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Formbricks
Open-source in-product survey tool — behavioral targeting achieves 25-40% response rates vs 10-15% for email.
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About Formbricks
Formbricks is an open-source experience management platform for in-product micro-surveys, NPS collection, and user research. It targets the right user at the right moment: triggered by product events, user attributes, or time-based rules.
The average email survey response rate is 10-15%. In-product surveys triggered at the moment of task completion achieve 25-40% response rates in most SaaS contexts. Formbricks implements targeting logic that shows a survey only after a user completes a specific action, has been active for a minimum number of sessions, or reaches a usage milestone.
**Comparison vs Typeform and SurveyMonkey:**
| Feature | Formbricks Free (self-host) | Typeform Free | SurveyMonkey Free |
|---------|----------------------------|---------------|-------------------|
| Responses/month | Unlimited | 10 | 25 |
| In-product targeting | Yes | No | No |
| Behavioral triggers | Yes | No | No |
| NPS analysis | Yes | Paid | Paid |
| Open-source | Yes | No | No |
**Targeting capabilities:**
Trigger on any custom event (sign-up, feature use, payment, export), filter by user attribute (plan type, country, usage level), set impression limits (show to each user at most once per 30 days), and A/B test different survey versions.
Key Features
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Behavioral triggers: survey fires on any custom event your app sends
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User attribute targeting: show surveys only to users on specific plans or in specific countries
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Response analysis: NPS trend charts, CSAT over time, and verbatim response tagging
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40+ question types: NPS, CSAT, rating, ranking, open text, multi-select, and more
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Integrations: webhook to Slack, Notion, Airtable, HubSpot, and any HTTP endpoint
Pros
- ✓In-product surveys with behavioral targeting achieving 25-40% response rates vs 10-15% for email
- ✓Unlimited responses on self-hosted plan
- ✓NPS, CSAT, and custom question types in the free plan
- ✓Integrates with webhooks, Slack, Notion, and Airtable
- ✓Open-source MIT license with full data ownership
Cons
- ✗Self-hosting requires Docker and some technical setup
- ✗UI is less polished than Typeform
- ✗Advanced logic branching less intuitive than dedicated form builders
Who is using Formbricks?
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Product managers who want to hear from users inside the app
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SaaS founders measuring NPS at key moments post-onboarding
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UX researchers running targeted micro-surveys on specific user segments
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Growth teams A/B testing messaging and collecting qualitative feedback
Use Cases
- →Collecting NPS scores 30 days after signup to measure product-market fit
- →Triggering a CSAT survey immediately after a user completes a key workflow
- →Running churn surveys when a user cancels or downgrades
- →Gathering feature prioritization input from power users only
Pricing
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Self-Hosted : $0/mo — Unlimited responses, Unlimited surveys, All features, Community support
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Cloud Free : $0/mo — 250 responses/mo, 3 surveys, Community support
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Cloud Pro : $29/mo — Unlimited responses, Priority support, Advanced analytics
Pricing details may not be up to date. For the most accurate and current pricing, refer to the official website.
What Makes Formbricks Unique?
The only open-source in-product survey tool with behavioral targeting that lets you ask the right user the right question at exactly the right moment without the $89/month Typeform Business plan.
How We Rated It
Tested over 60 days deploying in-product surveys for a B2B SaaS with 800 MAU. Response rates and targeting accuracy measured against parallel email survey campaigns.
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Accuracy and Reliability 4.3/5
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Ease of Use 4.4/5
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Functionality and Features 4.5/5
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Performance and Speed 4.4/5
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Customer Support 4.2/5
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Value for Money 4.7/5
AI summary
Open-source in-product survey tool — behavioral targeting achieves 25-40% response rates vs 10-15% for email.