Comparison · 4-min read
Flatline SEO vs Moz
Moz is the industry standard for link research and competitive analysis. We built the fast, plain-English local-SEO audit that Moz users often layer on top. Compare: we're $29/month, they're $99+. We're 15 seconds, they're minutes. Same findings, radically different UX.
Run a free audit$29
Flatline entry
vs $99 Moz
<15s
Flatline audit
vs 2-3m Moz
7
Audit categories
Core checks, clear copy
EU-west-2
Data residency
GDPR-compliant hosting
Moz ($99+/mo) is the authority on link research and rank tracking with a proprietary Domain Authority score. Flatline ($29/mo) is a fast, plain-English on-page audit. Use Moz for competitive research, Flatline for quick monthly health checks at a fraction of the cost.
| Feature | Flatline SEO | Moz |
|---|---|---|
| Free audit (no account) | ✓ Unlimited public audits | Limited free credits |
| Entry paid price | $29 / month | $99+ / month |
| Time to first score | ~15 seconds | 2-3 minutes |
| Score scale | Visibility Score 0-100 | Domain Authority (DA) 0-100 |
| On-page audit categories | 7 (perf, on-page, mobile, security, social, crawl, schema) | Similar, slower render |
| Plain-English fix advice | ✓ Every finding explained | Mostly technical outputs |
| Backlink database | Uses third-party APIs | ✓ Proprietary link index |
| Competitor keyword tracking | Not included | ✓ Core feature (Pro+) |
| Rank tracking | Not included | ✓ Core feature |
| GDPR-compliant hosting | ✓ EU-west-2 (London) | US-hosted |
| Local business focus | ✓ Built-in local SEO checks | Global, not local-specific |
| Branded client reports | ✓ Pro tier ($79) | ✓ Available at higher tiers |
| Live support | ✓ Direct team | Help centre + forums |
"Moz is our research backbone, but for quick health checks we switched to Flatline. It's honest, it's fast, and our clients actually understand the reports."
UK digital agency director, 2026
Why pick Flatline
If you want a fast, monthly audit that tells you exactly what's broken in plain English, and you don't need their backlink database or rank tracker, Flatline is a third of Moz's cost with no complexity. Pure local-SEO focus.
Why pick Moz
If you're doing link building, competitive research, or rank tracking at scale, Moz's proprietary data and maturity are unmatched. Their Domain Authority is industry gold. Run Flatline monthly alongside them for the best of both.
Common questions
Can Flatline replace Moz entirely?+
No, not if you rely on their backlink data or rank tracking. What Flatline replaces is the slowness of their basic audit. Use both: Moz for research, Flatline for monthly health checks.
Why doesn't Flatline have a proprietary backlink database?+
Building one costs hundreds of thousands and takes years. We route through vetted third-party APIs instead, which keeps Flatline affordable and keeps you honest about what's proprietary vs. public data.
Is Flatline data as authoritative as Moz's DA score?+
Our Visibility Score measures on-page health and crawlability. Moz's DA measures authority via links. Different goals. For most local businesses, on-page is the quick win.
Can I use both alongside each other?+
Absolutely. Many agencies run Flatline for fast monthly client audits and keep Moz for research and reporting. They complement each other well.
See what Flatline finds in 15 seconds
Run your site (or a Moz client's site) through Flatline. Compare the speed and the clarity to your last Moz audit.