API Management · head to head
Appwrite vs Clerk

Appwrite
API Management
Open-source Backend as a Service with REST API and SDKs
- From
- Free
- Rated
- -

Clerk
Identity & Access Management
Drop-in user authentication and management for developers
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Appwrite smaller ecosystem compared to Firebase; fewer third-party integrations and extensions; Clerk pricing scales with monthly retained users, which can grow expensive quickly for consumer apps with large user bases.
- They diverge on capability: Appwrite covers REST API, Clerk covers Prebuilt UI components.
Where they differ
Only the attributes on which Appwrite and Clerk actually diverge.
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 Clerk
- Prebuilt UI components
- Organization management
- Multi-factor authentication
- Social sign-on
- Billing
- Enterprise connections
What people use each for
The jobs each tool is most often brought in to do.
Appwrite
- API Developmentnot Clerk
- API Gatewaynot Clerk
- API Testingnot Clerk
- API Documentationnot Clerk
- Microservicesnot Clerk
Clerk
- Adding sign-in and user profiles to a web or mobile app quicklynot Appwrite
- B2B SaaS apps needing organizations and role-based accessnot Appwrite
- Startups wanting prebuilt UI instead of building auth in-housenot Appwrite
- Apps needing MFA and fraud detection out of the boxnot 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
Clerk
- Pricing scales with monthly retained users, which can grow expensive quickly for consumer apps with large user bases.
- Enterprise SSO connections beyond the first are billed as add-ons, adding cost for larger organizations.
- The Business tier's extra dashboard seats cost $20/month each, which adds up for larger teams.
- Enterprise-tier features like the 99.99% uptime SLA require annual contracts rather than flexible monthly billing.
Pricing, plan by plan
Appwrite
Free- Cloud FreeFree
- 75K MAU
- 10GB storage
- Unlimited projects
- Cloud Pro$15/month
- More storage
- Priority support
Clerk
Free- HobbyFree
- 50,000 MRU limit per app
- Up to 3 dashboard seats
- Unlimited applications
- Pro$25/month
- 50,000 MRUs included, $0.02/MRU overage
- Up to 3 dashboard seats
- 1 Enterprise Connection included
- Business$300/month
- 50,000 MRUs included with volume pricing
- 10 dashboard seats included
- SOC2 report and priority support
- Enterprise$undefined/month
- Custom pricing, annual billing
- 99.99% uptime SLA
- HIPAA available, dedicated Slack channel
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.
Choose Clerk if
- You need prebuilt ui components.
- You want to start without paying.
- You work on web, ios, android, api.
- You also want organization management.
Questions people ask
- Is Appwrite or Clerk better?
- Neither clearly leads. Appwrite starts at Free and Clerk at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Appwrite or Clerk?
- Appwrite starts at Free and Clerk at Free.
- Does Appwrite or Clerk run on more platforms?
- Appwrite runs on Cloud (Managed), Self-Hosted, Docker. Clerk runs on web, ios, android, api.
- 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 Clerk is typically brought in for.
- What can Appwrite do that Clerk cannot?
- Appwrite covers REST API, Authentication, Database, Multiple SDKs. Clerk covers Prebuilt UI components, Organization management, Multi-factor authentication, Social sign-on.
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.
SourceClerk: What does Clerk cost?
Clerk's Hobby plan is free with a 50,000 MRU limit; Pro is $25/month ($20/month billed annually), Business is $300/month ($250 annually), and Enterprise uses custom annual pricing.
SourceAppwrite: 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.
SourceClerk: Is there a free plan and what are its limits?
Yes, the Hobby plan is free with a 50,000 monthly retained user (MRU) limit per app, up to 3 dashboard seats, and unlimited applications, with no credit card required.
SourceAppwrite: 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.
SourceClerk: How is usage metered?
Clerk meters by monthly retained users (MRUs) — users who return to the app at least a day after signing up — with overage billed at $0.02 per MRU beyond the included 50,000 on paid plans.
SourceAppwrite: 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).
SourceAppwrite: 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.
SourceAppwrite: 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.
SourceRelated pages
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