Alternatives · AI Agents
Sim alternatives
Sim compared with 7 alternatives: n8n, Gumloop, Dify, Langflow, Zapier and 2 more.
Sim has a free plan. Paid plans start at $21.25 per user / month, billed annually ($255); $25 billed monthly. 5 of the 7 alternatives are free or have a free plan. One more offers a free trial.
7 tools · Listings checked up to Oct 9, 2026 · Where the facts come from
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| SimThis tool | Free plan · from $21.25/mo | Yes | Web, macOS |
| n8n | Free plan · from €20/mo | Yes | Web |
| Gumloop | Free trial · from $37/mo | Trial only | Web |
| Dify | Free plan · from $590/yr | Yes | Web |
| Langflow | Free plan | Yes | Web, macOS, Windows, Linux |
| Zapier | Free plan · from $19.99/mo | Yes | Web, Browser extension |
| Agenta | Free plan · from $29/mo | Yes | Web |
| Relevance AI | From $19/mo | No | Web, iOS, Android, Browser extension |
How each one differs from Sim
- Free plan · from €20/mo
n8n
Workflow automation and AI agents you can self-host
- n8n starts at €20 / month, billed annually, for 2,500 executions (n8n Cloud Starter). Sim starts at $21.25 per user / month, billed annually ($255); $25 billed monthly.
- Only Sim lists a macOS app.
- Sim is open source, according to its own site.
- Sim also covers AI agents.
Suits: Technical teams that want to host their automation on their own servers
- Free trial · from $37/mo
Gumloop
AI agent builder for teams, with unlimited seats on shared credits
- Gumloop starts at $37 per month (Pro, including 20,000 credits). Sim starts at $21.25 per user / month, billed annually ($255); $25 billed monthly.
- Sim has a free plan. Gumloop does not, though it has a free trial.
- Only Sim lists a macOS app.
- Sim is open source and self-hostable, according to its own site.
- Gumloop also covers no-code.
Suits: Teams that want non-engineers to build their own agents
- Free plan · from $590/yr
Dify
Open-source platform for building AI agents and agentic workflows
- Dify starts at $590 per workspace / year (Professional); $59 billed monthly. Sim starts at $21.25 per user / month, billed annually ($255); $25 billed monthly.
- Only Sim lists a macOS app.
- Dify also covers no-code.
Suits: Teams building retrieval-backed agents and chatbots on their own data
- Free plan
Langflow
Open-source visual builder for AI agents and MCP servers
- Only Langflow lists Windows and Linux apps.
- Langflow also covers templates.
- Sim also covers workflow automation.
Suits: Developers prototyping agent and RAG applications on a canvas
- Free plan · from $19.99/mo
Zapier
Workflow automation across 9,000+ apps, with AI agents
- Zapier starts at $19.99 / month, billed annually, for 750 tasks ($29.99 billed monthly). Sim starts at $21.25 per user / month, billed annually ($255); $25 billed monthly.
- Only Zapier lists a browser extension.
- Only Sim lists a macOS app.
- Sim is open source and self-hostable, according to its own site.
- Zapier also covers databases.
Suits: Connecting a wide range of cloud apps, including less common ones
- Free plan · from $29/mo
Agenta
Open-source workspace for building team AI agents and automations
- Agenta starts at $29 per month (Pro, unlimited users, 10,000 agent runs included). Sim starts at $21.25 per user / month, billed annually ($255); $25 billed monthly.
- Only Sim lists a macOS app.
- Agenta also covers templates and no-code.
Suits: Teams that want to self-host their agent platform under an MIT license
- From $19/mo
Relevance AI
Low-code platform for building AI agents and multi-agent teams
- Relevance AI starts at $19 per month, billed annually (Pro). Sim starts at $21.25 per user / month, billed annually ($255); $25 billed monthly.
- Sim has a free plan. Relevance AI does not.
- Only Relevance AI lists iOS and Android apps.
- Only Relevance AI lists a browser extension.
- Only Sim lists a macOS app.
Suits: Sales and support teams automating research, outreach and CRM updates
Limits worth knowing in Sim
- The Free plan's 1,000 credits are a one-time grant with no weekly refresh, and it allows 1 workspace and no teammates.
- Every workflow run carries a base charge of 1 credit, even when you bring your own model keys.
- Sim Mailer, KB Live Sync, sandboxes and Slack Connect start at Max; access control and SSO are Enterprise only.
- The desktop app is for macOS only (macOS 12 or later); on other systems Sim is used in a browser.
Common questions
What are the alternatives to Sim?
The alternatives to Sim in this directory are n8n, Gumloop, Dify, Langflow, Zapier, Agenta and Relevance AI. Each one has a side-by-side comparison with Sim.
Is there a free alternative to Sim?
Yes. n8n, Dify, Langflow, Zapier and Agenta have a free plan alongside paid ones.
Which Sim alternatives work on Windows?
The Sim listing does not include a Windows app. Langflow lists one.
Which Sim alternatives work on Linux?
The Sim listing does not include a Linux app. Langflow lists one.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 4, 2026 to Oct 9, 2026. Vendors change prices without notice, so confirm on their site before you buy.