7 Best AI SEO Tools to Boost Your Rankings (Tried and Tested) – 99signals
SEO today looks nothing like it did just a couple of years ago.
Between Google’s unpredictable algorithm updates, the Helpful Content System rollout, and the rise of generative AI, traditional playbooks are no longer enough.
If you’re still relying solely on keyword research and backlink outreach, you’re playing 2020’s game in 2025.
I’ve spent the past few months stress-testing a number of AI-powered SEO tools: some impressive, most overhyped.
This articles features 7 AI SEO platforms that actually live up to their promises.
These tools have improved my workflow, helped content rank faster, and in a few cases, completely changed the way I approach topical authority and content velocity.
If you’re an affiliate marketer, blogger, or SEO agency owner looking to scale without burning out, this list is for you.
Table of Contents
If you’re short on time, here’s a quick TL;DR versions of the tools I’ve included:
Let’s take a closer look at each of these tools: what they excel at, who they’re best suited for, and how they’ve held up in actual use. No fluff, no hype. Just honest insights from real-world testing.
Semrush is still the most complete SEO platform in the game. Unlike many legacy tools, it hasn’t been slow to adopt AI. Instead of slapping “AI” onto a half-baked assistant,
From content ideation to competitive analysis, the platform has made genuine enhancements that reflect how SEO is evolving. It’s no longer just a keyword tracker, audit tool, or backlink analysis platform. It’s a full-stack SEO and content engine that happens to have one of the most robust datasets in the business.
Semrush is my daily driver, whether I’m auditing a client’s site, researching new keywords, or identifying backlink opportunities. But what’s truly made it indispensable is how it bridges strategy and execution.
I can go from a keyword gap analysis to a full content plan (with keyword intent, SERP data, and topic clusters baked in) without ever leaving the platform.
For someone managing multiple sites and clients, that kind of continuity matters.
Pricing: Starts at $139.95/month
Grab a 2-week free trial of
Recommended reading: Semrush Tutorial: The Ultimate Guide
Surfer isn’t trying to be an all-in-one platform. It doesn’t do backlink audits, keyword tracking, or rank monitoring—and that’s fine. Because what it does do, it does better than just about anything else: content optimization.
If you’ve ever updated a blog post, published a long-form tutorial, or managed writers at scale, you know how much time gets wasted on vague editorial feedback and “optimize for SEO” guesswork. Surfer fixes that.
Surfer is at the heart of nearly every content workflow I run. Whether I’m refreshing an older post or publishing something new, I rely on the Content Editor to guide the optimization process.
The Content Score isn’t just a vanity metric. Over time, I’ve seen a clear pattern: higher scores tend to deliver better rankings.
Even if I used it solely for content updates, Surfer would still justify its cost. The ROI is that consistent.
Pricing: Starts at $99/month
Try SurferSEO
NEURONwriter doesn’t have the flashiest UI. It doesn’t have a big marketing budget or slick integrations. What it does have is a surprisingly powerful optimization engine that gets the fundamentals right, and does it affordably.
If you grabbed the lifetime deal on AppSumo, you already know this is one of the best value plays in the AI SEO space. It was also one of AppSumo’s most popular deals at the time. But even at full price, NEURONwriter is worth considering if you’re running niche sites or managing freelance content at scale.
NEURONwriter is my go-to when I’m managing content for smaller sites or experimenting with programmatic SEO.
It loads fast, gives actionable feedback, and lets me create content briefs without breaking flow.
It may not have Surfer’s polish, but the optimization engine holds its own where it counts.
Pricing: Starts at $23/month
Try NEURONwriter for free
Frase is what I turn to when I need to move fast, especially when I’m juggling multiple outlines or managing external writers. It’s not as focused on long-term optimization as Surfer or Clearscope, but that’s not its strength. Frase excels at getting you started, which is often the hardest part.
The AI content brief generator is still one of the best I’ve tested, and the AI writing assistant has steadily improved over time.
When I need to onboard a freelancer or spin up a batch of outlines for a new project, Frase saves hours. It’s also useful for finding untapped FAQ and PAA-style questions. I don’t rely on it for optimization, but for research and ideation, it earns its keep. It works especially well as a complement to Surfer, which handles the post-draft optimization process.
Pricing: Starts at $45/month
Try Frase for free
AlliAI is one of those tools you don’t fully appreciate until you’re managing multiple websites or, worse, working with a dev team that’s slow to execute SEO fixes.
This platform skips the middleman. Add one snippet of code to your site, and you can implement live SEO changes across titles, meta descriptions, schema, and internal links, without touching the CMS.
This is a game-changer for technical SEO at scale. I’ve used AlliAI to push urgent meta updates across hundreds of blog posts, all without logging into WordPress. It’s not cheap, but if you run or manage multiple sites, or work in an agency setting, it pays for itself in time saved alone.
Pricing: Starts at $169/month
Try AlliAI free for 10 days
Clearscope has long been the gold standard for content optimization. While it doesn’t brand itself as AI-first, its machine learning engine is powered by Google NLP and delivers consistently accurate recommendations. I’ve seen these help improve rankings across several client projects.
The interface is clean, the scoring system is intuitive, and the recommendations are laser-focused. For enterprise SEO teams or agencies with high expectations, this is the tool that earns client trust.
When I’m handling high-stakes content (think PR-sensitive topics or long-form guides for SaaS clients), Clearscope gives me the confidence that I’ve covered every angle. It also helps standardize quality across teams, which is invaluable when scaling.
Pricing: Starts at $189/month
Try Clearscope
MarketMuse is designed for sites with scale and complexity. If you’re managing hundreds of published pages and struggling to prioritize what to update or publish next, this tool brings much-needed clarity.
It analyzes your entire content library, scores each page for quality and freshness, and uncovers gaps across your topical landscape. That insight makes it easier to build content clusters, align with search intent, and create a publishing roadmap that actually moves the needle.
When I’m auditing older content or planning a large-scale content sprint, MarketMuse gives me a high-level view I can’t get elsewhere. It surfaces what’s worth updating and what new pages to prioritize based on data, not guesswork.
It’s especially useful for large sites with legacy content and overlapping topics, where editorial decisions have real impact.
Pricing: Free plan available; paid plans start at $149/month
Try MarketMuse for free
Let’s be real: not every tool on this list will suit everyone. So here’s what I personally use across my projects:
The rest are more situational: powerful, but not always necessary unless you’re managing large volumes or enterprise accounts.
If you’re serious about building topical authority and want to stay competitive in an AI-accelerated SEO world, pick one or two tools from this list and go deep.
If you’re testing any of these AI SEO tools or considering one for your stack, drop a comment below. I’ll be happy to share more insights or help you choose the right fit.
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Hi there, I’m Sandeep Mallya!
I’m an entrepreneur and digital marketing consultant from Bangalore, India. I founded my own digital agency, Startup Cafe Digital, in 2015 to help SMBs leverage SEO, social media, and content marketing to grow their traffic and generate qualified leads for their business.
I launched 99signals in 2016 as a side project to document all the strategies, tools, and tactics that I was using to grow my small agency. The goal was simple: to arm other entrepreneurs and bloggers with all the right information and tools they needed to launch a successful online business.
Since then, 99signals has grown significantly and generates over $10,000 in side income each month. Read More about “About Sandeep Mallya”…
Hi there, I’m Sandeep Mallya!
I’m an entrepreneur and digital marketing consultant from Bangalore, India. I founded my own digital agency, Startup Cafe Digital, in 2015 to help SMBs leverage SEO, social media, and content marketing to grow their traffic and generate qualified leads for their business.
I launched 99signals in 2016 as a side project to document all the strategies, tools, and tactics that I was using to grow my small agency. The goal was simple: to arm other entrepreneurs and bloggers with all the right information and tools they needed to launch a successful online business.
Since then, 99signals has grown significantly and generates over $10,000 in side income each month. Read More about “About Sandeep Mallya”…
A few links on this blog are affiliate links. If you purchase a product or service through one of these affiliate links, I’ll receive a commission at no additional cost to you.
Rest assured, I recommend only those tools that I personally use and genuinely trust. In most cases, you’ll find in-depth reviews, tutorials, and how-to guides of these tools on my blog to help you make informed decisions.
