Stack AI vs Appsmith

A detailed comparison to help you choose between Stack AI and Appsmith.

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Verdict: Appsmith wins

Appsmith scores 4.0/5, edging out Stack AI at 3.5/5. Engineering and technical-ops teams who write JavaScript and want open-source control over internal tools, admin panels and dashboards — self-hosted or on cloud.

Stack AI

Stack AI

Build AI workflows and apps without code

Appsmith

Appsmith

Open-source low-code internal tool builder

Rating3.5 (1 review)4.0 (1 review)
Pricing Modelfreemiumfreemium
Starting PriceFree tier availableFree tier available
Best ForEnterprise and IT-led teams building secure internal AI tools and document workflows — particularly those already using Asana — who can run a pilot and negotiate a custom contract.Engineering and technical-ops teams who write JavaScript and want open-source control over internal tools, admin panels and dashboards — self-hosted or on cloud.
Free Tier
API Access
Team Features
Open Source
Tags
free tierno codesso
open sourcefree tierapi access
Visit Stack AI →Visit Appsmith →

Stack AI

Pros

  • + Model-agnostic node canvas: any LLM behind the graph, with structured JSON outputs validated in-flow in my build
  • + Document AI with working citations — outputs pointed at the right source PDFs in my spot checks
  • + Enterprise compliance posture: Trust Center, HIPAA BAA path, on-prem deployment and dedicated infrastructure on Custom
  • + Genuinely free entry point at 500 runs/month with no card, plus live docs, Academy, changelog and public status page
  • + Acquired by Asana (May 2026) — potential distribution and workflow integration upside for teams already in that ecosystem

Cons

  • - Acquired by Asana for a reported $75M in May 2026 — roadmap and pricing stability need contractual clarity before multi-year deals
  • - No self-serve paid tier: 500 runs/2 projects on Free, then custom-negotiated pricing with nothing published in between
  • - Third-party pricing roundups disagree wildly ($49–$199/mo) and are not vendor-confirmed — do not budget from aggregators
  • - Denser, less polished UI than consumer-grade builders; overbuilt for simple FAQ-style use cases
  • - Free tier (500 runs) is about one serious build-and-debug session — too tight for a real evaluation month
View full Stack AIreview →

Appsmith

Pros

  • + Apache-2.0 core with real self-hosting: a pinned docker-compose image stood up the whole platform in about five minutes in my test
  • + JavaScript everywhere is a strength for developers — JSObjects and {{ }} bindings make almost any internal-tool logic expressible
  • + 25+ database connectors plus REST/GraphQL with OAuth 2.0 and cURL import cover the real internal-tool data estate
  • + Free tier is generous (5 cloud users, 5 workspaces, 3 Git repos) and Business at $15/user undercuts Retool-class pricing
  • + Ask AI writes schema-aware SQL and JavaScript in the editor, and has shipped in the Community Edition since v2.3

Cons

  • - Non-developers stall fast: debugging means reading JavaScript and error logs, and one reviewer found 8 broken bindings in a paid template
  • - Mobile responsiveness requires manual block-by-block resizing — the most consistent complaint in G2 reviews
  • - The 99-user Business cap forces a jump to Enterprise at $2,500/month for 100 users
  • - AI features need bring-your-own provider keys (Anthropic, OpenAI, Azure OpenAI or Ollama), so LLM costs sit outside the platform bill
  • - The legacy Appsmith AI datasource stops working on 30 September 2026 — a forced migration for apps built on it — and workflows remain in open beta
View full Appsmithreview →

Frequently Asked Questions

Which is better, Stack AI or Appsmith?▼
Appsmith scores higher at 4.0/5 vs 3.5/5 for Stack AI, making it the better-rated option in our comparison.
What is the difference between Stack AI and Appsmith?▼
Stack AI: Stack AI is a drag-and-drop platform for building AI agents and internal applications, aimed at enterprise deployment and compliance. Appsmith: Appsmith is an open-source low-code platform for internal applications, with a drag-and-drop UI builder, JavaScript for logic and connectors to databases and APIs.
Is Stack AI or Appsmith more affordable?▼
Stack AI starts at €0/mo, Appsmith starts at €0/mo. Check the comparison table above for current pricing.

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