar Check | ✓ | ✗ |
| Summarizer | ✓ | ✗ |
| Translator | ✓ | ✗ |
| Citation Generator | ✓ | ✗ |
| Browser Extension | ✓ | ✗ |
| Word Plugin | ✓ | ✗ |
| Markdown Editor | ✗ | ✓ |
| Library Management | ✗ | ✓ |
| Publishing | ✗ | ✓ |
| Goals | ✗ | ✓ |
| Icloud Sync | ✗ | ✓ |
| Themes | ✗ | ✓ |
✓ QuillBot Pros
- Excellent paraphrasing with multiple modes
- Integrated grammar checker
- Works within Google Docs and Word
- Affordable premium plan
✗ QuillBot Cons
- Paraphrasing can change meaning
- Free tier limits paragraph length
- Less powerful than full AI assistants
✓ Ulysses Pros
- Beautiful interface
- Markdown support
- iCloud sync
- Direct publishing
✗ Ulysses Cons
- Apple only
- Subscription model
- Limited formatting
The Verdict
QuillBot is built for students and academics, with a focus on paraphrasing and grammar-check. Ulysses targets bloggers and journalists and leads with markdown-editor and library-management.
Pricing is close: Ulysses starts at $5.99/mo versus $9.95/mo for QuillBot — not a deciding factor on its own.
QuillBot has a free plan, which gives it a meaningful edge for individuals and small teams exploring their options. Ulysses requires a paid subscription from day one.
Feature-wise, QuillBot offers broader built-in capabilities (7 features vs 6), while Ulysses takes a more focused approach — which can mean a simpler, faster onboarding experience.
Both tools are a solid fit for writers — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.