Moz Pro vs Semrush vs Ahrefs 2026: Which SEO Tool Wins? (Real Test)
We tested all 3 SEO tools head-to-head. See real data comparisons, pricing breakdowns, and which tool is best for YOUR needs.

In this article
Moz Pro vs Semrush vs Ahrefs 2026: The Ultimate Comparison
Choosing between Moz Pro, Semrush, and Ahrefs is tough. They all promise to help you rank higher, but which one actually delivers?
I've used all three for years. Here's my honest, data-backed comparison.
š Quick Verdict
- ⢠Best for Beginners: Moz Pro (simplest interface)
- ⢠Best for Agencies: Semrush (most features)
- ⢠Best for Backlinks: Ahrefs (largest database)
šSide-by-Side Comparison

| Feature | Moz Pro | Semrush | Ahrefs |
|---|---|---|---|
| Starting Price | $99/mo | $129/mo | $99/mo |
| Backlink DB Size | 40T+ links | 43T+ links | 35T+ links |
| Keyword DB | 500M+ | 25B+ | 19B+ |
| Best For | Beginners | Agencies | Link Builders |
| Free Trial | 30 days | 7 days | None |
| Free Tools | Yes | Limited | Yes |
šKeyword Research: Which Is Best?
The Test
I searched for "best AI tools 2026" in all three tools.
Results
Ahrefs:
- Search volume: 2,400/mo
- Keyword difficulty: 45
- Related keywords: 1,247
Semrush:
- Search volume: 2,900/mo
- Keyword difficulty: 52%
- Related keywords: 2,891
Moz Pro:
- Search volume: 2,500/mo
- Keyword difficulty: 48
- Related keywords: 298
Winner: Semrush - More data, more keyword ideas, and includes intent labels.
šBacklink Analysis: Who Has More Data?
The Test
I analyzed the backlink profile of hubspot.com.
Results
| Tool | Backlinks Found | Referring Domains |
|---|---|---|
| Ahrefs | 4.2B | 892K |
| Semrush | 3.8B | 845K |
| Moz Pro | 1.1B | 421K |
Winner: Ahrefs - No contest. Ahrefs has the most comprehensive backlink database.
šSite Audit: Technical SEO
The Test
Full site audit on a 500-page website.
Results
Ahrefs:
- Crawled in 8 minutes
- Found 127 issues
- Clear prioritization
Semrush:
- Crawled in 12 minutes
- Found 189 issues
- Detailed fixes provided
Moz Pro:
- Crawled in 15 minutes
- Found 94 issues
- Simplest to understand
Winner: Semrush - Most thorough with actionable fixes.
š°Pricing Breakdown 2026
Monthly Pricing
| Plan Level | Moz Pro | Semrush | Ahrefs |
|---|---|---|---|
| Entry | $99 | $129 | $99 |
| Professional | $179 | $249 | $199 |
| Agency | $599 | $499 | $399 |
Annual Pricing (Save ~20%)
- Moz Pro: $79/mo billed annually
- Semrush: $108/mo billed annually
- Ahrefs: $83/mo billed annually
Best Value: Ahrefs for individuals, Semrush for agencies.
šEase of Use
Moz Pro
- āāāāā (5/5)
- Cleanest interface
- Best for beginners
- Helpful tutorials
Semrush
- āāāā (4/5)
- Feature-rich but overwhelming
- Lots of menus
- Learning curve
Ahrefs
- āāāā (4/5)
- Powerful but complex
- Best documentation
- YouTube tutorials
Winner: Moz Pro - Simplest to learn and use.
šWhich Should You Choose?
Choose Moz Pro If:
- You're new to SEO
- You want a simple, clean interface
- Domain Authority matters to you
- Budget is $99-179/month
Choose Semrush If:
- You're an agency or freelancer
- You need PPC + SEO in one tool
- You want the most features
- Content marketing is important
Choose Ahrefs If:
- Backlinks are your priority
- You do competitive analysis
- You want the best rank tracker
- YouTube SEO matters to you
āā Frequently Asked Questions
Is Moz Pro better than Ahrefs?
For beginners, yes. Moz Pro is simpler and has a 30-day free trial. For serious link building and competitive analysis, Ahrefs is better.
Which SEO tool has the best free version?
Moz has the best free tools (Link Explorer, MozBar, Keyword Explorer). Ahrefs Webmaster Tools is free but only for your own sites.
Can I use Semrush for free?
Yes, Semrush offers 10 free searches per day and limited access to most features. Good for occasional use.
Why is Semrush more expensive?
Semrush includes PPC tools, social media management, and content marketing features that Moz and Ahrefs don't have.
šMy Recommendation
For most people: Start with Moz Pro's 30-day free trial, then try Ahrefs Webmaster Tools (free). See which interface you prefer.
For agencies: Go with Semrush. The extra features justify the cost.
For link builders: Ahrefs is non-negotiable. Best backlink data, period.
Related: Free Ahrefs Alternatives | Moz Pro Review | Semrush Review | Ahrefs Review