Quick answer: Unbounce fits serious experimentation, Instapage fits paid-media collaboration, Landingi balances campaign tools, Leadpages fits smaller lead-generation programs, and Carrd fits inexpensive simple pages.
How this category was evaluated
We compared publishing speed, responsive editing, forms, domains, traffic limits, experiments, analytics, dynamic content, integrations, exports, collaboration, and total campaign cost.
- Define the job, owner, and authoritative record before comparing features.
- Price the tier that contains the required capability at your expected scale.
- Test exports, permissions, and failure paths before migration.
Product comparison
| Product | Best for | Published pricing | Main limitation |
|---|---|---|---|
| Unbounce | Landing pages and conversion experiments | Starter $29/month; experiment tiers cost more | Advanced testing requires higher tiers |
| Instapage | Paid-media landing-page collaboration | Paid plans and custom enterprise options | Premium cost for small campaigns |
| Landingi | Campaign pages with testing options | Tiered plans and trial | Limits vary by traffic/domains |
| Leadpages | Lead capture for small businesses | Paid tiers and trial | Less design freedom than advanced builders |
| Carrd | Simple one-page sites | Free entry and inexpensive Pro tiers | Not a specialist experimentation suite |
When each product fits
Unbounce
Landing pages and conversion experiments. Starter $29/month; experiment tiers cost more. Advanced testing requires higher tiers. Check the live regional plan, limits, and billing period before buying.
Instapage
Paid-media landing-page collaboration. Paid plans and custom enterprise options. Premium cost for small campaigns. Check the live regional plan, limits, and billing period before buying.
Landingi
Campaign pages with testing options. Tiered plans and trial. Limits vary by traffic/domains. Check the live regional plan, limits, and billing period before buying.
Leadpages
Lead capture for small businesses. Paid tiers and trial. Less design freedom than advanced builders. Check the live regional plan, limits, and billing period before buying.
Carrd
Simple one-page sites. Free entry and inexpensive Pro tiers. Not a specialist experimentation suite. Check the live regional plan, limits, and billing period before buying.
A practical buying test
Rebuild one paid-campaign page, connect the real form and analytics, test mobile, submit invalid data, verify thank-you and privacy states, and run an experiment only if traffic can support a decision.
Final selection framework
Unbounce fits serious experimentation, Instapage fits paid-media collaboration, Landingi balances campaign tools, Leadpages fits smaller lead-generation programs, and Carrd fits inexpensive simple pages.
Continue with related guide and related guide.
Where Project-B fits
Project-B — Inciver’s Business Creation Platform. Project-B can build and publish business pages within its connected workflow, but it does not claim specialist A/B testing or conversion-optimization functionality.
Official product sources checked
unbounce.com, instapage.com, landingi.com, leadpages.com, carrd.co. Recheck regional pricing and availability at purchase time.