
SEMRush
Ahrefs
Moz
SE Ranking
SEO PowerSuite
Majestic
Surfer SEO
Serpstat is the Swiss army knife for automating SEO processes. With a suite of powerful modules, you can track your performance, analyze your competitors, research keywords and backlinks, audit your website, and so much more.

AgentGatePay
x402
Real-world tasks your agent can't do alone.

Which is more popular?
Based on our record, Serpstat should be more popular than Underscore Done. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | serpstat.com | underscoredone.com |
| Pricing | ||
| Company | Startup from Ukraine · 50 - 99 employees · 2015 | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


Dive deep into keyword research with Serpstat's keyword database, now bigger than ever with global coverage across 230 regions. Uncover the most valuable keywords for your business, understand search intent, and optimize your content strategy
Underscore Done (_done) is a suite of pay-per-call utility APIs built for AI agents. No API keys, no subscriptions - agents pay per request with USDC via the x402 protocol
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Serpstat is recommended for digital marketers, SEO professionals, content creators, and businesses of all sizes looking for a comprehensive yet affordable SEO tool to enhance their online presence and gain insights into their competitors.
No analysis of Underscore Done yet.
Walkthroughs and reviews on video.
What is Serpstat?
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 Serpstat and Underscore Done.
Serpstat's answer
The AI-powered features for content optimization and generation are particularly noteworthy, as they go beyond traditional SEO tools to assist with content creation and enhancement.
Underscore Done's answer:
We provide data and actions that AI cannot achieve.
Also we don't require accounts, registration, api keys. And we charge per usage and never charge monthly subscriptions.
Serpstat's answer
With its focus on AI and continuous innovation, choosing Serpstat positions users to take advantage of emerging trends in digital marketing.
Serpstat's answer
Serpstat's primary audience includes digital marketers, agencies, in-house marketing teams, freelancers, content creators, and businesses looking to improve online visibility.
Underscore Done's answer:
Ai Agents that work on behalf of people.
Share your experience with using Serpstat and Underscore Done. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Serpstat is an affordable SEO tool with a one-week free trial. The only difference is that, unlike Moz, Serpstat doesn’t have a free version, so you’ll need to pick a paid plan once the trial is over.
Serpstat offers a balanced approach to SEO, blending competitive analysis with a user-friendly interface, making it suitable for users who want to combine keyword research with site audits and content strategies. Its...
Serpstat provides advanced tools for users looking to perform detailed SEO analysis and competitor research. Its extensive features make it ideal for those who need comprehensive insights into their website’s...
We have no reviews of Underscore Done yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


SERPstat: Provides a range of SEO features, including keyword research, competitor analysis, rank tracking, site audit, backlink analysis, and more. Source: about 3 years ago
Https://raventools.com - used it waaay back, since been acquired by TapClicks -not sure if that's a good thing or a bad thing Https://serpstat.com - see this one get mentioned quite a bit; never used tho Https://www.link-assistant.com... Source: over 3 years ago
Serpstat - A comprehensive SEO tool that offers keyword research, rank tracking, site audit, and backlink analysis. Pricing starts at AUD $103.20/month. Link: https://serpstat.com/. Source: over 3 years ago
_done is a catalog of small, pay-per-call utility APIs aimed at AI agents: things like DNS and WHOIS lookups, screenshots, OCR, hashing, QR codes, and SEO extraction. Every call costs one cent in USDC over x402. There's no account and no... - Source: dev.to / 24 days ago
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