Moz Pro vs Semrush: SEO Heavyweight Sparring Match
Moz and Semrush are two pillars of the SEO industry, but with completely different philosophies. Moz is a Swiss Army knife for SEO: compact, clear, sufficient for most tasks. Semrush is a Swiss army with an attached fleet: SEO, PPC, content marketing, social media, PR — all in one.
Sites: moz.com | semrush.com
The Key Difference in One Sentence
Moz Pro — a tool for the SEO specialist. Semrush — a tool for the entire marketing department.
SEO Feature Comparison
| Feature | Moz Pro | Semrush |
|---|---|---|
| Keyword Research | 1.25B KW | 22B+ KW |
| Rank Tracking | Up to 9,500 KW | Up to 5,000 KW (Guru) |
| Backlink Index | 45T+ | 43T+ |
| Domain Authority | DA (proprietary) | Authority Score |
| Spam Score | ✓ | ✗ |
| Site Audit | Up to 4M pages | Up to 300K pages (Guru) |
| Local SEO | ✓ Moz Local | Basic |
| PPC Data | ✗ | ✓ |
| Content Marketing | ✗ | ✓ |
| Social Media | ✗ | ✓ |
What Semrush Has That Moz Doesn’t
- PPC competitor analysis (ads, keywords, budgets)
- Content marketing tools (Topic Research, SEO Writing Assistant, Content Audit)
- Social media scheduling and analytics
- PR and outreach tools
- Market Explorer for industry benchmarking
Pricing
| Plan | Moz Pro | Semrush |
|---|---|---|
| Basic | $49/mo (Starter) | $139/mo (Pro) |
| Medium | $99/mo (Medium) | $249/mo (Guru) |
| Advanced | $149/mo (Large) | $499/mo (Business) |
| Enterprise | $279/mo (Premium) | Custom |
Semrush is 2–3× more expensive. For that price, you get SEO + PPC + content + social + PR. If you only need SEO tools, Moz delivers 80% of the functionality at 40% of Semrush’s price.
Who Should Choose What
Moz Pro — best for:
- SEO specialists and small agencies (5–10 clients)
- Content teams without PPC needs
- Local businesses (Moz Local is unique)
- Teams that value simplicity over feature count
Semrush — best for:
- Full-stack marketers (one tool instead of 3–4)
- Large agencies (more data = better client reports)
- E-commerce in competitive niches (PPC + Market Explorer)
- Teams needing social media and PR tools
Data Quality: Myths and Reality
- Keyword Research: Semrush has 17× larger database. For Russian-language queries, Semrush is also broader. Moz has better prioritization (Priority Score considers CTR).
- Backlink Analysis: Both have comparable index sizes. Ahrefs still leads in freshness. The Moz vs Semrush difference isn’t critical for 90% of tasks.
- Rank Tracking: Moz has more generous limits (1,500 KW in Medium vs ~1,000 in Semrush Guru at $249). Semrush updates more frequently with better geo-targeting.
Verdict
Moz Pro is the rational choice. You pay for SEO tools and get SEO tools. For 80% of SEO specialists and agencies, Moz’s functionality is sufficient, and the $100–150/month savings vs Semrush is a nice bonus.
Semrush is the ambitious choice. If your digital strategy includes PPC, content marketing, and PR — Semrush replaces 3–4 separate tools. More expensive, but gives the full picture.
Practical compromise: Moz Pro for daily SEO work + Ahrefs for deep backlink analysis. Together: $99 + $129 = $228/month — slightly more than Moz, cheaper than Semrush Guru.