Comparison

Subnet Mask Calc vs Skillmine Authenticator

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

Head to head
About

Subnet Mask Calc

This free utility app quickly calculates subnet masks and wildcard masks for IPv4 networks. It's designed for IT professionals and students to simplify complex networking tasks and aid in certification preparation, offering offline functionality.

Highlights
  • Lightning-fast subnet calculations
  • Offline network connectivity
  • Calculates IP and wildcard masks
  • User-friendly interface
  • Ideal for IT engineers
  • Learning aid for certifications
Features
Read full description

Transform your networking experience with our lightning-fast Subnet Mask Calculator! Unleash the power of seamless calculations even without network connectivity. Dive into a world of convenience, where precision meets simplicity – and it's absolutely free! Designed for IT engineers seeking swift solutions, this tool is your go-to for effortlessly unraveling network IPs and wildcard masks. It's the ultimate companion for professionals, making complex tasks a breeze. But that's not all – if you're a networking enthusiast or a student aiming for excellence in Network+ or CCNA certifications, our Subnet Mask Calculator is an invaluable learning aid. Verify your subnetting mastery on the go, ensuring accuracy and boosting your confidence in every step of your networking journey. Elevate your networking game with our user-friendly, free-to-use Subnet Mask Calculator. Download now and experience the efficiency that sets you apart!

About

Skillmine Authenticator

Features
Read full description

Protect your accounts effortlessly with Skillmine Authenticator. Leverage flexible multi-factor authentication using TOTP, HOTP, push notifications, and pattern-based security. Key Features: TOTP-Based Multi-Factor Authentication Easily configure & generate Time-based One-Time Passwords (TOTP) by scanning a QR code or manually entering a secret key. HOTP-Based Multi-Factor Authentication Configure and generate HMAC-based One-Time Passwords (HOTP) for authentication based on a counter, ensuring secure logins. Push Notification-Based Authentication Authenticate effortlessly by selecting the correct emoji received via push notification. Pattern-Based Multi-Factor Authentication A Unique pattern as an alternative authentication method for added flexibility. Secure Cloud Backup & Sync Keep your TOTP and HOTP codes securely backed up.

Screenshots

Subnet Mask Calc3 screens
Skillmine Authenticator3 screens

Verdict

The call

The clearest difference is ads: Skillmine Authenticator at none against Subnet Mask Calc's shown. Skillmine Authenticator also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Subnet Mask Calc ships an update every 5 months, Skillmine Authenticator every 7 months. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 8 level
Subnet Mask Calc versus Skillmine Authenticator: the parameters behind the verdict, then further details
ParameterSubnet Mask CalcSkillmine Authenticator
PriceFreeFree
Rating2.3 (22 ratings) — better—
Positive reviews38.9% of reviews—
Number of ratings22 — better—
Update frequencyEvery 5 months — betterEvery 7 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size3 MB69 MB
Age rating4+4+
DeveloperJohn RoudaSKILLMINE TECHNOLOGY CONSULTING PRIVATE LIMITED

In-app purchases

None

Subnet Mask Calc

No in-app purchases

None

Skillmine Authenticator

No in-app purchases

Questions

Is Subnet Mask Calc free?
Subnet Mask Calc is free to download, with no in-app purchases.
Is Skillmine Authenticator free?
Skillmine Authenticator is free to download, with no in-app purchases.
Do Subnet Mask Calc or Skillmine Authenticator have ads?
Subnet Mask Calc shows ads; Skillmine Authenticator does not.
Which is updated more often, Subnet Mask Calc or Skillmine Authenticator?
Subnet Mask Calc ships an update every 5 months, and Skillmine Authenticator every 7 months. Most recently, Subnet Mask Calc was updated on September 8, 2026 and Skillmine Authenticator on September 9, 2026.

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