Comparison

CheckSite vs SEO Inspector

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

CheckSite

Features
Read full description

CheckSite: find potential problems in HTML and CSS When making websites, you need to keep an eye on two types of standards: the official web standards, which are checked by the W3C Validator, and the unofficial standard of making sure that your website actually works as intended on all commonly used browsers. The advantage of using CheckSite is that it checks both, and that it does it automatically for all pages within your website. When done, CheckSite will produce an overview of all potential issues found in all pages, including an easy-to-read summary. Main features β€’ CheckSite is fast and user friendly β€’ Checks against both web standards, known issues, and best practices β€’ Finds links to other pages in your website and checks them as well β€’ Gives an easy-to-read summary of the results The checks β€’ Browser compatibility (e.g. does the page use constructs that are known to cause problems in certain browsers?) β€’ SEO (e.g. does the page adhere to SEO guidelines?) β€’ User experience (e.g. does the page have a favicon?) β€’ Internationalization (e.g. does the page use UTF-8 encoding?) If you like our app, please rate it in the Mac App Store so that we can use your feedback and keep creating updates.

About

SEO Inspector

Perform in-depth technical SEO audits of any website directly on your iPhone. Analyze raw and rendered HTML, including JavaScript-heavy content and SPAs, to identify hidden SEO issues. Inspect meta tags, sitemaps, structured data, and more in a privacy-focused, mobile-native environment.

Highlights
  • View RAW HTML & Rendered DOM
  • Extract and preview meta tags
  • Verify robots.txt and sitemaps
  • Analyze JSON-LD structured data
  • Detect redirects
  • Lightweight and privacy-respecting
Features
Read full description

SEO Inspector empowers developers, marketers, and SEO professionals to perform deep technical audits on any website, right from their iPhone. This app renders full webpages, including dynamic JavaScript content and Single Page Applications (SPAs), allowing you to inspect exactly what search engines and users see after the page fully loads. Unlike typical browser extensions that rely on pre-rendered HTML, SEO Inspector provides a distraction-free, mobile-native environment to analyze both raw and rendered output, helping you uncover hidden SEO issues that may go unnoticed in traditional tools. Features: β€’ View RAW HTML & Rendered DOM β€’ Extract and preview meta tags, Open Graph and canonical elements β€’ Verify robots.txt, sitemaps, and hreflang tags β€’ See complete heading structure (H1–H6) β€’ Detect redirects (301, 302, JavaScript-based) β€’ Analyze JSON-LD structured data (Schemas) β€’ Review FAQ markup and schema presence β€’ Lightweight and privacy-respecting β€’ Adapts automatically to your iPhone’s Light or Dark Mode for optimal readability. Whether you're debugging SEO implementations, auditing client websites, or validating how SPAs are rendered, SEO Inspector gives you everything you need in a clean and efficient interface. Developed by Nicholas Exarchakos.

Screenshots

CheckSite2 screens
SEO Inspector4 screens

Verdict

The call

The clearest difference is ads: CheckSite at none against SEO Inspector's shown. CheckSite also leads on iOS requirement (14.0 vs 18.2). SEO Inspector's advantage is update cadence (weekly vs every 13 months). On price, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CheckSite ships an update every 13 months, SEO Inspector weekly. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

Scorecard3 real differences Β· 5 level
CheckSite versus SEO Inspector: the parameters behind the verdict, then further details
ParameterCheckSiteSEO Inspector
PriceFreeFree
Positive reviewsβ€”100.0% of reviews
Update frequencyEvery 13 monthsWeekly β€” better
AdsNo β€” betterYes
In-app purchasesNoNo
Monetizationβ€”Free with in-app purchases
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS14.0 β€” better18.2
Further details β€” not scored
Size1 MB7 MB
Age rating17+4+
DeveloperColorizeNikolaos Exarchakos

In-app purchases

None

CheckSite

No in-app purchases

None

SEO Inspector

No in-app purchases

Questions

Is CheckSite free?
CheckSite is free to download, with no in-app purchases.
Is SEO Inspector free?
SEO Inspector is free to download, with no in-app purchases.
Do CheckSite or SEO Inspector have ads?
SEO Inspector shows ads; CheckSite does not.
Which is updated more often, CheckSite or SEO Inspector?
CheckSite ships an update every 13 months, and SEO Inspector weekly. Most recently, CheckSite was updated on October 7, 2026 and SEO Inspector on October 14, 2026.

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