Appwrite vs Chroma
Open-source BaaS for building full-stack apps
vs. Open-source vector DB designed for AI apps — embeddings-first, dev-friendly
Pricing tiers
Appwrite
Self-Hosted
Run Appwrite on your own infrastructure. MIT licensed — no usage limits.
$0 base (usage-based)
Cloud Free
Managed cloud. Hard caps: 1 team member, 1 database per project.
Free
Cloud Pro
From $15/member/month. 2 TB bandwidth, 150 GB storage, 200k MAU, 3.5M executions, unlimited databases + team members.
$15/mo
Cloud Scale
$599/month flat for the org. Higher included usage + advanced security. Deprecated in some regions — check.
$599/mo
Enterprise
Custom pricing. SOC 2, HIPAA (on request), dedicated infra, SLAs.
Custom
Chroma
Cloud — Free
$5 free credits. Great for trying it out.
Free
Cloud — Pro
$100 credits included, then usage-based. Dedicated resources, SOC2, priority support.
$0 base (usage-based)
Self-Host (OSS)
MIT-licensed. Embedded or Docker. Free forever.
$0 base (usage-based)
Cloud — Enterprise
Custom. VPC, compliance, dedicated support.
Custom
Free-tier quotas head-to-head
Comparing free on Appwrite vs cloud-free on Chroma.
| Metric | Appwrite | Chroma |
|---|---|---|
| bandwidth gb month | 5 GB/month | — |
| databases per project | 1 databases | — |
| function duration s | 30 seconds | — |
| function executions | 750000 exec/month | — |
| mau | 75000 users/month | — |
| storage gb | 2 GB | — |
| team members | 1 members | — |
Features
Appwrite · 13 features
- Account (Auth) — User authentication: email/password, magic URLs, phone OTP, anonymous, 30+ OAuth…
- Avatars — Generated avatars, country flags, credit-card icons, QR codes, favicons.
- Databases — NoSQL collections with attribute types, indexes, permissions per document/collec…
- Events System — Unified event bus: subscribe in Functions, Webhooks, Realtime using event string…
- Functions — Serverless functions in 13+ runtimes (Node, Python, Go, Ruby, PHP, Dart, Deno, S…
- Messaging — Multi-channel messaging: Push (FCM/APNs), SMS (Twilio/Vonage/Msg91), Email (Mail…
- Migrations — Import from Firebase, Supabase, NHost, or another Appwrite project.
- Permissions (ACLs) — Per-document / per-collection ACLs: Role.user(), Role.team(), Role.any(), Role.g…
- Realtime — WebSocket subscriptions to events: database changes, auth, storage, function exe…
- Sites — Deploy static and SSR frameworks (Next, Nuxt, SvelteKit, Astro, Remix) direct fr…
- Storage — File buckets with access control, auto-transforms (image preview), antivirus, en…
- Teams — Group users with shared access + roles. Used for row-level permissions on resour…
- Webhooks — HTTP callbacks on any Appwrite event. Signed with x-appwrite-webhook-signature.
Chroma · 11 features
- Client-Server Mode — Run Chroma via Docker; clients connect over HTTP.
- Collections — Named groups of embeddings + metadata.
- Distributed (Cloud) — Horizontal scaling on Chroma Cloud.
- Embedded Mode — In-process Python — chromadb.Client() and go. Zero setup.
- Embedding Functions — Plug-in embedders (OpenAI, Cohere, SentenceTransformers, HF).
- Full-Text Search — BM25 + vector hybrid.
- Metadata Filters — Where-clause query language.
- Migration Tools — Import from Pinecone + other stores.
- Multi-Modal — Text + image embeddings (CLIP, etc.).
- Python + JS APIs — Same API shape across both SDKs.
- Serverless Cloud — Pay for storage + queries, auto-scale.
Developer interfaces
| Kind | Appwrite | Chroma |
|---|---|---|
| CLI | Appwrite CLI | — |
| SDK | Android SDK (Kotlin), Apple SDK (Swift), Dart Server SDK, Deno SDK, Flutter SDK, Kotlin Server SDK, .NET Server SDK, Node.js Server SDK, PHP Server SDK, Python Server SDK, React Native SDK, Ruby Server SDK, Swift Server SDK, Web SDK (browser) | chromadb (JS/TS), chromadb (Python) |
| REST | REST API | Chroma HTTP API |
| GRAPHQL | GraphQL API | — |
| MCP | Appwrite MCP Server | Chroma MCP |
| OTHER | Realtime WebSocket | Docker Server, Embedded Mode (in-process Python) |
Staxly is an independent catalog of developer platforms. Outbound links to Appwrite and Chroma are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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