Dub vs GrowthBook: Which Should You Choose in 2026?
Choosing between Dub and GrowthBook 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:
Dub
Open-source link management
Best for you if:
- • You want the higher-rated option (8.4/10 vs 8.2/10)
- • You need a/b testing features specifically
- • Open-source link management platform
- • Custom domains and detailed analytics
GrowthBook
Open-source feature flags and A/B testing
Best for you if:
- • You need feature flags features specifically
- • Open-source feature flags
- • Self-host for full control
| At a Glance |  Dub |  GrowthBook |
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | A/B Testing | Feature Flags |
Rating | 84/100 | 82/100 |
| Feature | Dub | GrowthBook |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Editorial Score | 84 | 82 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 137 | 0 |
| Categories | A/B TestingWeb Analytics | Feature FlagsA/B Testing |
Understanding the Differences
Both Dub and GrowthBook solve similar problems, but they approach them differently.Dub positions itself as "open-source link management" while GrowthBookfocuses on "open-source feature flags and a/b testing". These differences matter depending on what you're trying to accomplish.
When to Choose Dub
Dub makes sense if you're looking for a budget-friendly option with a free tier solution. With a score of 84/100, it's our top pick in this comparison.
When to Choose GrowthBook
GrowthBook is worth considering if you need a flexible option with both free and paid tiers tool.
Who Should Use What?
Bootstrapped or small team?
When every dollar counts, Dub lets you get started without pulling out your credit card.
We'd pick: Dub
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. Dub handles scale better in our testing.
We'd pick: Dub
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: Dub
Still not sure? Answer these 3 questions
How much can you spend?
Tight budget? Start free with Dub, upgrade when you're ready.
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 Dub higher (84/100). But the community has upvoted Dub more (137 votes). Pick your source of truth.
Key Takeaways
What Dub Does Better
- Higher overall score (84/100)
- More community upvotes
- Our recommendation for most use cases
Consider GrowthBook If
- You want to start free and scale later
- 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 Dub (84/100). But the honest answer is that "better" depends on your situation. Dub scores higher in our analysis, but GrowthBook 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 Dub or GrowthBook better?
Based on our analysis, Dub scores higher with 84/100. Dub isfreemium while GrowthBook is freemium. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from Dub to GrowthBook 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 Dub and GrowthBook offer free trials?
Most software in this category offers free trials or free tiers. Dub is freemium with a free tier.GrowthBook is freemium with a free tier. Visit their websites for current trial offers.