CloudKnife vs Radar
CloudKnife and Radar are both uptime & monitoring tools aimed at developers and small businesses. Both have a free plan.
Azure FinOps tool that finds waste and applies approved fixes
Open-source Kubernetes UI and MCP server for engineers and agents
| Pricing | Freemium | Open source · $149 |
| Starting price | Not published | $149/mo |
| Free plan | Yes | Yes |
| Free trial | 14 days | 14 days |
| Built for | Developers, Small businesses, Enterprise | Developers, Small businesses, Enterprise |
| Platforms | web | web, macos, windows, linux |
| Country | BE | IL · 2023 |
| 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 Radar if
Platform and DevOps teams that want a free open-source Kubernetes UI and a safe way to give AI agents cluster context.
- Fully featured open-source build under Apache 2.0
- Single binary and desktop app for macOS, Windows and Linux, no account needed
- Read-only MCP endpoint lets agents inspect clusters safely
Look elsewhere if: Teams that need full-stack metrics, logs and APM in one hosted suite (Datadog, Dynatrace).
CloudKnife vs Radar 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
Radar
- Radar OSS$0Apache 2.0, unlimited clusters, one cluster at a time
- Cloud Free$03 hosted clusters, unlimited users, 100 investigations/mo
- Team$149/cluster/moScoped RBAC, fleet cost rollup; 20% off annual contracts
- Enterprise$299/cluster/moSSO, SCIM, SIEM export, self-managed; 20% off annual contracts
- CustomCustomAnnual contract, air-gapped, data residency, 99.9% SLA
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
Radar · Key features
- Issues queue that groups failures by root cause and blast radius
- Live topology graph and resource browser for any conformant cluster
- Event and change timeline with diffs beyond the one-hour default
- Helm release views with upgrades and rollbacks
- Argo CD and Flux drift detection, diagnosis and sync
- Cluster audit with 44 best-practice checks
Cons
- Per-cluster pricing gets expensive for large fleets
- Radar Cloud SSO and SCIM only on the $299 Enterprise plan
- Team plan keeps just 3 days of timeline history
CloudKnife vs Radar: FAQ
Do CloudKnife and Radar have a free plan?
Yes, both CloudKnife and Radar have a free plan; paid plans add more usage and features.