FullSession vs Heap: Which is Better in 2026?
Choosing between FullSession and Heap comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Heap is our overall pick for product analytics workflows. Pick FullSession if you need web analytics.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
FullSession
AI-driven session replay and analytics to identify user struggles, prioritize fixes, and track results.
Best for you if:
- • You need web analytics features specifically
- • Identifies user struggles with AI-driven session replay and analytics.
- • Prioritizes fixes based on impact and tracks results over time.
Heap
Automatic product analytics for user behavior insights
Best for you if:
- • You need product analytics features specifically
- • Heap is a digital analytics platform that captures all user interactions automatically
- • It provides retroactive analytics without manual event tracking for product insights
| At a Glance |  FullSession |  Heap |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Web Analytics | Product Analytics |
Rating | - | 4.4/5 |
Free plan | Yes | Yes |
Choose FullSession or Heap?
Choose FullSession if
AI-driven session replay and analytics to identify user struggles, prioritize fixes, and track results.
- Provides clear visual evidence of user struggles
- Helps prioritize high-impact fixes with AI guidance
- Facilitates faster debugging by connecting errors to sessions
- Your work is web analytics-shaped, not product analytics-shaped
Choose Heap if
Automatic product analytics for user behavior insights
- Auto-capture
- Retroactive data
- Easy setup
- Your work is product analytics-shaped, not web analytics-shaped
| Feature | FullSession | Heap |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | No ratings yet | ★4.4/5 1,129 reviews |
| Categories | Web AnalyticsProduct Analytics | Product AnalyticsWeb Analytics |
In-Depth Analysis
FullSession
AI-driven session replay and analytics to identify user struggles, prioritize fixes, and track results.
Strengths
- +Provides clear visual evidence of user struggles
- +Helps prioritize high-impact fixes with AI guidance
- +Facilitates faster debugging by connecting errors to sessions
- +Ensures strong data privacy and compliance (GDPR, CCPA, PCI)
- +Minimizes website performance impact with lightweight SDK
Weaknesses
- -No specific cons mentioned in the provided text.
Key features
Heap
Automatic product analytics for user behavior insights
Strengths
- +Auto-capture
- +Retroactive data
- +Easy setup
Weaknesses
- -Data can be noisy
- -Enterprise pricing
Key features
Pricing: FullSession vs Heap
| Plan | FullSession | Heap |
|---|---|---|
| Tier 1 | Free forever Free | Free Free |
| Tier 2 | Starting from $29 /month Growth | $300 Growth |
| Tier 3 | Starting from $349 /month Professional | Custom Pro |
| Tier 4 | Contact us Enterprise | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on FullSession pricing and Heap pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: FullSession
Want the highest-rated option?
Heap is rated 4.4/5. FullSession has no ratings yet.
Go with: Heap
Value user reviews?
FullSession: no ratings yet. Heap: 1,129 reviews (4.4/5).
Go with: Heap
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
FullSession is a web analytics tool. Heap is in product analytics. Pick the category that matches your needs.
How important are ratings?
Heap is rated 4.4/5; FullSession has no ratings yet.
Key Takeaways
Heap
- Free tier available
- Our pick for this comparison
FullSession
- Better fit for web analytics
The Bottom Line
Heap is our pick.
Frequently Asked Questions
Is FullSession or Heap better?
Heap is rated in our evaluation. Both are freemium.
What are FullSession and Heap used for?
FullSession: AI-driven session replay and analytics to identify user struggles, prioritize fixes, and track results.. Heap: Automatic product analytics for user behavior insights.
What does FullSession cost vs Heap?
FullSession is freemium (free tier + paid plans). Heap is freemium (free tier + paid plans). Visit their websites for detailed pricing.