Simple Subnet Calc vs CIDR Calc
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.
CIDR Calc
Calculate subnet details, including IP addresses, masks, and reverse masks, using CIDR notation. Generate and share lists of subnets and hosts within the next higher octet. This tool simplifies network calculations for IT professionals and students.
- Subnet calculation
- IP address display
- Mask and reverse mask
- Shareable subnet lists
- Host calculation
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Displays subnet, IP addresses, mask, and reverse mask based on IP and CIDR notation. Generates shareable list of all subnets and hosts in next higher octet.
Screenshots
Verdict
The clearest difference is update cadence: Simple Subnet Calc at every 6 months against CIDR Calc's every 19 months. CIDR Calc's advantage is device support (3 vs 1) and iOS requirement (16.0 vs 18.0). On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for Simple Subnet Calc against 5.0 for CIDR Calc. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Simple Subnet Calc ships an update every 6 months, CIDR Calc every 19 months. The most recent releases landed on June 1, 2026 and September 8, 2026 respectively.
| Parameter | Simple Subnet Calc | CIDR Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 60.9% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 6 months — better | Every 19 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, Vision Pro — better |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Diogo Andre Assumpcao | Paul Smicker |
Customer experience
Simple Subnet Calc
CIDR Calc
In-app purchases
Simple Subnet Calc
No in-app purchases
CIDR Calc
No in-app purchases
Questions
Is Simple Subnet Calc free?
Is CIDR Calc free?
Which has better reviews, Simple Subnet Calc or CIDR Calc?
Do Simple Subnet Calc or CIDR Calc have ads?
Which is updated more often, Simple Subnet Calc or CIDR Calc?
Other comparisons
