Comparison

About Subnet Mask vs Warantly

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

Head to head
About

About Subnet Mask

This utility tool calculates subnet masks based on IP and subnet inputs. It supports both IP and CIDR formats, determines class-based network numbers, and saves previous calculations for easy access. Users can also check the class of any IP address.

Highlights
  • Subnet mask calculation
  • IP and CIDR format support
  • Class-based network number calculation
  • IP class checking
  • Search history
Features
Read full description

I believe. My App makes your life more valuable. You will be the greatest better than ever and shine with me. This is a Subnet Calculator. Enter your IP and Subnet. That is all! Subnet mask could write IP format or CIDR format. It also calculates the class-based network number. The search was saved at history and click to lead result. You can check the class of IP. Thank you. :) If there are any incorrect translations, please contact us by email at starlightlab14@gmail.com

About

Warantly

Features
Read full description

Stop losing warranties. Start tracking them. Ever bought an expensive product, only to realize months later that the warranty expired last week? Warantly solves this by putting all your warranty information in one place — with automatic reminders before they expire. NEVER MISS AN EXPIRING WARRANTY Set smart reminders at 1 month, 2 weeks, or 1 week before expiration. Get notified via push notifications and email so you always have time to act. TRACK ALL YOUR WARRANTIES Log every purchase with its warranty period, price, and store details. See your total coverage value and status breakdown on a visual dashboard with charts. STORE RECEIPTS & DOCUMENTS Attach photos of receipts, invoices, and product documents directly to each warranty. No more digging through drawers or email inboxes. SCAN RECEIPTS INSTANTLY Use the built-in QR scanner to capture receipt data automatically. Select items from a scanned receipt and create warranties in seconds. ORGANIZE BY CATEGORY Create custom categories and sub-categories to keep your warranties organized — electronics, appliances, furniture, clothing, and more. SHARE & EXPORT Generate and share warranty details as PDF documents. Perfect for insurance claims or resale. YOUR DASHBOARD AT A GLANCE See active, expiring, and expired warranties in one view. Track total value across currencies, view category breakdowns, and monitor expiration timelines. PRODUCT RECALL ALERTS (PRO) Get automatically notified when government recall alerts match your registered products. See hazard details, remedies, and match confidence scores — so you can act fast when safety matters. MAINTENANCE SCHEDULING (PRO) Schedule recurring maintenance tasks for your products — filter changes, cleaning, inspections, and more. Get reminders when maintenance is due so your products stay in top shape. KEY FEATURES: • Automatic expiration reminders (push + email) • Receipt photo & document attachments • QR receipt scanner • Visual dashboard with charts • Custom categories & sub-categories • Warranty search & filtering • PDF export & sharing • Secure account with Apple & Google sign-in • Multi-language support (English, Spanish, German, Serbian) • Dark mode support Download Warantly today and never let a warranty expire unnoticed again. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://warantly.app/privacy-policy

Screenshots

About Subnet Mask4 screens
Warantly4 screens

Verdict

The call

The clearest difference is in-app purchases: About Subnet Mask at none against Warantly's 2. Warantly's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Warantly sells 2 in-app purchases, starting at $2.99 per month. About Subnet Mask asks for nothing beyond the download.

UpkeepUpdate frequency

About Subnet Mask ships an update every 9 days, Warantly every 5 days. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 7 level
About Subnet Mask versus Warantly: the parameters behind the verdict, then further details
ParameterAbout Subnet MaskWarantly
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 9 daysEvery 5 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size9 MB82 MB
Age rating4+4+
DeveloperJaehwa NohAleksa Nikolic

In-app purchases

None

About Subnet Mask

No in-app purchases

2 purchases

Warantly

Subscriptions2
  • Warantly Pro7 Days trial$2.991 Month
  • Warantly Pro7 Days trial$17.991 Year

Questions

Is About Subnet Mask free?
About Subnet Mask is free to download, with no in-app purchases.
Is Warantly free?
Warantly is free to download, with in-app purchases available.
Do About Subnet Mask or Warantly have ads?
About Subnet Mask shows ads; Warantly does not.
Which is updated more often, About Subnet Mask or Warantly?
About Subnet Mask ships an update every 9 days, and Warantly every 5 days. Most recently, About Subnet Mask was updated on September 10, 2026 and Warantly on September 9, 2026.

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