
SEMRush
Screaming Frog SEO Spider
Ahrefs
Moz
SEO PowerSuite
Seobility
Sitechecker
SEO website analysis & audit tool

TinyPNG
Squoosh
Screaming Frog SEO Spider
iLoveIMG
Sitechecker
ImageOptim
Lumar
Free online tools for developers and site owners: compress and convert images to WebP/AVIF, PDF to images, text checker and a 400-point SEO audit. No sign-up.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | seomator.com | app-kit.dev |
| Pricing | ||
| Company | — | 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


In-depth technical SEO analysis and SEO on-page testing tool for websites optimization
App-Kit is a set of free web tools for developers and site owners. Compress JPG, PNG and GIF to WebP or AVIF, convert HEIC, resize and crop, turn PDF pages into images, check a text for readability and keyword stuffing, and run a 400-point SEO audit that returns a 0-100 score and a PDF report. No...
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
SEOmator is recommended for SEO professionals, digital marketing agencies, and website owners who need detailed reports and technical SEO insights to optimize their websites. It's also suitable for businesses looking to enhance their online presence and understand how they stack up against competitors.
No analysis of App-Kit.dev yet.
Walkthroughs and reviews on video.
Seomator Domain Comparison Tool
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using SEOmator and App-Kit.dev. For example, how are they different and which one is better?
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Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!
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The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links...
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Compress and compare images with different codecs, right in your browser
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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!
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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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