kitio.aiLiner vs AyeSoul
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Liner starts at $17.99/mo and AyeSoul 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
- Cited answers
- Scholar search
- Research agents
- Web highlighter
- Search API
- Live web search
- Deep research mode
- Automatic model selection
- Generative UI answers
- Writing and coding help
| Feature | Liner | AyeSoul |
|---|---|---|
| Best for | AI research search with line-level citations and a web highlighter | AI answer engine for web search, deep research and everyday tasks |
| Category | Research & search | Research & search |
| Pricing model | Freemium | Freemium |
| Starting price | $17.99/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Liner | AyeSoul |
| Based in | South Korea | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Liner starts at $17.99/mo and AyeSoul starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- Unlimited Advanced Search
- 1 file upload per day
- Answers with ads
Pro
$17.99/mo
- 300+ AI models
- All Liner products
- Ad-free search
Max
$35.99/mo
- Everything in Pro
- Higher usage limits
Team
$26.99/mo
- Per seat, 2-20 members
- Everything in Max
- Admin controls and central billing
- Team data excluded from training
Enterprise
Contact sales
- Dedicated manager
- Audit logs
- Volume discounts
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
Liner
- Sentence-level citations
- Good academic focus
- Handy browser extension
- Free plan limits uploads
- Many overlapping features
AyeSoul
- Free to start
- Search, research and writing in one place
- Uses live information
- Little public detail on plans
- Smaller and less proven than major AI search engines
Which one should you choose?
Choose Liner if you want:
- Sentence-level citations
- Good academic focus
- Handy browser extension
Watch out: free plan limits uploads.
Choose AyeSoul if you want:
- Free to start
- Search, research and writing in one place
- Uses live information
Watch out: little public detail on plans.
Liner vs AyeSoul FAQ
What is the difference between Liner and AyeSoul?
Liner: AI research search with line-level citations and a web highlighter. AyeSoul: AI answer engine for web search, deep research and everyday tasks. Both are research & search tools.
Is Liner or AyeSoul cheaper?
Liner starts at $17.99/mo and AyeSoul starts at See pricing page. Check both pricing pages for current plans.
Do Liner and AyeSoul have free plans?
Liner: Yes. AyeSoul: Yes.
Who makes Liner?
Liner is made by Liner, based in South Korea.
Who makes AyeSoul?
AyeSoul is made by AyeSoul.
Which should I choose, Liner or AyeSoul?
Choose Liner if you value sentence-level citations and good academic focus. Choose AyeSoul if you value free to start and search, research and writing in one place.