Buffer
Heap
| Feature | Buffer | Heap |
|---|---|---|
| Pricing | Free / from $6/mo | Free only |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.4 / 5 | 4.3 / 5 |
| Best For | solopreneurs, small-businesses, creators, freelancers | product-teams, growth-marketers, ux-researchers, saas-companies |
| Founded | 2010 | 2013 |
| Scheduling | ✓ | ✗ |
| Analytics | ✓ | ✗ |
| Ai Assistant | ✓ | ✗ |
| Start Page | ✓ | ✗ |
| Multi Platform | ✓ | ✗ |
| Approval Workflows | ✓ | ✗ |
| Hashtag Manager | ✓ | ✗ |
| Auto Capture | ✗ | ✓ |
| Session Replay | ✗ | ✓ |
| Funnel Analysis | ✗ | ✓ |
| Retention Analysis | ✗ | ✓ |
| User Segments | ✗ | ✓ |
| Data Science | ✗ | ✓ |
| Integrations | ✗ | ✓ |
✓ Buffer Pros
- Clean and intuitive interface
- Affordable per-channel pricing
- AI Assistant for post suggestions
- Start page (link-in-bio) included
✗ Buffer Cons
- Analytics less detailed than Sprout Social
- Limited engagement/inbox features
- No social listening
✓ Heap Pros
- Auto-captures all user interactions without code
- Retroactive analysis (define events after the fact)
- Session replay integrated with analytics
- No engineering resources needed for tracking
✗ Heap Cons
- Pricing not transparent (sales-required for growth+)
- Can generate excessive data requiring cleanup
- UI can feel slower than event-based alternatives
The Verdict
Buffer is built for solopreneurs and small businesses, with a focus on scheduling and analytics. Heap targets product teams and growth marketers and leads with auto-capture and session-replay.
Heap uses custom enterprise pricing, while Buffer starts at $6/mo — a tangible advantage for teams with a fixed budget.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.