Comparison

MailCheck vs SSL Checker

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

Head to head
About

MailCheck

Diagnose SMTP connectivity issues and verify email server configurations. View real-time server logs, test SSL/TLS settings, and authenticate credentials instantly. Ideal for system administrators and developers troubleshooting email delivery problems.

Highlights
  • Real-time SMTP testing
  • View raw server logs
  • Smart port configuration
  • Verify SSL/TLS
  • Test authentication
Features
Read full description

MailCheck is the ultimate SMTP diagnostic tool designed for system administrators, developers, and IT professionals. Stop guessing why your emails aren't sending. MailCheck gives you a direct look into the server conversation, helping you debug connectivity issues, verify SSL/TLS configurations, and test authentication credentials in seconds. KEY FEATURES: • Real-time SMTP Testing: Connect to any SMTP server (Gmail, Outlook, Office365, or custom servers) and verify connectivity instantly. • Raw Server Logs: View the full verbose transcript of the client-server handshake. See exactly where the error occurs (e.g., 535 Authentication Failed, Timeout, or Certificate errors). • Smart Port Configuration: Automatically toggles between SSL/TLS (465), STARTTLS (587), and Plain Text (25) based on your port selection. • Security First: Verify if your server supports modern encryption standards. • Privacy Focused: Passwords are NOT stored. All credentials are held in volatile memory (RAM) only during the session and are wiped immediately upon app termination. PERFECT FOR: - Testing new mail server setups. - Debugging firewall or port blocking issues. - Verifying "App Passwords" for third-party services. - IT Admins troubleshooting client email configurations. MailCheck is ad-free, lightweight, and built for speed. [Note: This app is a diagnostic client and does not provide an email inbox service.]

About

SSL Checker

Features
Read full description

SSL Checker is a lightweight monitoring tool designed for system administrators, DevOps engineers, and hosting professionals. Track SSL certificate expiration dates across multiple domains in one place. Instantly see expiry status, certificate issuer, validity period, and receive scheduled alerts before certificates expire. Built for reliability and simplicity: • Monitor multiple domains • Detect expired and untrusted certificates • Schedule advance expiration alerts • Clean, focused interface — no unnecessary clutter Stay ahead of certificate expiration and prevent unexpected downtime.

Screenshots

MailCheck4 screens
SSL Checker3 screens

Verdict

The call

The clearest difference is price: SSL Checker at Free against MailCheck's $2.99. MailCheck's advantage is chart position (#53 vs unranked). On ads, in-app purchases, device support and iOS requirement 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

SSL Checker is free to download; MailCheck costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences Ā· 6 level
MailCheck versus SSL Checker: the parameters behind the verdict, then further details
ParameterMailCheckSSL Checker
Price$2.99Free — better
Positive reviews100.0% of reviews—
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#53 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.6 — better
Further details — not scored
Size6 MB1 MB
Age rating4+4+
Developer倩 ē½—Tue Nguyen Minh

In-app purchases

None

MailCheck

No in-app purchases

None

SSL Checker

No in-app purchases

Questions

Is MailCheck free?
MailCheck costs $2.99, with no in-app purchases.
Is SSL Checker free?
SSL Checker is free to download, with no in-app purchases.
Do MailCheck or SSL Checker have ads?
Neither MailCheck nor SSL Checker shows ads.

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