Supabase Realtime vs Stream: Which is Better in 2026?
Choosing between Supabase Realtime and Stream 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: Stream is our overall pick for API tools workflows. Pick Supabase Realtime if you need developer tools.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Supabase Realtime
Sync client state globally over WebSockets to build modern real-time web and mobile applications.
Best for you if:
- • You need developer tools features specifically
- • Synchronize client state globally using WebSockets for real-time applications.
- • Listen to database changes (inserts, updates, deletes) in real-time.
Stream
Add chat and activity feeds to your app
Best for you if:
- • You need API tools features specifically
- • Stream is an API for building scalable chat and activity feeds
- • It provides real-time messaging with moderation and customization
| At a Glance |  Supabase Realtime |  Stream |
|---|---|---|
Starts at | $10/month/moBasic | Free tier + paid plansFree tier available |
Best For | Developer Tools | API Tools |
Rating | - | - |
Choose Supabase Realtime or Stream?
Choose Supabase Realtime if
Sync client state globally over WebSockets to build modern real-time web and mobile applications.
- Simplifies real-time application development by abstracting backend complexity.
- Leverages existing Postgres knowledge and skills.
- Offers a fully integrated suite of tools within the Supabase ecosystem.
- Your work is developer tools-shaped, not API tools-shaped
Choose Stream if
Add chat and activity feeds to your app
- Chat and activity feeds
- Good APIs
- Active development
- Your work is API tools-shaped, not developer tools-shaped
| Feature | Supabase Realtime | Stream |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.7/5 33 reviews | ★4.5/5 75 reviews |
| Categories | Developer ToolsData & Databases | API ToolsCommunication |
In-Depth Analysis
Supabase Realtime
Sync client state globally over WebSockets to build modern real-time web and mobile applications.
Strengths
- +Simplifies real-time application development by abstracting backend complexity.
- +Leverages existing Postgres knowledge and skills.
- +Offers a fully integrated suite of tools within the Supabase ecosystem.
- +Scalable and dependable for growing applications.
- +Easy to set up and use with convenient APIs.
Weaknesses
- -Specific limitations on the number of concurrent connections or messages per second are not detailed, making it difficult to assess scalability for very high-traffic applications without further investigation.
- -The documentation does not explicitly mention advanced features like message queuing, message persistence beyond active subscriptions, or guaranteed message delivery, which might be crucial for certain enterprise-grade real-time applications.
- -Details on security features beyond basic access control (e.g., end-to-end encryption for broadcast messages, advanced authentication mechanisms for channels) are not highlighted, which could be a concern for highly sensitive data.
Key features
Stream
Add chat and activity feeds to your app
Strengths
- +Chat and activity feeds
- +Good APIs
- +Active development
- +Good documentation
- +Scalable
Weaknesses
- -Expensive at scale
- -MAU-based pricing
- -Learning curve
- -Vendor lock-in
- -Feature complexity
Key features
Pricing: Supabase Realtime vs Stream
| Plan | Supabase Realtime | Stream |
|---|---|---|
| Tier 1 | Free Free | Free Maker |
| Tier 2 | $10/month Basic | custom Scale |
| Tier 3 | $25/month Pro | custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Supabase Realtime pricing and Stream pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Supabase Realtime
Want the highest-rated option?
Neither has user reviews yet.
Go with: Supabase Realtime
Value user reviews?
Neither has user reviews yet.
Go with: Stream
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?
Supabase Realtime is a developer tools tool. Stream is in API tools. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Stream
- Larger review base (75 reviews)
- Free tier available
- Our pick for this comparison
Supabase Realtime
- Higher user rating: 4.7/5 vs 4.5/5
- Better fit for developer tools
The Bottom Line
Stream is our pick.
Frequently Asked Questions
Is Supabase Realtime or Stream better?
Stream is rated in our evaluation. Both are freemium.
What are Supabase Realtime and Stream used for?
Supabase Realtime: Sync client state globally over WebSockets to build modern real-time web and mobile applications.. Stream: Add chat and activity feeds to your app.
What does Supabase Realtime cost vs Stream?
Supabase Realtime is freemium (free tier + paid plans). Stream is freemium (free tier + paid plans). Visit their websites for detailed pricing.