Appsmith vs Fillout
A detailed comparison to help you choose between Appsmith and Fillout.
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Verdict: Fillout wins
Fillout scores 4.1/5, edging out Appsmith at 4.0/5. Small-to-mid teams that want Typeform-grade form design with far cheaper scaling and native two-way sync into Airtable, Notion or Salesforce.
Appsmith Open-source low-code internal tool builder | Fillout Build forms and surveys without code in minutes | |
|---|---|---|
| Rating | 4.0 (1 review) | 4.1 (1 review) |
| Pricing Model | freemium | freemium |
| Starting Price | Free tier available | Free tier available |
| Best For | 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. | Small-to-mid teams that want Typeform-grade form design with far cheaper scaling and native two-way sync into Airtable, Notion or Salesforce. |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | open sourcefree tierapi access | free tierno codeapi access |
| Visit Appsmith → | Visit Fillout → |
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
Fillout
Pros
- + Free plan collects 1,000 responses/month with unlimited forms, questions and seats — verified against Typeform's 10/month free cap
- + No per-seat charges on any tier, so billing tracks usage instead of headcount
- + Bidirectional Airtable/Notion mapping with URL-parameter pre-fill and conditional display — form-as-front-end for internal systems
- + Deep free-tier feature set: conditional logic, payments, scheduling, PDF generation, workflows and resume-in-progress submissions
- + Pricing matrix is published server-side with concrete limits (20 MB vs 1 GB file ceilings) rather than hidden behind sales calls
Cons
- - Custom domains require the $75/month Business tier (annual billing) even for teams that need little else
- - Response caps (1,000/2,000/5,000) push you up tiers fast if a form catches traffic; only Business is uncapped
- - Partial submissions — recovery of abandoned entries — are gated to Business, where small teams need them most
- - Address autocomplete, enrichment and SMS/email verification are paid add-ons on top of plan prices
- - Hosted only: no self-hosting or on-prem option for teams with data-residency constraints
Frequently Asked Questions
Which is better, Appsmith or Fillout?▼
Fillout scores higher at 4.1/5 vs 4.0/5 for Appsmith, making it the better-rated option in our comparison.
What is the difference between Appsmith and Fillout?▼
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. Fillout: Fillout builds forms, surveys and quizzes without code and writes responses into tools such as Airtable, Notion and Salesforce.
Is Appsmith or Fillout more affordable?▼
Appsmith starts at €0/mo, Fillout starts at €0/mo. Check the comparison table above for current pricing.
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