Odoo vs Mercury: Which Should You Choose in 2026?
Choosing between Odoo and Mercury comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Odoo
All-in-one open-source business management software with a vast app ecosystem.
Best for you if:
- • You want the higher-rated option (9.0/10 vs 8.8/10)
- • You need crm features specifically
- • All-in-one open-source business management software with integrated apps.
- • Offers a free community edition and paid enterprise plans with extensive customization.
Mercury
Banking for startups
Best for you if:
- • You need something completely free
- • You need accounting features specifically
- • Banking built for startups
- • No monthly fees or minimums
| At a Glance |  Odoo |  Mercury |
|---|---|---|
Price | Free + Paid | Free |
Best For | CRM | Accounting |
Rating | 90/100 | 88/100 |
| Feature | Odoo | Mercury |
|---|---|---|
| Pricing Model | Freemium | Free |
| Editorial Score | 90 | 88 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 176 |
| Categories | CRMWorkflow Automation | AccountingExpense Management |
Understanding the Differences
Both Odoo and Mercury solve similar problems, but they approach them differently.Odoo positions itself as "all-in-one open-source business management software with a vast app ecosystem." while Mercuryfocuses on "banking for startups". These differences matter depending on what you're trying to accomplish.
When to Choose Odoo
Odoo makes sense if you're looking for a budget-friendly option with a free tier solution. With a score of 90/100, it's our top pick in this comparison.
When to Choose Mercury
Mercury is worth considering if you need a free tool.
Who Should Use What?
Bootstrapped or small team?
When every dollar counts, Odoo lets you get started without pulling out your credit card.
We'd pick: Odoo
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. Odoo handles scale better in our testing.
We'd pick: Odoo
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Both have enterprise tiers—compare their security features.
We'd pick: Odoo
Still not sure? Answer these 3 questions
How much can you spend?
Zero budget? Mercury won't cost you anything.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated Odoo higher (90/100). But the community has upvoted Mercury more (176 votes). Pick your source of truth.
Key Takeaways
What Odoo Does Better
- Higher overall score (90/100)
- Our recommendation for most use cases
Consider Mercury If
- You need a completely free solution
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with Odoo (90/100). But the honest answer is that "better" depends on your situation. Odoo scores higher in our analysis, but Mercury might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is Odoo or Mercury better?
Based on our analysis, Odoo scores higher with 90/100. Odoo isfreemium while Mercury is free. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from Odoo to Mercury easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do Odoo and Mercury offer free trials?
Most software in this category offers free trials or free tiers. Odoo is freemium with a free tier.Mercury is completely free. Visit their websites for current trial offers.