CloudKnife vs Sentry
CloudKnife and Sentry are both uptime & monitoring tools. CloudKnife is aimed at developers and small businesses, while Sentry is aimed at developers. Both have a free plan.
Azure FinOps tool that finds waste and applies approved fixes
Error and performance monitoring
| Pricing | Freemium | Freemium · $29 |
| Starting price | Not published | $29/mo |
| Free plan | Yes | Yes |
| Free trial | 14 days | 14 days |
| Built for | Developers, Small businesses, Enterprise | Developers |
| Platforms | web | web |
| Country | BE | US · 2012 |
| Rating | — | — |
Choose CloudKnife if
Azure-centric companies, especially in Europe, that want cost recommendations with evidence and help executing them.
- Every recommendation shows its reasoning and data
- Changes start as proposals you approve, automation is opt-in
- Free plan for Azure spend up to €5k a month
Look elsewhere if: Teams running mostly on AWS or Google Cloud, or wanting cost data inside an existing observability stack (Datadog).
Choose Sentry if
Engineering teams of any size that want to know when and why code breaks.
- Best developer experience for debugging errors
- SDKs for everything
- Free tier for individuals
Look elsewhere if: Infrastructure metrics and logs at scale (Datadog, Grafana).
CloudKnife vs Sentry pricing
CloudKnife
- Free€0Up to €5k cloud spend, 3 Azure subscriptions, 2 users
- Standard€100/mo1% of spend (shown at €10k), up to €50k; 10 subs, 10 users
- Full€400/mo4% of spend (shown at €10k), up to €50k, all recs, 100 subs/users
- EnterpriseCustomTailored contract, billing and limits; onboarding with the team
Sentry
- Developer$01 user, 5k errors, 5 GB logs
- Team$29/mo$26/mo billed annually; unlimited users, 50k errors
- Business$89/mo$80/mo billed annually; 50k errors, 90-day lookback
- EnterpriseCustomCustom quotas and support
CloudKnife · Key features
- Workload-aware rightsizing across VM families, not just smaller sizes
- Scheduling that shuts down resources on nights and weekends
- Detection of orphaned disks, old snapshots and unused commitments
- Commitment simulation for reservations and savings plans before buying
- Cost allocation by application, team or customer
- Spend alerts delivered with their root cause
Cons
- Supports only Azure today; AWS and Google Cloud are not yet available
- Price grows with your cloud spend (1% or 4%)
- Standard plan gives only an optimisation preview
Sentry · Key features
- Error tracking with stack traces, breadcrumbs and release tracking
- Performance tracing and profiling
- Session Replay tied to errors
- Cron and uptime monitoring
- Seer AI for root cause and fix suggestions
- Suspect commits, issue ownership and alerting rules
Cons
- Costs scale with event volume; sampling needed
- Self-hosting is heavy
- Alert noise without tuning
CloudKnife vs Sentry: FAQ
Do CloudKnife and Sentry have a free plan?
Yes, both CloudKnife and Sentry have a free plan; paid plans add more usage and features.
Which is better for small businesses, CloudKnife or Sentry?
CloudKnife lists small businesses as a core audience, while Sentry is aimed more at developers.