Memfault vs Sentry: Which is Better in 2026?
Choosing between Memfault and Sentry 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.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Memfault
Embedded observability and OTA for IoT devices to fix defects before customers notice.
Best for you if:
- • Provides real-time observability for all types of embedded and IoT devices.
- • Automates crash data collection, debugging, and root cause analysis for in-field issues.
Sentry
Application monitoring & error tracking
Best for you if:
- • Error tracking for developers
- • Performance monitoring
| At a Glance |  Memfault |  Sentry |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Monitoring | Monitoring |
Rating | 4.7/5 | 4.5/5 |
Choose Memfault or Sentry?
Choose Memfault if
Embedded observability and OTA for IoT devices to fix defects before customers notice.
- Significantly reduces time spent on debugging and issue resolution
- Minimizes device returns and costly field visits
- Increases confidence and control over firmware updates
Choose Sentry if
Application monitoring & error tracking
- Excellent error grouping
- Good integrations ecosystem
- Useful context in errors
| Feature | Memfault | Sentry |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.7/5 22 reviews | ★4.5/5 265 reviews |
| Categories | MonitoringDebugging | MonitoringDebugging |
In-Depth Analysis
Memfault
Embedded observability and OTA for IoT devices to fix defects before customers notice.
Strengths
- +Significantly reduces time spent on debugging and issue resolution
- +Minimizes device returns and costly field visits
- +Increases confidence and control over firmware updates
- +Provides data-driven insights for product development and roadmap decisions
- +Improves customer satisfaction by proactively addressing issues
Weaknesses
- -Requires integration into embedded device firmware
- -Specific pricing details are not publicly available
Key features
Sentry
Application monitoring & error tracking
Strengths
- +Excellent error grouping
- +Good integrations ecosystem
- +Useful context in errors
- +Free tier available
Weaknesses
- -Can be expensive at scale
- -Complex setup for some features
- -UI can be overwhelming
Key features
Pricing: Memfault vs Sentry
| Plan | Memfault | Sentry |
|---|---|---|
| Tier 1 | Free / month Developer | Free Developer |
| Tier 2 | $3,495 / month Growth | $26 month (annual) Team |
| Tier 3 | $6,695 / month Scale | $80 month (annual) Business |
| Tier 4 | Custom / month Enterprise | custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Memfault pricing and Sentry pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Memfault
Want the highest-rated option?
Memfault: 4.7/5 (22 reviews). Sentry: 4.5/5 (265 reviews).
Go with: Memfault
Value user reviews?
Memfault: 22 reviews (4.7/5). Sentry: 265 reviews (4.5/5).
Go with: Sentry
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?
Both are monitoring tools. Compare their specific features to decide.
How important are ratings?
Memfault is rated higher: 4.7/5 vs 4.5/5.
Key Takeaways
Sentry
- Larger review base (265 reviews)
- Free tier available
- Our pick for this comparison
Memfault
- Higher user rating: 4.7/5 vs 4.5/5
The Bottom Line
Sentry is our pick.
Frequently Asked Questions
Is Memfault or Sentry better?
Sentry is rated in our evaluation. Both are freemium.
What are Memfault and Sentry used for?
Memfault: Embedded observability and OTA for IoT devices to fix defects before customers notice.. Sentry: Application monitoring & error tracking.
What does Memfault cost vs Sentry?
Memfault is freemium (free tier + paid plans). Sentry is freemium (free tier + paid plans). Visit their websites for detailed pricing.