Prometheus vs Sentry: Which Monitoring & Observability Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction — side by side, with no marketing spin.
The Short Answer
Prometheus vs Sentry, in 15 seconds
Choose Prometheus if…
- You prefer Prometheus's approach and ecosystem
Choose Sentry if…
- You want to trial before paying
- You depend on a broad integration ecosystem
- You want deeper AI and automation features
- You have strict security & compliance needs
Head-to-Head Scorecard
How Prometheus and Sentry score
Sentry leads on 5 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
PrometheusNo reviewsSentryNo reviews - Even
Review Volume
Number of verified reviews — a proxy for adoption
Prometheus0Sentry0 - Even
Entry Pricing
Lowest published starting price (free plan = lowest)
Prometheus$0/moSentry$26/mo - Sentry
Free Access
Availability of a free plan and/or free trial
PrometheusFree planSentryFree plan + trial - Sentry
Integrations
Number of listed third-party integrations
Prometheus6Sentry8 - Sentry
Features
Number of listed product capabilities
Prometheus0Sentry11 - Sentry
AI Features
Capabilities mentioning AI, automation or ML
Prometheus—Sentry1 - Sentry
Security & Compliance
Number of listed compliance certifications
Prometheus1Sentry4 - Prometheus
Platforms & Deployment
Supported platforms and deployment options
Prometheus6Sentry3
Feature Comparison
Prometheus vs Sentry feature breakdown
Search or filter the full feature matrix — core features, AI, integrations, APIs, security and compliance.
Prometheus
SentryPricing Comparison
Prometheus vs Sentry pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
Prometheus
$0/mo to start- PromQL queries
- Time-series metrics
- Self-hosted
- Exporters
- High availability
- Long-term storage
- Integrations
- Support
Sentry
$26/mo to start- 1 user
- 5,000 errors/month
- 30-day lookback
- Core error tracking
- Unlimited users
- 50,000 errors included
- 90-day retention
- Performance & replay (metered)
- Everything in Team
- Unlimited dashboards
- Anomaly detection
- SAML SSO & SCIM
- Custom event volume
- Advanced security & compliance
- Priority support
- Volume pricing
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
Prometheus vs Sentry: strengths and trade-offs
Prometheus
Pros
- Free plan available
- Lower starting price ($0/mo)
- Compliance: Open Source
- Public API available
Cons
- Fewer native integrations than the alternative
Sentry
Pros
- Free plan available
- Free trial offered
- Broad integration ecosystem (8)
- Compliance: SOC 2 Type II, ISO 27001, GDPR
- Stronger AI / automation features
- Public API available
Cons
- Higher starting price ($26/mo)
Buyer Fit
Who should use Prometheus vs Sentry?
Startups
Either
Either keeps early-stage costs lowest with its entry tier.
Small businesses
Either
Either offers the most accessible pricing for lean teams.
Agencies
Sentry
Sentry connects to more tools for multi-client workflows.
Enterprises
Sentry
Sentry leads on compliance and breadth for complex needs.
Ecommerce
Sentry
Sentry integrates with more of the commerce stack.
SaaS companies
Sentry
Sentry is the more developer- and automation-friendly choice.
Integration overlap
Only in Prometheus (6)
Only in Sentry (8)
Keep Exploring
Other alternatives worth considering
Similar monitoring & observability products buyers compare alongside Prometheus and Sentry.
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs Prometheus and Sentry against your team size, budget, integrations and compliance needs — then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationPrometheus vs Sentry — Frequently Asked Questions
What is the difference between Prometheus and Sentry?
Prometheus and Sentry are both Monitoring & Observability solutions. Prometheus is rated 0.0/5 by 0 users, while Sentry is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, Prometheus or Sentry?
Based on user ratings, Prometheus scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, Prometheus or Sentry?
Prometheus is the more affordable option, starting at $0/month.
Does Prometheus or Sentry have a free plan?
Prometheus offers a free plan. does not have a free tier but does offer a free trial.
Can I switch from Prometheus to Sentry?
Switching between Prometheus and Sentry is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use Prometheus vs Sentry?
Prometheus is best suited for teams that prioritise enterprise features. Sentry works well for teams looking to start free and scale.
Our Verdict
The bottom line on Prometheus vs Sentry
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
Either
It's a tie has the friendliest entry point for new teams.
Best for Enterprise
Sentry
Sentry leads on compliance and feature breadth.
Best Value
Either
It's a tie delivers the lowest cost to get started.
Best AI Features
Sentry
Sentry ships more AI and automation.
Highest Rated
Either
Both earn equal user ratings.