act combines powerful contact management with sales and marketing automation in a single, easy‑to‑use platform. Designed for small to medium‑sized businesses, it helps teams track leads, nurture customers, and close deals faster. Its web interface and Windows client ensure you can work from anywhere while staying synchronized across devices.
Odoo combines ERP, CRM, accounting, inventory, and project management in a single, modular platform. Its open‑source core lets businesses start for free and add paid apps as they scale. Designed for small to medium‑sized businesses, Odoo runs in the browser and offers both cloud SaaS and self‑hosted deployments. Seamless integrations with Slack, Notion, GitHub, and Google Drive keep teams connected across tools.
- Intuitive UI reduces training time
- Robust integration with Microsoft and Google suites
- One‑time purchase eliminates recurring fees
- Comprehensive reporting without extra add‑ons
- Highly modular – add only the apps you need.
- Free core version lowers entry cost for SMBs.
- Strong integration ecosystem with popular SaaS tools.
- Both cloud and self‑hosted deployment options.
- Limited mobile app functionality
- No built‑in live chat feature
- Customization options can be complex for beginners
- Advanced apps can become costly as you scale.
- Customization may require technical expertise.
- User interface can feel cluttered with many modules active.
More alternatives & similar tools
Alternatives to act
View all →Alternatives to Odoo
View all →
Open‑source task manager that blends time tracking, kanban and agile planning for freelancers and small teams.
The Verdict
AI-generated from listing dataact is the safer default if you want completely free core CRM tools and a Windows desktop app, while Odoo is better if you need a broader ERP business suite with modular apps, an API, and 24/7 phone support. The main trade-off is that act offers a free, open-source CRM with zero API access, whereas Odoo is freemium with an available API and advanced paid modules.
Key differences
- •Pricing and cost structure: act is Free with no recurring fees mentioned, while Odoo uses a Freemium model where advanced apps can become costly as you scale.
- •API availability: Odoo provides an API, whereas act has no API available.
- •Support options: Odoo includes 24/7 phone support, live chat, and email, while act offers email, phone, and an online community forum without 24/7 or live chat support.
- •Ecosystem and key integrations: act integrates with Microsoft Office, Google Apps, and QuickBooks, while Odoo integrates with Slack, Notion, GitHub, and Google Drive.
Pricing & value
act is completely free with a one-time purchase eliminating recurring fees, whereas Odoo is freemium and advanced apps can become costly as you scale.
Features & depth
Odoo functions as an all-in-one business suite/ERP including accounting, inventory, and project management, whereas act focuses primarily on CRM, sales automation, and time tracking.
Integrations & ecosystem
Odoo has an available API and integrates with Slack, Notion, GitHub, and Google Drive, whereas act has no API available and integrates with Microsoft, Google, and QuickBooks.
Support
Odoo offers 24/7 phone support, live chat, and email, while act provides standard email, phone, and online community support without 24/7 or live chat.
Collaboration
Both support team collaboration, with act offering shared notes, task assignments, and a community forum, and Odoo featuring project planning, Gantt charts, and Kanban boards.
Scalability
Odoo is explicitly designed as a business suite that grows with your company with modular apps, whereas act is targeted at growing businesses with limited mobile functionality.
Ease of use / learning curve
act features an intuitive UI that reduces training time, whereas Odoo's user interface can feel cluttered with many modules active and customization requires expertise.
Choose act if…
Choose act if you need a free, intuitive CRM with Microsoft and Google integrations and no recurring fees.
Choose Odoo if…
Choose Odoo if you need an ERP business suite with an API, inventory management, and 24/7 phone support.
Common questions
Is act really free to use?
Yes, act is listed with Free pricing and a one-time purchase that eliminates recurring fees.
Does Odoo offer live chat support?
Yes, Odoo's support options include Email, Live Chat, and 24/7 Phone Support.
Can I connect these tools to third-party apps via an API?
Odoo has an API available, whereas act specifies that no API is available.
