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Technology · head to head

Envoy vs StatusCake

Envoy logo

Envoy

Technology

A high-performance L7 proxy written in C++ that is configured by an API rather than a config file, and is usually deployed under a control plane.

From
Free
Rated
-
Full reviewWebsite
StatusCake logo

StatusCake

Technology

Website monitoring that just works

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Envoy the configuration surface is very large and hand-written bootstrap YAML runs to hundreds of lines for routing that Nginx expresses in twenty, which is why nearly every production deployment sits under a control plane and inherits that control plane's constraints as well.; StatusCake free plan is limited to a 5 minute check interval and only 10 uptime monitors, 1 page speed monitor and 1 SSL monitor
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Envoy and StatusCake actually diverge.

Attributes where Envoy and StatusCake differ
AttributeEnvoyStatusCake
Pricing modelopen-sourcefreemium

Identical on both: starting price (Free), free tier (Yes), platforms (Web), user rating (Not yet rated), category (Technology).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Envoy

  • xDS dynamic configuration
  • Protocol breadth
  • Filter chain architecture
  • Observability by default
  • Outlier detection
  • Traffic shaping
  • mTLS termination and origination
  • Hot restart

Only in StatusCake

Nothing recorded that Envoy does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Envoy

  • Acting as the data plane under a service mesh or Gateway API implementation, which is how the overwhelming majority of deployments use itnot StatusCake
  • An edge or API gateway that needs per-route retry budgets, circuit breaking and outlier detection rather than round-robin proxyingnot StatusCake
  • Migrating traffic between service versions or between a monolith and its replacement, using weighted splits and shadow trafficnot StatusCake
  • Standardising observability across a polyglot estate, so that latency, error rates and tracing look the same regardless of the language a service is written innot StatusCake

StatusCake

  • Website uptime monitoring and alert managementnot Envoy
  • SSL certificate expiration trackingnot Envoy
  • Domain expiration alerts and monitoringnot Envoy
  • Page performance analysis and reportingnot Envoy
  • Server health monitoring and incidentsnot Envoy
  • Team-based incident response coordinationnot Envoy

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Envoy

  • The configuration surface is very large and hand-written bootstrap YAML runs to hundreds of lines for routing that Nginx expresses in twenty, which is why nearly every production deployment sits under a control plane and inherits that control plane's constraints as well.
  • xDS is the real API and it is not stable in the comfortable sense; the v2 API set was removed outright, resource types continue to be deprecated, and your control plane and Envoy binaries have to be upgraded roughly in step or the proxies stop accepting configuration.
  • Extending it properly means writing a C++ filter and building and maintaining your own Envoy binary; the alternatives are Lua, which adds per-request overhead, and proxy-wasm, whose ABI has remained effectively experimental for years with a real performance cost.
  • At sidecar density the per-proxy memory and CPU footprint is a measurable share of cluster capacity, since thousands of workloads each carry a full proxy, and this is precisely the cost that has pushed mesh projects towards node-level or ambient architectures.
  • There is no single vendor selling support for Envoy itself; you get the community plus control-plane vendors such as Solo.io and Tetrate, so an Envoy-level production bug is your own engineers in a C++ codebase unless a support contract happens to cover it.
  • Diagnosing why a request got a particular response involves reading config dumps, the stats endpoint and the RESPONSE_FLAGS codes in access logs rather than a readable error, which is a specific skill you must hire or spend months growing.

StatusCake

  • Free plan is limited to a 5 minute check interval and only 10 uptime monitors, 1 page speed monitor and 1 SSL monitor
  • Sub-minute checking (30 seconds) requires the Business plan at $66.66/month billed annually, or $79.99/month billed monthly
  • Enterprise, the only tier with unlimited monitors, has no published price and requires a custom quote

Pricing, plan by plan

Envoy

Free

No published plan breakdown. See the Envoy review.

StatusCake

Free
  • FreeFree
    • 10 uptime tests
    • 5 min test intervals
    • 1 page speed test
  • Superior$20.41/month
    • 100 uptime tests
    • 1 min test intervals
    • 15 page speed tests
  • Business$66.66/month
    • 300 uptime tests
    • 30 sec test intervals
    • 30 page speed tests
  • Enterprise$null/mo

Which should you pick?

Choose Envoy if

  • You need xds dynamic configuration.
  • You want to start without paying.
  • You also want protocol breadth.
Envoy review

Choose StatusCake if

  • You want to start without paying.
StatusCake review

Questions people ask

Is Envoy or StatusCake better?
Neither clearly leads. Envoy starts at Free and StatusCake at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Envoy or StatusCake?
Envoy starts at Free and StatusCake at Free.
Does Envoy or StatusCake run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Envoy for free?
Both have a free tier, so you can try either at no cost before committing.
What is Envoy best used for?
Envoy is most often used for acting as the data plane under a service mesh or gateway api implementation, which is how the overwhelming majority of deployments use it, an edge or api gateway that needs per-route retry budgets, circuit breaking and outlier detection rather than round-robin proxying, migrating traffic between service versions or between a monolith and its replacement, using weighted splits and shadow traffic, standardising observability across a polyglot estate, so that latency, error rates and tracing look the same regardless of the language a service is written in. Of those, acting as the data plane under a service mesh or gateway api implementation, which is how the overwhelming majority of deployments use it and an edge or api gateway that needs per-route retry budgets, circuit breaking and outlier detection rather than round-robin proxying are not what StatusCake is typically brought in for.
What can Envoy do that StatusCake cannot?
Envoy covers xDS dynamic configuration, Protocol breadth, Filter chain architecture, Observability by default.

Answered from the vendors’ own pages

Envoy: Should I run Envoy on its own, or under a control plane?

Almost always under one. Directly authoring xDS or static bootstrap configuration is viable for a handful of routes and becomes unmanageable beyond that. Envoy Gateway, Istio, Contour, Gloo and Consul all exist to generate that configuration for you.

StatusCake: How much does StatusCake cost?

StatusCake offers a free plan at $0/month, with paid plans starting at $20.41/month (annual) for the Superior tier, $66.66/month (annual) for Business, and custom pricing for Enterprise.

Source
Envoy: How does it compare with Nginx or HAProxy?

Envoy is dynamically configured over an API and instrumented far more heavily; Nginx and HAProxy are faster to configure and lighter for straightforward reverse proxying. If you never need to change routing without a reload, Envoy is more machinery than the problem requires.

StatusCake: Is there a free version of StatusCake?

Yes, StatusCake offers a free plan with 10 uptime tests, 5 minute test intervals, 1 page speed test, 1 SSL monitor, and 1 domain monitor. A 7-day free trial of all plans is available with no credit card required.

Source
Envoy: What does it cost?

Nothing to licence; it is Apache 2.0 and there is no paid edition. The cost is engineering time and, for most organisations, a commercial control plane or cloud service that packages it.

StatusCake: What billing and payment options does StatusCake offer?

StatusCake accepts payment via credit card on all tiers and invoices on Business Yearly and higher plans. Multi-year discounts are available: 12.5% for 2-year, 25% for 3-year, and 40% for 5-year commitments. Currencies supported include USD, GBP, EUR, AUD, NZD, SGD, and CAD.

Source
Envoy: Can I write extensions without C++?

You can write Lua filters or proxy-wasm modules in Rust, Go, C++ or AssemblyScript. Both carry per-request overhead compared with a native filter, and the Wasm path has been slower to stabilise than the project originally projected.

StatusCake: What is the minimum test interval for uptime monitoring?

The Free plan allows 5-minute test intervals minimum. Superior plan allows 1-minute intervals, and Business plan allows 30-second intervals.

Source
Envoy: Is it a CNCF project?

Yes, it is a graduated CNCF project licensed under Apache 2.0, which means the trademark and governance sit with the foundation rather than with Lyft or any vendor.

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