Polylane vs Radar
Polylane and Radar are both uptime & monitoring tools aimed at developers and small businesses. Polylane costs less, from $80/mo versus $149/mo for Radar. Both have a free plan.
AI on-call engineer that investigates and fixes production issues
Open-source Kubernetes UI and MCP server for engineers and agents
| Pricing | Freemium · $80 | Open source · $149 |
| Starting price | $80/mo | $149/mo |
| Free plan | Yes | Yes |
| Free trial | — | 14 days |
| Built for | Developers, Small businesses, Enterprise | Developers, Small businesses, Enterprise |
| Platforms | web, macos, linux | web, macos, windows, linux |
| Country | US · 2025 | IL · 2023 |
| Rating | — | — |
Choose Polylane if
Small platform and backend teams running on Cloudflare, Vercel or AWS who want an AI first responder without hiring an SRE.
- Free plan for two members and two cloud accounts
- Read-only Cloudflare access with no full-access option offered
- MCP and API reads are unlimited on every plan
Look elsewhere if: Teams that need a mature, full observability suite with predictable usage pricing (Datadog, Sentry).
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).
Polylane vs Radar pricing
Polylane
- Free$02 members, 2 cloud accounts, 10 impact assessments/mo
- Starter$80/moUnlimited seats, 5 cloud accounts; $64/mo billed annually
- Team$200/moUnlimited cloud accounts, shared memories; 20% off yearly
- Business$500/mo100x credits, 5,000 impact assessments; 20% off yearly
- Scale$800/mo160x credits, pay-as-you-go overage; 20% off yearly
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
Polylane · Key features
- Context graph linking code, infrastructure and telemetry
- Anomaly and issue detection from metrics, logs and traces
- Root-cause investigations as a transcript you can watch, interrupt and share
- Impact analysis of pull requests against production
- Autofix that opens pull requests in GitHub
- Cloudflare connection with a single read-only token
Cons
- Credits are relative multiples, so monthly cost is hard to predict
- Steep jump from free to the $80 Starter plan
- Product is still described as early access
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
Polylane vs Radar: FAQ
Which is cheaper, Polylane or Radar?
Polylane starts at $80/mo and Radar at $149/mo. Both prices are checked on the vendors' own pricing pages.
Do Polylane and Radar have a free plan?
Yes, both Polylane and Radar have a free plan; paid plans add more usage and features.