Best for
Best for engineering teams that want self-hosted internal tools with the source under an open licence.
- Small and mid-sized
- Enterprise
No tools match
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AI App Builders Comparison
At a glance
Best for
Best for engineering teams that want self-hosted internal tools with the source under an open licence.
Best for
Best for developers and teams that want to build native apps visually while keeping full ownership of the Flutter source code.
Cataleo does not name a winner. Both statements come from the vendors themselves.
| Criterion | Appsmith | FlutterFlow |
|---|---|---|
| Starting price | lower value Free; Business $15 / user / month Business is billed monthly by credit card for up to 99 users. Enterprise starts at $2,500 per month from 100 users and is usually billed annually. The self-hosted community edition is free. | Free plan; paid from $39 / month Billed per month; annual billing is about 25% cheaper. Higher tiers add per-seat pricing. |
| Free trial | Free plan for up to 5 users, plus a 15-day Business trial for new cloud signups | Free plan (AI Gen limited to 5 lifetime requests) |
| Commercial use | Not stated | Yes |
| Output | Internal web apps: admin panels, dashboards and service tools | Native iOS and Android apps and responsive web apps, with downloadable Flutter and Dart source code |
| Hosting | Appsmith cloud or self-hosted (Docker, Kubernetes, AWS AMI) | Not stated |
| What it generates | Internal tools: admin panels, dashboards, customer 360 views and IT or service-management apps, assembled from a widget library | Native iOS and Android apps plus responsive web apps, built from one project; screens and flows can be generated from a prompt with AI Gen |
| Stack and frameworks | Drag-and-drop widgets with JavaScript available in every binding; an in-product AI copilot helps write queries, JavaScript and interface changes rather than generating a whole app from a prompt | Visual builder on top of Flutter; generates Flutter and Dart code you can download, with no vendor lock-in |
| Auth and database | 25+ databases (PostgreSQL, MongoDB, MySQL, SQL Server, Oracle, Snowflake, Redshift, DynamoDB, Databricks), REST and GraphQL, and 30+ SaaS connectors; Google SSO on the free plan, SAML and OIDC SSO with SCIM provisioning on Enterprise | Built-in Firebase and Supabase integrations for database and user authentication, plus REST and GraphQL API connections |
| Hosting and deploy | Appsmith cloud, or self-hosted with Docker, Kubernetes or an AWS AMI; an air-gapped edition on Enterprise | One-click deploy to the Apple App Store, Google Play and the web, with custom domain support |
| Payments | No built-in payments; Stripe is one of the SaaS connectors an app can call | In-app payment integration available across all plans |
| Access to the code | Apache 2.0 and self-hostable, with Git version control against GitHub, GitLab, Bitbucket or Azure: 3 repositories on the free plan, unlimited on Business | Full Flutter and Dart source code can be downloaded, or synced to GitHub on Growth and higher |
| Deployment | more entries Cloud (SaaS), Browser-based, On-premise | Cloud (SaaS), Browser-based |
| Support | Email helpdesk, Chat, Community forum | Email helpdesk, Chat, Community forum |
| Onboarding | Documentation and knowledge base | more entries Documentation and knowledge base, Video tutorials |
| Company size | Small and mid-sized, Enterprise | more entries Freelancers, Small and mid-sized, Enterprise |
| Integrations | more entries PostgreSQL, MongoDB, MySQL, Microsoft SQL Server, Oracle, Snowflake, Redshift, DynamoDB, Elasticsearch, Redis, Firestore, Databricks, Amazon S3, Salesforce, HubSpot, Slack, Jira, Asana, Notion, Google Sheets, Airtable, Stripe, monday.com, Linear, OpenAI, Anthropic, Google AI | Firebase, Cloud Firestore, Firebase Storage, Supabase, GitHub, Google Cloud, Google Maps, Google Analytics, Braintree, AdMob, Mux |
Adds a column to the table, from the tools in this category.
Row where the values differ The small markers point at the lower number, the longer list or the stated feature. They describe the data, they are not a verdict.
The short version
Every line is one datapoint from the table above, picked automatically. Nothing here is written text.
The trade-offs
Appsmith
Strengths
Limitations
FlutterFlow
Strengths
Limitations
Plans
Appsmith
FlutterFlow
What users say
Appsmith
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
FlutterFlow
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
Where this comes from
Appsmith https://www.appsmith.com · no check date recorded yet
FlutterFlow https://www.flutterflow.io · checked against the official source on 2026-09-06
This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.