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.
Bottom line: Sentry wins this matchup. Our overall Monitoring pick is Better Uptime. Our free Monitoring pick is Spiceworks. Pick Memfault if you need a free tier to start with.
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:
- • You want significantly reduces time spent on debugging and issue resolution
- • You want minimizes device returns and costly field visits
Sentry
Application monitoring & error tracking
Best for you if:
- • You want excellent error grouping
- • You want good integrations ecosystem
| At a Glance | Memfault | Sentry |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Monitoring | Monitoring |
Rating | 4.7/5 | 4.6/5 |
Free plan | Yes | Yes |
Choose Memfault or Sentry?
Choose Memfault if
Embedded observability and OTA for IoT devices to fix defects before customers notice.
- You want significantly reduces time spent on debugging and issue resolution
- You want minimizes device returns and costly field visits
Choose Sentry if
Application monitoring & error tracking
- You want excellent error grouping
- You want good integrations ecosystem
| Feature | Memfault | Sentry |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.7/5 22 reviews | ★4.6/5 297 reviews |
| Categories | MonitoringDebugging | MonitoringDebugging |
In-Depth Analysis
Memfault
Embedded observability and OTA for IoT devices to fix defects before customers notice.
Memfault's pricing is on the expensive side for smaller teams, with the Growth tier starting at $3,495/month.
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
Sentry is the error tracking standard for development teams, and its pricing is reasonable at low volumes but scales aggressively with event count.
Watch out
Error volume overages: Team and Business include 50K errors. Each additional 50K costs a flat rate that varies by plan. A medium-traffic app generating 500K errors/mo on Team pays significantly more than the $26 base price
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: 4.6/5 (297 reviews).
Go with: Memfault
Value user reviews?
Memfault: 22 reviews (4.7/5). Sentry: 297 reviews (4.6/5).
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 4.6/5.
Key Takeaways
Sentry
- Larger review base (297 reviews)
- Free tier available
- Our pick for this comparison
Memfault
- Higher user rating: 4.7/5 vs 4.6/5
The Bottom Line
Sentry wins this matchup. Our overall Monitoring pick is Better Uptime. Our free Monitoring pick is Spiceworks.
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.