Staxly

GrowthBook vs MongoDB Atlas

Open-source feature flags + experimentation — Warehouse Native
vs. Managed MongoDB with search, vector, stream processing

GrowthBook website ↗MongoDB Atlas ↗

Pricing tiers

GrowthBook

Open Source (Self-Host)
MIT-licensed. Unlimited everything. Community support.
$0 base (usage-based)
Cloud — Starter (Free)
Up to 3 users. Unlimited flags + experiments. Warehouse Native included.
Free
Cloud — Pro
$40/user/month. Up to 50 users. Advanced stats, visual A/B editor, CUPED, sequential testing, bandits.
$40/mo
Cloud — Enterprise
Custom. Unlimited users, SSO/SAML, approval flows, data pipelines, exportable audit logs.
Custom
Self-Host Enterprise
Open Source + Enterprise license. Visual A/B editor, advanced metrics, SSO/SAML, approvals, training.
Custom
GrowthBook website ↗

MongoDB Atlas

M0 — Free
Shared cluster, 512 MB storage, 100 ops/sec, 32 MB sort memory. Learning/exploration.
Free
Flex — Serverless
Autoscales 0-500 ops/sec. 5 GB storage. Pay-as-you-go, up to ~$30/mo.
$8/mo
M2 — Shared
Shared, 2 GB storage. Staging / small apps.
$9/mo
M5 — Shared
Shared, 5 GB storage.
$25/mo
M10 — Dedicated
2 GB RAM, 2 vCPU, 10-128 GB storage. First dedicated tier.
$57/mo
M20 — Dedicated
4 GB RAM, 2 vCPU, 20-256 GB storage.
$144/mo
M30 — Dedicated
8 GB RAM, 2 vCPU, 40-512 GB storage.
$389/mo
M40 — Dedicated
16 GB RAM, 4 vCPU, 80 GB-1 TB storage.
$749/mo
M50 — Dedicated
32 GB RAM, 8 vCPU, 160 GB-4 TB storage.
$1440/mo
M60 — Dedicated
64 GB RAM, 16 vCPU.
$2844/mo
M80 — Dedicated
128 GB RAM, 32 vCPU, 750 GB-4 TB.
$5256/mo
M300 — Dedicated
384 GB RAM, 96 vCPU.
$15732/mo
Enterprise
Multi-region Advanced, private network, BYOK, dedicated support.
Custom
MongoDB Atlas ↗

Free-tier quotas head-to-head

Comparing oss on GrowthBook vs m0 on MongoDB Atlas.

MetricGrowthBookMongoDB Atlas
backups—0 backups
ops per sec—100 ops/sec
sort memory mb—32 MB
storage gb—0.5 GB

Features

GrowthBook · 15 features

  • Approval Flows — Require reviewer approval on flag changes. Enterprise.
  • Audit Logs — Full change history. Exportable on Enterprise.
  • Dimensions & Slicing — Break down experiment results by user dimensions.
  • Edge SDK Support — Cloudflare Workers, Lambda@Edge, Fastly, Akamai EdgeWorkers, Netlify Edge.
  • Experiments — A/B/n with CUPED variance reduction + sequential testing.
  • Feature Flags — Boolean + string + number + JSON flags with targeting.
  • Feature Reviews (PR-style) — Draft → review → approve flag changes.
  • Guardrail Metrics — Auto-monitor key metrics during experiments.
  • Metric Catalog — Define + reuse metrics across experiments.
  • Multi-Armed Bandits — Adaptive traffic allocation. Pro+.
  • Safe Rollouts — Guarded gradual rollouts with automatic rollback.
  • SSO / SAML — Enterprise SSO for cloud + self-host EE.
  • Sticky Bucketing — User stays in variant even after eligibility changes.
  • Visual A/B Test Editor — No-code DOM editor for web experiments. Pro+.
  • Warehouse Native — Connect your warehouse + run experiments against your events data.

MongoDB Atlas · 14 features

  • Atlas App Services — Backend-as-a-service: Functions, HTTPS endpoints, users + auth, sync.
  • Atlas Charts — Embedded dashboards + visualizations from Atlas data.
  • Atlas Database — Core MongoDB with automated backups, monitoring, scaling on AWS/Azure/GCP.
  • Atlas Data Federation — Query across Atlas, S3, and HTTP endpoints in one pipeline.
  • Atlas Device Sync (Realm) — Offline-first mobile DB that syncs bidirectionally with Atlas.
  • Atlas Search — Apache Lucene-based full-text search integrated into MongoDB aggregation pipelin…
  • Atlas Stream Processing — Continuous processing of MongoDB change streams + Kafka. Pipeline aggregations o…
  • Atlas Triggers — Database change triggers, scheduled triggers. Run Atlas Functions (Node.js).
  • Atlas Vector Search — Vector similarity search via $vectorSearch operator. HNSW index. Up to 4096 dims…
  • BYOK Encryption — Bring your own KMS key (AWS KMS, Azure Key Vault, GCP KMS).
  • Data API — Read/write via REST. Alternative to drivers for edge/serverless.
  • Multi-Region Clusters — Single cluster distributed across multiple regions for HA + low latency.
  • Online Archive — Tiered storage: automatic cold data movement to cheaper S3-backed storage.
  • Private Networking — VPC Peering, PrivateLink, CIDR allowlist.

Developer interfaces

KindGrowthBookMongoDB Atlas
CLI—Atlas CLI, MongoDB Shell (mongosh)
SDKEdge SDKs (CF Workers / Lambda@Edge / Fastly / Akamai), growthbook-android, growthbook-flutter, growthbook-go, growthbook-java, growthbook-node, growthbook-php, growthbook-python, growthbook-ruby, growthbook-swift, sdk-javascript, sdk-reactAtlas Device SDK (Realm), MongoDB Go Driver, MongoDB Java Driver, MongoDB .NET/C# Driver, mongodb (Node driver), mongodb (Rust), pymongo
RESTGrowthBook REST APIAtlas Admin API, Atlas Data API
MCP—MongoDB MCP Server
OTHERWebhooksMongoDB Compass (GUI), MongoDB Wire Protocol
Staxly is an independent catalog of developer platforms. Outbound links to GrowthBook and MongoDB Atlas are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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