SaaS · head to head
Heap vs Rasa

Rasa
Live Chat & Chatbots
Open-source framework for building conversational AI
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Heap no built-in A/B testing or feature flags; requires integration with separate tools for experimentation; Rasa free Developer Edition caps conversations at 1,000 external or 100 internal per company per month
- They diverge on capability: Heap covers Autocapture, Rasa covers NLU engine.
Where they differ
Only the attributes on which Heap and Rasa actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Heap
- Autocapture
- Retroactive analytics
- Session replay
- Funnel analysis
- User segmentation
- Path analysis
- Data science
- Virtual events
Only in Rasa
- NLU engine
- Dialogue management
- Multi-language support
- Testing tools
- Slack
- Teams
- Custom channels
- API
What people use each for
The jobs each tool is most often brought in to do.
Heap
- User behavior analysisnot Rasa
- Conversion optimizationnot Rasa
- Product adoptionnot Rasa
- Customer journey mappingnot Rasa
- A/B testing analysisnot Rasa
Rasa
- Developers self-hosting an open source conversational AI framework before needing enterprise scalenot Heap
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Heap
- No built-in A/B testing or feature flags; requires integration with separate tools for experimentation
- Group analytics and advanced features require a sales conversation, not self-serve
- Cloud-only deployment; no self-hosted option for data security or compliance requirements
- Session replay lacks developer debugging tools compared to PostHog
- Pricing for Growth and Pro plans requires direct sales contact; no transparency on how pricing scales
Rasa
- Free Developer Edition caps conversations at 1,000 external or 100 internal per company per month
- Rasa Pro and the Business Plan (Pro plus Studio) are not priced on the site and require contacting sales
Pricing, plan by plan
Heap
Free- FreeFree
- Up to 10,000 monthly sessions
- Basic charts
- 6 months data history
- Growth$undefined/custom
- Custom session pricing
- Sense AI assistant
- 12 months data history
- Pro$undefined/custom
- Custom session pricing
- Account analytics
- Engagement matrix
- Premier$undefined/custom
- Custom session pricing
- Data warehouse integration
- Unlimited projects
Rasa
Free- Open SourceFree
- Full framework access
- Community support
- Rasa Pro$50/month
- Additional tools
- Priority support
- Enterprise$undefined/month
- Advanced features
- Dedicated support
Which should you pick?
Choose Heap if
- You need autocapture.
- You want to start without paying.
- You work on Web, iOS, Android.
- You also want retroactive analytics.
Choose Rasa if
- You need nlu engine.
- You want to start without paying.
- You work on On-premise, Cloud deployment, Docker, Kubernetes.
- You also want dialogue management.
Questions people ask
- Is Heap or Rasa better?
- Neither clearly leads. Heap starts at Free and Rasa at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Heap or Rasa?
- Heap starts at Free and Rasa at Free.
- Does Heap or Rasa run on more platforms?
- Heap runs on Web, iOS, Android. Rasa runs on On-premise, Cloud deployment, Docker, Kubernetes.
- Can I use Heap for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Heap best used for?
- Heap is most often used for user behavior analysis, conversion optimization, product adoption, customer journey mapping. Of those, user behavior analysis and conversion optimization are not what Rasa is typically brought in for.
- What can Heap do that Rasa cannot?
- Heap covers Autocapture, Retroactive analytics, Session replay, Funnel analysis. Rasa covers NLU engine, Dialogue management, Multi-language support, Testing tools.
Answered from the vendors’ own pages
Heap: What does Heap's autocapture feature do?
Heap's autocapture is a single code snippet that automatically captures every click, swipe, tap, pageview, and form fill on your website and apps without requiring manual event setup. Once installed, Heap captures the entire digital experience of every user on every platform with no ongoing engineering maintenance needed.
SourceHeap: What are Heap's pricing plans and how much do they cost?
Heap offers a Free plan for up to 10,000 monthly sessions. Growth, Pro, and Premier plans use custom session-based pricing that requires contacting sales for a quote. Free includes basic charts and 6 months data history. Growth adds the Sense AI assistant. Pro adds account analytics. Premier adds data warehouse integration and dedicated customer success management.
SourceHeap: Does Heap include session replay and A/B testing?
Heap includes integrated session replay showing exactly what users did on your site. However, Heap does not include built-in A/B testing or feature flags. Teams requiring these capabilities must use separate tools or integrate with third-party platforms.
SourceHeap: What integrations does Heap support?
Heap supports over 100 integrations connecting to business tools including marketing platforms, CRMs, and data warehouses. This allows insights to reach relevant teams and ensures data flows to other business systems automatically.
SourceHeap: Does Heap offer self-hosting or is it cloud-only?
Heap is cloud-only and does not offer self-hosted options. Organizations requiring on-premises deployment should consider alternatives like PostHog which supports self-hosting alongside its cloud product.
SourceHeap: What is Sense and how does it help with analytics?
Sense Chat is Heap's AI assistant that enables users to access analytics without extensive technical knowledge. It allows teams to ask questions about user behavior and get answers directly without lengthy onboarding or technical expertise, making insights more accessible to non-technical stakeholders.
SourceRelated pages
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- Rasa vs Intercom
- Rasa vs Mixpanel
- Rasa vs Canny
- Rasa vs Drift
- Rasa vs Pendo
- Rasa vs Close
- Rasa vs Userpilot
- Rasa vs Zendesk Sunshine Conversations
- Rasa vs Amazon Lex
- Rasa vs Botpress
- Rasa vs Crisp
- Rasa vs Google Dialogflow
- Rasa vs Tidio
- Rasa vs IBM Watson Assistant
- Rasa vs Landbot
- Rasa vs ManyChat
- Rasa vs Bold360
- Rasa vs Gorgias
- Rasa vs HubSpot Live Chat
- Rasa vs Kore.ai
- Rasa vs LiveChat
- Rasa vs Olark
- Rasa vs Yellow.ai
- Rasa vs Zendesk Answer Bot
- Rasa vs Acquire

