Features, use cases, pros and cons, and pricing side by side — and which one to pick.
Quick verdict: Pick Diib if you want free, plain-English SEO help for a small business; choose Semrush if you're a marketer or agency needing an all-in-one platform.
Best for: Small business owners who want SEO direction without hiring an agency, Non-technical founders who prefer plain-English recommendations
Read the full Diib reviewBest for: Marketing teams researching an all-in-one SEO and visibility platform, Agencies managing multiple client websites and campaigns
Read the full Semrush reviewCommission may apply at no extra cost
Compare key features side by side
Feature Comparison Summary
Diib pairs a genuinely free scan with advice benchmarked against 800,000+ small-business sites, plus AI-search visibility tracking most rivals skip — though headline revenue claims are vendor-reported and refund terms aren't published. Overall, it's a low-risk starting point for small businesses that want plain-English direction, as long as you're ready to do the fixing yourself.
Semrush bundles SEO, content, and competitive research into one platform with tiered plans that scale by usage limits. Its reputation and breadth are clear strengths, but the reviewed materials didn't confirm exact prices or trial terms. Overall, it's a promising pick for teams, provided you verify pricing and limits on semrush.com first.
Diib is a growth analytics platform for small and medium businesses. Its core tool is Dash, an AI analyst trained on data from over 800,000 member sites across 614 industries. You enter your URL and get a free snapshot of SEO gaps, AI visibility, and quick fixes. It's built for owners who want plain-English answers, not dashboards they have to decode.
Semrush is a digital marketing platform aimed at marketers, agencies, and business owners who need to understand and grow their online visibility. It's widely used for SEO, content, and competitive research. It suits teams that want one tool for several marketing jobs instead of multiple single-purpose apps. Note: details here could only be partly verified from the vendor's public page, so confirm specifics on semrush.com.
List prices from each vendor's pricing page, before taxes and add-ons. Costs are per month.
| Pricing compared | Diib | Semrush |
|---|---|---|
| From (cheapest paid plan) | $30/mo Pro | $139/mo SEO |
| Free plan | Yes | No |
| Free trial | Not stated | Not stated |
| Money-back guarantee | Not stated | Not stated |
| Annual billing savings | — | Up to 17% |
| Pricing model | Flat price | Flat price |
| Cost for 1 user | FreeCheaper Free plan, billed annually | $117.33/mo SEO plan, billed annually |
| Cost for 5 users | $30/mo Pro plan, billed monthly · price per account (user limit not stated) | — |
| Cost for 10 users | $30/mo Pro plan, billed monthly · price per account (user limit not stated) | — |
| Cost for 25 users | $30/mo Pro plan, billed monthly · price per account (user limit not stated) | — |
| Plans | 2 | 4 |
| Prices checked | Checked Oct 16, 2026 | Vendor page checked Oct 16, 2026 |
| Price history | Tracking prices since Sep 7, 2026. No price change detected yet. | Tracking prices since Sep 30, 2026. No price change detected yet. |
For 1 user (billed annually), Diib costs $0/mo vs Semrush at $117.33/mo.
Computed from published list prices on the dates shown. Excludes taxes, add-ons and promotions.
Yes. The free scan takes about 60 seconds and needs no credit card. Refund terms aren't published, though, so confirm billing details before upgrading to Pro.
Semrush. It's designed for teams consolidating research, tracking, and reporting, and it scales to agencies. Diib caps at 30 websites on Pro. Confirm Semrush's seat limits first.