Comparison

Simple Subnet Calc vs Watch R6

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

Head to head
About

Simple Subnet Calc

This utility quickly calculates IPv4 and IPv6 subnets with a clean interface. It's designed for network professionals and students needing fast, accurate subnetting tools on their iPhone.

Highlights
  • IPv4 subnetting
  • IPv6 subnetting
  • Clean interface
  • Ad-free experience
  • Designed for professionals
Features
Read full description

Simple Subnet Calculator — Fast, Clean, and Built for Pros Simple Subnet Calculator is your go-to tool for quick and accurate subnetting on iPhone. Whether you’re working with IPv4 or IPv6, this app gives you the essentials in a clean and intuitive interface—no ads, no clutter, no distractions. Designed with network engineers, sysadmins, IT professionals, and students in mind, it delivers what you need, when you need it—on the go, in the lab, or on the job.

About

Watch R6

Features
Read full description

24/7 smart blood pressure health companion The Watch R6 app connects to your blood pressure watch via Bluetooth to collect, analyze, and display your health data. Once the watch is paired with your phone, blood pressure readings are automatically synced to the Watch R6 app, where you can view your personal blood pressure trends and receive guidance on exercise, diet, stress management, and other healthy lifestyle habits.The app helps you better understand and manage your blood pressure as part of your daily health routine. Disclaimer: This app is not a substitute for professional medical advice. Please consult a doctor before making any medical decisions.

Screenshots

Simple Subnet Calc4 screens
Watch R63 screens

Verdict

The call

The clearest difference is update cadence: Simple Subnet Calc at every 6 months against Watch R6's every 32 months. Watch R6's advantage is iOS requirement (10.0 vs 18.0). On price, ads, 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

Simple Subnet Calc ships an update every 6 months, Watch R6 every 32 months. The most recent releases landed on June 1, 2026 and September 12, 2026 respectively.

Scorecard2 real differences · 8 level
Simple Subnet Calc versus Watch R6: the parameters behind the verdict, then further details
ParameterSimple Subnet CalcWatch R6
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews60.9% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 months — betterEvery 32 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPod — better
Requires iOS18.010.0 — better
Further details — not scored
Size1 MB11 MB
Age rating4+4+
DeveloperDiogo Andre AssumpcaoSKG Health Technologies Co., Ltd.

In-app purchases

None

Simple Subnet Calc

No in-app purchases

None

Watch R6

No in-app purchases

Questions

Is Simple Subnet Calc free?
Simple Subnet Calc is free to download, with no in-app purchases.
Is Watch R6 free?
Watch R6 is free to download, with no in-app purchases.
Do Simple Subnet Calc or Watch R6 have ads?
Neither Simple Subnet Calc nor Watch R6 shows ads.
Which is updated more often, Simple Subnet Calc or Watch R6?
Simple Subnet Calc ships an update every 6 months, and Watch R6 every 32 months. Most recently, Simple Subnet Calc was updated on June 1, 2026 and Watch R6 on September 12, 2026.

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