kitio.aiQuillBot vs Thundercontent
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. QuillBot starts at $19.95/mo and Thundercontent starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Paraphraser with multiple modes
- Grammar checker
- Summarizer
- AI detector
- Citation generator
- AI writer with 90+ copywriting tools
- AI chat assistant
- 250+ AI voices
- AI video editor
- AI book creation
- 140+ languages
| Feature | QuillBot | Thundercontent |
|---|---|---|
| Best for | Paraphraser with grammar checker, summarizer and citation tools | AI writer, chat, voice and video tools in one platform |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | $19.95/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Learneo | Thundercontent |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
QuillBot starts at $19.95/mo and Thundercontent starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- 125-word paraphrases
- 2 paraphrasing modes
- Grammar checker
Premium
$19.95/mo
- Unlimited paraphrasing
- All modes
- Advanced grammar suggestions
Team
Contact sales
- Everything in Premium
- Multiple users, one purchase
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
QuillBot
- Many rewrite modes to choose from
- Generous free tier
- Several writing tools under one login
- Free plan limits word count per paraphrase
- Rewrites can change the meaning
- Heavy use raises academic integrity questions
Thundercontent
- Several content tools under one account
- Works in 140+ languages
- 5-day money-back guarantee
- Pricing is split by product and confusing
- Heavy use needs the unlimited tiers
- Little detail on the video editor
Which one should you choose?
Choose QuillBot if you want:
- Many rewrite modes to choose from
- Generous free tier
- Several writing tools under one login
Watch out: free plan limits word count per paraphrase.
Choose Thundercontent if you want:
- Several content tools under one account
- Works in 140+ languages
- 5-day money-back guarantee
Watch out: pricing is split by product and confusing.
QuillBot vs Thundercontent FAQ
What is the difference between QuillBot and Thundercontent?
QuillBot: Paraphraser with grammar checker, summarizer and citation tools. Thundercontent: AI writer, chat, voice and video tools in one platform. Both are writing tools.
Is QuillBot or Thundercontent cheaper?
QuillBot starts at $19.95/mo and Thundercontent starts at See pricing page. Check both pricing pages for current plans.
Do QuillBot and Thundercontent have free plans?
QuillBot: Yes. Thundercontent: Yes.
Who makes QuillBot?
QuillBot is made by Learneo, based in United States.
Who makes Thundercontent?
Thundercontent is made by Thundercontent.
Which should I choose, QuillBot or Thundercontent?
Choose QuillBot if you value many rewrite modes to choose from and generous free tier. Choose Thundercontent if you value several content tools under one account and works in 140+ languages.