kitio.aiKlaviyo vs Adgentek
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Adgentek is completely free, while Klaviyo is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Email and SMS campaigns
- Automated flows
- Predictive analytics
- AI campaign builder
- Shopify integration
- Context-matched native ads
- Labeled sponsored slots
- Parallel ad requests
- Four tiers of demand
- JavaScript SDK
| Feature | Klaviyo | Adgentek |
|---|---|---|
| Best for | Email and SMS marketing for ecommerce with AI agents | Ad server that shows labeled native ads inside AI apps and chatbots |
| Category | Marketing | Marketing |
| Pricing model | Freemium | Free |
| Starting price | $20/mo | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Klaviyo | Adgentek |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Adgentek is completely free, while Klaviyo is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- Up to 250 active profiles
- 500 email sends/month
- $5 of mobile messages/month
- Built-in reporting
Email
$20/mo
- Starting price, scales with profiles
- Email marketing and flows
Email and SMS
$35/mo
- Starting price, scales with profiles
- Email plus SMS/MMS credits
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
Klaviyo
- Deep ecommerce data
- Strong automation
- Good AI features
- Costs climb with list size
- Overkill for non-ecommerce
Adgentek
- Raw conversations never shared with buyers
- Does not slow model responses
- No traffic minimum or exclusivity
- Revenue share terms are not published
- Ads may still bother some users
- Only fits apps with conversational traffic
Which one should you choose?
Choose Klaviyo if you want:
- Deep ecommerce data
- Strong automation
- Good AI features
Watch out: costs climb with list size.
Choose Adgentek if you want:
- Raw conversations never shared with buyers
- Does not slow model responses
- No traffic minimum or exclusivity
Watch out: revenue share terms are not published.
Klaviyo vs Adgentek FAQ
What is the difference between Klaviyo and Adgentek?
Klaviyo: Email and SMS marketing for ecommerce with AI agents. Adgentek: Ad server that shows labeled native ads inside AI apps and chatbots. Both are marketing tools.
Is Klaviyo or Adgentek cheaper?
Adgentek is completely free, while Klaviyo is freemium.
Do Klaviyo and Adgentek have free plans?
Klaviyo: Yes. Adgentek: Yes, fully free.
Who makes Klaviyo?
Klaviyo is made by Klaviyo, based in United States.
Who makes Adgentek?
Adgentek is made by Adgentek.
Which should I choose, Klaviyo or Adgentek?
Choose Klaviyo if you value deep ecommerce data and strong automation. Choose Adgentek if you value raw conversations never shared with buyers and does not slow model responses.