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APIs · head to head

Appwrite vs Cilium

Appwrite logo

Appwrite

APIs

Open-source Backend as a Service with REST API and SDKs

From
Free
Rated
-
Full reviewWebsite
Cilium logo

Cilium

Cloud

eBPF-based networking, observability and security for Kubernetes

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Appwrite smaller ecosystem compared to Firebase; fewer third-party integrations and extensions; Cilium requires a recent Linux kernel, which rules out older distributions and some managed environments
  • They diverge on capability: Appwrite covers REST API, Cilium covers eBPF datapath.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Appwrite and Cilium actually diverge.

Attributes where Appwrite and Cilium differ
AttributeAppwriteCilium
Pricing modelUnknownOpen source, no licence fee
PlatformsCloud (Managed), Self-Hosted, DockerKubernetes, Linux
CategoryAPIsCloud
Founded2019Unknown

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

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 Appwrite

  • REST API
  • Authentication
  • Database
  • Multiple SDKs
  • Cloud functions
  • File storage
  • Docker support
  • Self-hosted support

Only in Cilium

  • eBPF datapath
  • Identity-based policy
  • Hubble observability
  • Sidecar-free mesh

What people use each for

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

Appwrite

  • API Developmentnot Cilium
  • API Gatewaynot Cilium
  • API Testingnot Cilium
  • API Documentationnot Cilium
  • Microservicesnot Cilium

Cilium

  • Kubernetes networking at a scale where iptables-based CNI performance degradesnot Appwrite
  • Network policy expressed on workload identity rather than fragile IP rulesnot Appwrite
  • Seeing which services actually talk to each other, and what policy is droppingnot Appwrite

Where each one falls short

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

Appwrite

  • Smaller ecosystem compared to Firebase; fewer third-party integrations and extensions
  • Analytics, crash reporting, and A/B testing not included (Firebase includes these)
  • Requires infrastructure management for self-hosted deployments; not fully managed like Firebase Cloud
  • Mobile app support not as mature as Firebase's native iOS/Android SDKs

Cilium

  • Requires a recent Linux kernel, which rules out older distributions and some managed environments
  • eBPF is genuinely hard to debug when it misbehaves, and the skill is rare on most teams
  • Broad scope — CNI, policy, mesh, observability — means the learning curve covers several domains at once

Pricing, plan by plan

Appwrite

Free
  • Cloud FreeFree
    • 75K MAU
    • 10GB storage
    • Unlimited projects
  • Cloud Pro$15/month
    • More storage
    • Priority support

Cilium

Free
  • CiliumFree
    • Full functionality
    • No usage limits
    • Community support

Which should you pick?

Choose Appwrite if

  • You need rest api.
  • You want to start without paying.
  • You work on Cloud (Managed), Self-Hosted, Docker.
  • You also want authentication.
Appwrite review

Choose Cilium if

  • You need ebpf datapath.
  • You want to start without paying.
  • You work on Kubernetes, Linux.
  • You also want identity-based policy.
Cilium review

Questions people ask

Is Appwrite or Cilium better?
Neither clearly leads. Appwrite starts at Free and Cilium at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Appwrite or Cilium?
Appwrite starts at Free and Cilium at Free.
Does Appwrite or Cilium run on more platforms?
Appwrite runs on Cloud (Managed), Self-Hosted, Docker. Cilium runs on Kubernetes, Linux.
Can I use Appwrite for free?
Both have a free tier, so you can try either at no cost before committing.
What is Appwrite best used for?
Appwrite is most often used for api development, api gateway, api testing, api documentation. Of those, api development and api gateway are not what Cilium is typically brought in for.
What can Appwrite do that Cilium cannot?
Appwrite covers REST API, Authentication, Database, Multiple SDKs. Cilium covers eBPF datapath, Identity-based policy, Hubble observability, Sidecar-free mesh.

Answered from the vendors’ own pages

Appwrite: Can Appwrite be self-hosted?

Yes. Appwrite is fully open-source and self-hosted with a single Docker command. Self-hosting is completely free with no feature restrictions, unlike the managed Appwrite Cloud.

Source
Cilium: Is Cilium free?

Yes, open source and CNCF-graduated. Isovalent sells an enterprise distribution and support.

Appwrite: What is Appwrite Cloud's pricing?

Appwrite Cloud offers a free tier with unlimited projects, 75K monthly active users, and 10GB storage with no time limit. Pro plan starts at $15/month per organization member. Scale plan at $599/month includes dedicated resources and SOC 2 compliance.

Source
Cilium: What does eBPF change?

It lets Cilium run packet-processing programs inside the kernel instead of relying on iptables rule chains, which behave poorly as the number of services grows.

Appwrite: What programming languages does Appwrite support?

Appwrite provides SDKs for 15+ languages including JavaScript, Flutter, Swift, Kotlin, Python, Ruby, PHP, .NET, and more, offering more language flexibility than Firebase.

Source
Cilium: Does Cilium replace a service mesh?

It can cover much of what a mesh does without sidecars, though full mesh feature sets still favour Istio or Linkerd.

Appwrite: What backend services does Appwrite provide?

Appwrite includes Auth (with multi-factor auth), Databases, Storage (with compression and encryption), Serverless Functions, Messaging, Realtime subscriptions, and Sites (for hosting static and full-stack apps).

Source
Appwrite: Does Appwrite include real-time capabilities?

Yes. Appwrite's Realtime service covers all platform services by default through WebSocket subscriptions, enabling real-time updates across databases, functions, and messages.

Source
Appwrite: How does Appwrite compare to Firebase on costs?

Appwrite offers better cost predictability. Firebase's pay-per-read/write model can lead to unexpected bills with runaway queries, while Appwrite's self-hosted model only requires paying for your own infrastructure with completely predictable costs.

Source
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