Best SEO Tools
The best SEO tools ranked by data quality, usability, and value. Ahrefs and Semrush lead on raw data, but the cheaper picks below cover most teams' needs for a fraction of the price.
We ranked 10 picks for SEO Tools. Ahrefs takes the #1 spot at 4.6/5 (from $29/mo). Entry pricing runs $12–$199/mo. 2 offer a free tier. 7 have a public API.
Our picks at a glance
Screaming Frog
Genuine free tier — test it before committing budget.
SE Ranking
4.8/5 across 1,432 reviews.
Semrush is a comprehensive SEO and marketing platform covering keyword research, site audits, rank tracking, and competitor analysis. The category leader for serious marketers, with the largest keyword database of any suite — and a price tag to match.
SE Ranking packs keyword research, rank tracking, competitor analysis, and white-label client reporting into one platform built for agencies. It is the highest-rated tool in this category on G2, though its entry price rose sharply when the old Essential tier was retired.
Mangools bundles KWFinder, SERPChecker, SERPWatcher, LinkMiner, and SiteProfiler behind the cleanest interface in the category. It is the tool people recommend when someone finds Semrush overwhelming — though it is no longer the budget pick it once was.
Moz Pro is one of the longest-running SEO platforms, best known for inventing the Domain Authority metric. It pairs solid rank tracking and site crawls with the industry's best learning resources, making it a gentle on-ramp for teams new to SEO.
Serpstat covers keyword research, backlinks, rank tracking, site audit, and PPC research in a single growth-stack platform, with API access from mid tiers. Good breadth for the money, wrapped in an interface that shows its age.
Screaming Frog SEO Spider is a desktop crawler that technical SEOs reach for when they need to find broken links, redirect chains, duplicate titles, and rendering problems at scale. It sells as a flat annual licence and crawls up to 500 URLs free.
Neil Patel's Ubersuggest is the cheapest way into keyword research and rank tracking, and the only major SEO tool sold as a one-time lifetime licence. Data depth trails the leaders, but for solo founders and bloggers the price is hard to argue with.
Similarweb estimates traffic, audience, and market share for any website or app, making it the reference tool for competitive benchmarking rather than day-to-day SEO. Pricing is quote-only and firmly enterprise.
The full ranking
| # | Tool | Starts at | Rating | Best for |
|---|---|---|---|---|
| 1 | Ahrefs SEO toolset with the best backlink index | $29/mo | 4.6/5 | SEO professionals |
| 2 | Semrush All-in-one SEO & marketing toolkit | $199/mo | 4.5/5 | Marketers & agencies |
| 3 | SE Ranking Agency-grade SEO platform with white-label reporting | $129/mo | 4.8/5 | SEO agencies |
| 4 | Mangools The friendliest keyword research UX in SEO | $61/mo | 4.7/5 | Freelancers & small teams |
| 5 | Moz Pro Veteran SEO suite built around Domain Authority | $49/mo | 4.3/5 | SMBs & in-house marketers |
| 6 | Serpstat Broad SEO and PPC suite at mid-market pricing | $50/mo | 4.6/5 | Growing agencies |
| 7 | SpyFu Competitor PPC and SEO espionage | $39/mo | 4.6/5 | PPC marketers |
| 8 | Screaming Frog The industry-standard technical SEO crawler | Free | 4.7/5 | Technical SEOs |
| 9 | Ubersuggest Budget SEO built for beginners | $12/mo | 4.2/5 | Solo founders & bloggers |
| 10 | Similarweb Enterprise market and traffic intelligence | Custom | 4.5/5 | Enterprise analysts |
Side-by-side comparison
| Comparison | ||||
|---|---|---|---|---|
| Rating | 4.6 | 4.5 | 4.8 | 4.7 |
| Starting price | $29/mo | $199/mo | $129/mo | $61/mo |
| Pricing model | Paid | Paid | Paid | Paid |
| API available | ||||
| Best for | SEO professionals | Marketers & agencies | SEO agencies | Freelancers & small teams |
| Site Explorer | ||||
| Keywords Explorer | ||||
| Content Explorer | ||||
| Rank Tracker | ||||
| Site Audit | ||||
| Keyword research | ||||
| Site audit | ||||
| Rank tracking | ||||
| Backlink analysis | ||||
| Content tools | ||||
| Competitor research | ||||
| White-label reports | ||||
| KWFinder | ||||
| SERPChecker | ||||
| SERPWatcher | ||||
| LinkMiner | ||||
| SiteProfiler | ||||
| Visit | Visit | Visit | Visit |
What to look for in SEO tools
- Check whether pricing is per seat — it multiplies with team size.
- Headline prices usually assume annual billing; monthly costs more.
- Confirm the integrations you already depend on are supported.
- Start on a free tier or trial before committing to a year.
How we rank: we weigh user ratings, feature depth, pricing value, and fit for this specific use case — not rating alone. Rankings are updated as products and prices change, and affiliate relationships never affect the order.
Frequently asked questions
What is the best SEO tools?+
Ahrefs is our #1 pick, rated 4.6/5 and starting at $29/mo. Best backlink data The full ranked list with pricing and trade-offs is above.
Is there a free SEO tools option?+
Yes — Screaming Frog, Similarweb offer a free tier, so you can start without paying.
What is the cheapest SEO tools?+
Ubersuggest at $12/mo. Across our picks, entry pricing runs $12–$199/mo.
Which of these is rated highest by users?+
SE Ranking, at 4.8/5 across 1,432 reviews. We rank on overall fit for the use case, not rating alone, which is why it is not automatically #1.
How did you rank these tools?+
Rankings weigh user ratings, feature depth, pricing value, and fit for this specific use case — not rating alone. We update them as products and prices change.