Comparison

Semaphor vs SiteScanner

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

Head to head
About

Semaphor

Features
Read full description

Semaphor answers simple question: Are my websites online and running? Stop finding out your site is down from a customer email. PERFECT FOR - Business owners wanting to know if their store is online - Agencies and freelancers watching client websites - Indie makers watching their own sites and landing pages - Developers watching endpoints and APIs FRESH WIDGETS Semaphor has beautiful widgets so you can see your status anywhere on your screen. Pick your refresh interval and turn on notifications so you never miss alert. THE APP IS YOUR DASHBOARD Add and organize your sites, see them all on one board, and tap any site for its response time, its recent checks and the latest HTTP result. Tap refresh to re-check every site at once. TELLS YOU WHEN IT BREAKS Turn on down alerts and Semaphor notifies you when a site goes red. Quiet hours hold alerts back overnight, and you can mute one site while you are busy fixing it. SSL CERTIFICATES BEFORE THEY EXPIRE See how many days are left on a site's SSL certificate and who issued it, and get a warning 14 days and 3 days before it expires. UPTIME HISTORY Uptime over 7 and 30 days, total downtime, the longest outage and the average response time, per site and across all of them. PRIVATE BY DESIGN No account, no sign-up. Semaphor contacts the websites you add and nothing else, and it stores your list and results on your device. No analytics, no tracking, no data collected about you. Ever. UPGRADE IF YOU NEED MORE Full version contains: Unlimited sites, down alerts, quiet hours, every check interval, website history, every widget size including Lock Screen. REQUIREMENTS - iPhone and iPad - iOS 17 or later - Free to download, no account required

About

SiteScanner

Read full description

Our app helps you check websites for potential threats and vulnerabilities, assess their security level, and get detailed results for every scan. Enter a URL to start the check. The app runs a five-step scanning process and generates a clear security report with a score from 0 to 100, detected warnings, individual check results, and practical recommendations. WEBSITE SECURITY TOOLS Our app combines several tools for safer web use. You can scan websites by URL for potential threats and vulnerabilities, receive a security score from 0 to 100, and review detailed checks, warnings, and recommendations. Previous scan results are saved in your history, so you can return to them whenever needed. The app also includes a private browser with built-in ad and tracker blocking, along with password tools that let you generate strong passwords using customizable length and character options and check password strength. CLEAR SCANNING EXPERIENCE The radar-style interface, progress indicators, and animated scanning steps make it easy to follow the scanning process. Once the scan is complete, the most important findings are organized into a clear and easy-to-read report. FREE ACCESS The free plan includes: • 1 website scan per day • Security score • First 3 security checks • Access to the 3 most recent scans Private Browser and Password Generator are not available on the free plan. PREMIUM ACCESS Upgrade to Premium to unlock: • Unlimited website scans • Complete security reports • All checks and recommendations • Full scan history • Full access to Private Browser • Full access to Password Generator The Settings section also gives you access to subscription information, app version details, sharing and rating options, support, Privacy Policy, and Terms of Use. Our app is designed for users who want a convenient way to check website security, identify potential risks, and browse the web more safely. This application contains auto-renewable subscriptions and In-App Purchases. Weekly $4.99 // Monthly $12.99 // Yearly $39.99 // Lifetime $59.99 Privacy Policy: https://docs.google.com/document/d/1nfIkVsSTSfxijnmpDIbLdcN_ZgSksa1g4mt0jJGD9-w/edit Terms of Use Link: https://docs.google.com/document/d/1781k2CG25BxrAd1NEjxs9wa6HOLdX5Ejb-BcQ9LLfbY/edit

Screenshots

Semaphor4 screens
SiteScanner4 screens

Verdict

The call

The clearest difference is iOS requirement: SiteScanner at 13.0 against Semaphor's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

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

Both are free to download. Semaphor sells 1 one-off in-app purchase and SiteScanner sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Semaphor ships an update every 2 months, SiteScanner monthly. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Semaphor versus SiteScanner: the parameters behind the verdict, then further details
ParameterSemaphorSiteScanner
PriceFreeFree
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size10 MB102 MB
Age rating4+17+
DeveloperBEGRIPCOLOR 90 d.o.o.

In-app purchases

1 purchases

Semaphor

One-time1
  • Semaphor Lifetime$3.99
5 purchases

SiteScanner

Subscriptions4
  • Weekly-Trial3 Days trial$4.997 Days
  • Weekly$4.997 Days
  • Monthly$12.991 Month
Show 1 more
  • Yearly$39.991 Year
One-time1
  • Lifetime$59.99

Questions

Is Semaphor free?
Semaphor is free to download, with in-app purchases available.
Is SiteScanner free?
SiteScanner is free to download, with in-app purchases available.
Do Semaphor or SiteScanner have ads?
Neither Semaphor nor SiteScanner shows ads.
Which is updated more often, Semaphor or SiteScanner?
Semaphor ships an update every 2 months, and SiteScanner monthly. Most recently, Semaphor was updated on October 25, 2026 and SiteScanner on October 15, 2026.

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