The short version
- Free tools cover your own site thoroughly. What you cannot get free is competitor data — that is the entire commercial basis of the paid suites.
- A free stack of Search Console, Bing Webmaster Tools and the Screaming Frog free tier covers most of a small site’s needs.
- You should pay when you need competitor research, link data at depth, rank tracking at scale, or reporting for clients.
- The most common mistake is paying before anyone has time to act on the free data you already have.
There is a clean line running through the SEO tool market, and once you see it the buying decision becomes much simpler. Everything about your own site is available free, because the search engines give it to you. Everything about everyone else’s site costs money, because somebody had to crawl the web to produce it.
That single distinction explains why Search Console is free and Ahrefs is $129 a month, and it tells you exactly when to open your wallet: at the point where your questions stop being about you.
The short answer
Fit for your workflow
Free until your questions are about competitors. Then pay.
If your current questions are "which of my pages get impressions", "what is broken on my site", "is my markup valid" or "how fast is my site", the free tools answer all of them completely and with first-party accuracy. If your questions are "who links to my competitor", "what are they ranking for that I am not" or "how hard is this keyword", you need a paid index and no free workaround exists.
- One small site, no competitors researched
- Free stack. You will not hit its limits for months.
- Need competitor research
- Pay. This is the actual product you are buying.
- Client reporting
- Pay — free tools have no white-label output.
- Site over ~500 pages
- Pay for a crawler licence at minimum.
What the free stack genuinely covers
Search Console scores 2 on keyword research and rank tracking because it gives you real query and position data — for your own site only. That caveat is the whole story of this page.
Read that table carefully and the shape of the free stack becomes clear. It is strong on everything first-party and empty on everything comparative. It also has no content-optimisation capability and no reporting worth showing a client — both genuine gaps rather than artefacts of the scoring.
What money actually buys
Prices from the vendor pricing tables elsewhere on this blog, read on the date shown in the sources.
The crossover signals
- You keep asking about competitors and guessing at the answer. That is the clearest signal, and no free tool will resolve it.
- Your site exceeds 500 URLs and you cannot complete a crawl on the free tier.
- Someone else needs the report — a client, a board, an investor. Free tools produce no presentable output.
- You are choosing between topics regularly and need volume and difficulty estimates to prioritise.
- Your time has become more expensive than the subscription. A tool that saves three hours a month justifies itself quickly.
Notice what is not on that list: "my site got bigger" or "I want to be more serious about SEO". Neither of those changes what a free tool can tell you. The trigger should be a specific question the free stack cannot answer, not a general sense that real practitioners pay for things.
The purchase that most often wastes money
Buying a $139/mo suite while the last free audit sits unimplemented. If nobody has acted on what Search Console and a free crawl already told you, a paid tool adds a longer list of unactioned items and a monthly invoice. Fix the throughput first — see do you need a subscription.