Just vs QuillBot
Which Writing AI tool is better in 2026?
Just
AI-powered real-time personalization for user-facing content
QuillBot
AI writing suite with the world's most popular paraphraser, grammar checker, and more
Side-by-side
QuillBot is the more established option (raised $4.3M); pricing is comparable on both sides.
| Metric | Just | QuillBot |
|---|---|---|
| Taglinei | AI-powered real-time personalization for user-facing content | AI writing suite with the world's most popular paraphraser, grammar checker, and more |
| Foundedi | 2023 | 2017🏆 |
| HQi | San Francisco, US | Chicago, United States |
| Employeesi | 1-10🏆 | — |
| Neuron scorei | 46 | 68🏆 |
| Total fundingi | $1.7M | $4.3M🏆 |
| Latest roundi | Seed | Acquisition · Aug 2021 |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✓ | ✓ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Just and QuillBot.
| Capability | Just | QuillBot |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Just
- Offers a free trial
- Newer company (2023)
🔵 Strengths of QuillBot
- Has raised more capital ($4.3M vs $1.7M)
- Higher Neuron score (68 vs 46)
- More mature (2017)
Which should you choose?
Choose QuillBot if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Writing tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose QuillBot if you want the most established option — it has raised $4.3M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Just vs QuillBot — which is better?
It depends on your priority. Just is the leaner option; QuillBot has broader feature depth. See the side-by-side table above.
Is Just cheaper than QuillBot?
No — QuillBot's cheapest paid plan is Free, while Just's is Free.
Do Just and QuillBot offer free plans?
Just: Yes, has a free plan. QuillBot: Yes, has a free plan.
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