
SEMRush
Moz
Profound
SE Ranking
Serpstat
Otterly.AI
Surfer SEO
Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!

Optmyzr
Adalysis
Opteo
Results-driven advertising portfolio optimization solution with clear goals and and measurable growth.

Which is more popular?
Based on our record, Ahrefs seems to be more popular. It has been mentioned 123 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | ahrefs.com | scalechapter.com |
| Pricing | ||
| Company | Startup from Singapore | Startup from the United Kingdom · 10 - 19 employees |
| Listed in |
In their own words, as submitted to SaaSHub.


Ahrefs is trusted by SEOs and marketing professionals worldwide as the ultimate toolset for SEO, powered by industry-leading data. Ahrefs crawls the web, stores tons of data and makes it easily accessible via a simple user interface. The data can be used to aid keyword research, link building,...
Advertising systems built on data and AI, designed for modern marketing teams at scale.
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
Ahrefs Review and Tutorial: Is This The Only SEO Tool You Need?
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Ahrefs and Scale Chapter.
Scale Chapter's answer:
Performance marketing teams, agencies, e-commerce brands, SaaS companies, and businesses running significant paid advertising campaigns on platforms such as Google Ads and Meta.
Scale Chapter's answer:
Scale Chapter combines AI-powered advertising software with hands-on agency expertise. Our platform continuously analyses campaigns, budgets, keywords, search terms, landing pages, and creatives to uncover optimisation opportunities and reduce wasted spend.
Scale Chapter's answer:
Unlike standalone PPC tools, Scale Chapter combines proprietary optimisation software with experienced performance marketers. Users get both automated analysis and strategic human oversight in one solution.
Scale Chapter's answer:
Scale Chapter was developed at the University of Oxford in collaboration with Oxford Venture Builder. It started from a simple idea: combine AI, advertising data, and experienced marketers to make campaign optimisation faster, more accurate, and more scalable.
Scale Chapter's answer:
Scale Chapter uses technologies including AI and large language models, Google Ads APIs, PostgreSQL, Prisma, Redis, BigQuery, Vercel, Cloudflare, and modern data-processing and automation infrastructure.
Scale Chapter's answer:
E-commerce brands SaaS companies High-ticket B2B businesses Multi-location service businesses Performance marketing clients across the UK, Europe, and North America
Specific client names are kept confidential unless permission has been given to disclose them.
Share your experience with using Ahrefs and Scale Chapter. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


I've really enjoyed using Ahrefs to inform my content creation, particularly because the Keyword Explorer is so useful for identifying low-difficulty keywords.
For full management : Semrush or Ahrefs cover research, auditing, and tracking in one place, making them ideal for agencies managing multiple clients. See our guide to the best SEO tools for agencies.
Ahrefs is renowned for its robust keyword research and industry-leading backlink analysis. Designed as a comprehensive web-based suite, Ahrefs empowers affiliate marketers to uncover profitable keywords and analyze...
We have no reviews of Scale Chapter yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Marketing-led growth (MLG) involves extensive marketing initiatives to drive customer acquisition, retention, and expansion. Brands such as HubSpot and Ahrefs have found success with MLG by leveraging large content libraries to generate... - Source: dev.to / 6 months ago
Ahrefs provides industry-leading backlink analysis alongside powerful content research capabilities that help WordPress sites build authority. Site Explorer reveals your complete backlink profile while identifying link-building... - Source: dev.to / 9 months ago
Domain Rating is a proprietary metric developed by Ahrefs that measures the strength of your website's backlink profile. - Source: dev.to / about 1 year ago
Tracking Scale Chapter since Sep 2026.
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Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.
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Adalysis offers optimization and testing tools.
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Profound helps brands gain visibility in AI-generated answers, optimize their presence in LLM-based answer engines, and stay competitive in the zero-click world.
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Opteo searches for statistically significant patterns in an account and creates "optimization tasks" to improve account performance.
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