Windmill vs happilee

Compare Windmill and happilee on pricing, features, platforms, and ratings — both Automation tools, open-source vs Subscription-based with tiered plans:…

At a Glance

 Windmillhappilee
Primary categoryAutomationAutomation
RatingNot documentedNot documented
Pricing modelopen-sourceSubscription-based with tiered plans: Growth $34/month + tax, Advanced $66/month + tax, plus a quarterly-only Basic plan and custom Enterprise pricing; 14-day free trial on all plans and no markup on Meta's own WhatsApp conversation fees (source: happilee.io/pricing/).
Starting priceFree self-hosted; Enterprise from USD120 per month plus per-seat add-ons$ 12.00/Mo
Free planYesNot documented
Free trialNot documentedYes
PlatformsNot documentedNot documented
Team collaborationNot documentedNot documented
AI featuresNot documentedNot documented
Public APIYesNot documented

Pricing Compared

Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.

Windmill

Free and Open-Source — $0 self-hosted
Enterprise — From $120 per month monthly or annual

happilee

No individual plan breakdown documented yet.

Pros & Cons

Windmill

Pros

  • Genuinely free, full-featured open-source self-hosted tier
  • No vendor lock-in since logic is written in mainstream programming languages
  • Fast job execution engine suited to high-throughput automation
  • Supports a wide range of languages in one platform
  • Backed by credible investors and growing enterprise customer base

Cons

  • Requires coding skills, making it less accessible to non-technical users than pure low-code tools
  • Enterprise features like SAML group sync and unlimited audit logs are gated behind the paid tier
  • Per-seat and per-worker add-on pricing can increase Enterprise costs as usage grows
  • Smaller community and ecosystem compared to more established automation platforms

happilee

Pros

  • No-code chatbot builder means non-technical teams can automate WhatsApp conversations without engineering help
  • Pricing model advertises zero markup on Meta's own conversation charges, which can undercut competitors that add a margin
  • Built-in integrations with common CRM (HubSpot, Zoho CRM, FreshSales) and ecommerce (Shopify) tools reduce setup friction

Cons

  • Pricing and marketing content is heavily localized to India/GCC, so international buyers may find plans and support less tailored to their market
  • Entry-level Basic plan is only available on quarterly billing, limiting flexibility for teams that want to test month-to-month
  • Integration list is relatively narrow (a handful of CRM/ecommerce tools plus Zapier), so deeper native integrations may be limited

Use Cases

Windmill

  • Internal tool building — Engineering teams turn scripts into internal apps and dashboards without building custom UIs from scratch.
  • Data pipeline automation — Data teams orchestrate multi-step data pipelines and scheduled jobs using DAG-based flows.
  • Operational automation — DevOps and operations teams automate recurring operational scripts and approvals with access controls.

happilee

Read the full Windmill review · Read the full happilee review