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Head-to-head · Backend as a Service (BaaS) Software

Convex vs Butterbase

  • Updated Sep 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Convex #3 in Backend as a Service (BaaS) Software 8.1/10 Free plan · paid from $25/mo Free plan✓ 2 of 4 features Visit Convex
Butterbase #7 in Backend as a Service (BaaS) Software 6.7/10 Free plan · paid from $19/mo Free plan✓ 4 of 4 features Visit Butterbase

Convex leads on 0 checks, Butterbase on 3, and 3 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreConvex · 8.1/10
  • Lowest starting priceButterbase · $19/mo
  • Free planboth
  • Most featuresButterbase · 4 of 4

Convex scores higher on our rubric for backend as a service (baas) software: 8.1 against 6.7 out of 10; our editors rank them #3 and #7.

Butterbase is cheaper to start at $19/mo against $25/mo. Butterbase offers managed authentication; Convex doesn't publish it. Butterbase offers realtime data updates; Convex doesn't publish it.

Convex is the better fit for realtime TypeScript application teams. Butterbase is the better fit for open-source REST BaaS with AI tooling.

  • Convex fits best

    Realtime TypeScript application teams

  • Butterbase fits best

    Open-source REST BaaS with AI tooling

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Convex 8.1/10 Visit ↗ Butterbase 6.7/10 Visit ↗
At a glance
Editor score 8.1 6.7
Ranking #3 in Backend as a Service (BaaS) Software #7 in Backend as a Service (BaaS) Software
Best for Realtime TypeScript application teams Open-source REST BaaS with AI tooling
Pricing model Free plan + paid Free plan + paid
Starting price $25/mo $19/mo (best)
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web Web
Support Email, Community, Docs Email, Community, Docs · 24/7
Compliance SOC 2, HIPAA, GDPR, SSO/SAML SOC 2, HIPAA
Integrations 10 integrations 5 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Convex 2/4 · Butterbase 4/4
Managed authentication Not published ✓ (best)
Serverless functions ✓ ✓
Realtime data updates Not published ✓ (best)
File storage ✓ ✓
Specs
Database type Not published Relational
API styles Not published Rest
Deployment model Not published Cloud_self_hosted
Our review
Pros
  • Reactive database with realtime client subscriptions
  • TypeScript backend functions, scheduled actions, and HTTP APIs
  • Cloud or self-hosted deployment with integrated storage and search
  • PostgreSQL, JWT auth, REST CRUD, storage, functions and realtime in one service
  • AI gateway and MCP server support agent workflows with listed coding-tool integrations
  • Cloud or self-hosted deployment with frontend hosting and custom domains
Cons
  • Professional pricing starts at $25 per developer monthly
  • Business & Enterprise requires a $2,500 monthly minimum
  • Starter usage beyond free limits is pay as you go
  • Playground is limited to one project, 500 MB database and 1 GB file storage
  • Launch and Certified plans cap projects, storage, bandwidth and monthly active users
  • Paid plans apply usage-based overage billing for storage and bandwidth
Our verdict

Convex is a backend platform for dynamic applications, aimed at teams building realtime TypeScript products. Developers define queries, mutations, serverless actions, and scheduled functions in TypeScript, then access them through…

Read the review →

Butterbase is an open-source backend-as-a-service for modern applications and business workflows. It combines PostgreSQL databases, JWT authentication, automatic REST CRUD APIs, S3-compatible storage, serverless functions, realtime…

Read the review →
  1. ConvexBackend as a Service (BaaS) Software 8.1Free plan · paid from $25/mo
  2. ButterbaseBackend as a Service (BaaS) Software 6.7Free plan · paid from $19/mo

Strengths and trade-offs

  • Convex — where it wins

    • Reactive database with realtime client subscriptions
    • TypeScript backend functions, scheduled actions, and HTTP APIs
    • Cloud or self-hosted deployment with integrated storage and search

    Where it doesn't

    • Professional pricing starts at $25 per developer monthly
    • Business & Enterprise requires a $2,500 monthly minimum
    • Starter usage beyond free limits is pay as you go

  • Butterbase — where it wins

    • PostgreSQL, JWT auth, REST CRUD, storage, functions and realtime in one service
    • AI gateway and MCP server support agent workflows with listed coding-tool integrations
    • Cloud or self-hosted deployment with frontend hosting and custom domains

    Where it doesn't

    • Playground is limited to one project, 500 MB database and 1 GB file storage
    • Launch and Certified plans cap projects, storage, bandwidth and monthly active users
    • Paid plans apply usage-based overage billing for storage and bandwidth
  • Convex8.1/10 · Free plan · paid from $25/mo

    A TypeScript-first reactive backend with realtime data, storage, search, and scheduled logic.

    Visit ConvexFull verdict →
  • Butterbase6.7/10 · Free plan · paid from $19/mo

    Open-source REST BaaS combining PostgreSQL, AI tooling, realtime, storage and deployment.

    Visit ButterbaseFull verdict →

More comparisons

All backend as a service (BaaS) software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update