Head-to-head · Pop-Up Builder Software
Claspo vs OptinMonster
Claspo leads on 1 check, OptinMonster on 0, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreClaspo · 7.8/10
- Free planonly Claspo
Claspo scores higher on our rubric for pop-up builder software: 7.8 against 6.8 out of 10; our editors rank them #3 and #8.
Claspo offers free plan; OptinMonster doesn't.
Claspo is the better fit for AI-assisted popup building and testing. OptinMonster is the better fit for mature lead capture and lead routing.
- Claspo fits best
AI-assisted popup building and testing
- OptinMonster fits best
Mature lead capture and lead routing
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Side by side
| Feature | Claspo 7.8/10 Visit ↗ | OptinMonster 6.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.8 | 6.8 |
| Ranking | #3 in Pop-Up Builder Software | #8 in Pop-Up Builder Software |
| Best for | AI-assisted popup building and testing | Mature lead capture and lead routing |
| Pricing model | Free plan + paid | Paid |
| Starting price | Not published | $21/mo |
| Free plan | ✓ (best) | — |
| Free trial | — | — |
| Deployment | Cloud | Cloud |
| Platforms | Web | Web |
| Integrations | 12 integrations | 15 integrations |
| Features Claspo 1/5 · OptinMonster 1/5 | ||
| Audience targeting | Not published | Not published |
| A/B testing | ✓ | ✓ |
| Geo-targeting | Not published | Not published |
| Lead capture forms | Not published | Not published |
| Custom CSS | Not published | Not published |
| Specs | ||
| Campaign formats | Not published | Not published |
| Trigger types | Not published | Not published |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | Claspo is a web-based popup builder for online businesses focused on lead capture, email list growth, opt-ins, and sales. Its drag-and-drop editor supports popups, floating boxes, floating bars, embedded widgets, fullscreen layouts, and… Read the review → |
OptinMonster is a web-based lead-generation and conversion optimization platform for marketers, small businesses, agencies, publishers, and ecommerce websites. It supports lightbox popups, fullscreen campaigns, floating bars, slide-ins,… Read the review → |
Strengths and trade-offs
Claspo — where it wins
- Free plan includes all features, unlimited widgets, and unlimited team members
- Advanced targeting, multi-step forms, gamification, and A/B testing
- Integrates with WordPress, Shopify, CRMs, email tools, and webhooks
Where it doesn't
- Free plan supports up to one website
- The Free plan includes a Powered by Claspo badge
- Enterprise pricing uses custom terms and contracts
OptinMonster — where it wins
- Broad popup formats with behavioral, page, device, and geolocation targeting
- Lead sharing, automated distribution, TruLead verification, and webhooks
- A/B testing, conversion analytics, revenue attribution, and AI copywriting
Where it doesn't
- No free plan for ongoing use
- Advanced capabilities are split across higher-tier plans
- The broad feature set may exceed the needs of simple popup campaigns
- Claspo7.8/10 · Free plan · 14-day trial
A broad popup toolkit with AI assistance, targeting, testing, and a free plan.
Visit ClaspoFull verdict → - OptinMonster6.8/10 · From $21/mo
A mature popup platform with advanced targeting, routing, testing, and attribution.
Visit OptinMonsterFull verdict →
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All Pop-Up builder software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
Last updated · How we research and update







