Simple Subnet Calc vs Watch R6
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- IPv4 subnetting
- IPv6 subnetting
- Clean interface
- Ad-free experience
- Designed for professionals
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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.
Watch R6
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Simple Subnet Calc | Watch R6 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 60.9% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 months — better | Every 32 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Diogo Andre Assumpcao | SKG Health Technologies Co., Ltd. |
In-app purchases
Simple Subnet Calc
No in-app purchases
Watch R6
No in-app purchases
Questions
Is Simple Subnet Calc free?
Is Watch R6 free?
Do Simple Subnet Calc or Watch R6 have ads?
Which is updated more often, Simple Subnet Calc or Watch R6?
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