Subnet Mask Calc vs CIDR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Lightning-fast subnet calculations
- Offline network connectivity
- Calculates IP and wildcard masks
- User-friendly interface
- Ideal for IT engineers
- Learning aid for certifications
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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!
CIDR
This utility calculates IP address ranges from an IP address and subnet mask. It supports IPv4 calculations, including prefix display, address range counts, and bit notation. Useful for quick CIDR notation checks and subnet mask conversions.
- IP address range calculation
- Subnet mask to CIDR conversion
- IPv4 prefix display
- Number of address ranges
- Bit notation display
- Quick reference table
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Calculate the IP address range from the IP address and subnet mask. It can be used to calculate IPv4 addresses, including prefix display, number of address ranges, and bit notation. CIDR calculation, when you want to check CIDR notation quickly. To convert subnet mask to CIDR notation. It can also be used as a quick reference table for subnet masks. Bit notation is also available, so it is suitable for learning IPv4.
Screenshots
Verdict
The clearest difference is rating: CIDR at 5.0 against Subnet Mask Calc's 2.3. CIDR also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 5 months). Subnet Mask Calc's advantage is in-app purchases (none vs 1) and ratings volume (22 vs 1). On price, 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
Both are free to download. CIDR sells 1 one-off in-app purchase. Subnet Mask Calc asks for nothing beyond the download.
CIDR holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: Subnet Mask Calc has 22 ratings behind it against 1, so its average is the more settled of the two.
Subnet Mask Calc ships an update every 5 months, CIDR every 3 weeks. The most recent releases landed on September 8, 2026 and June 30, 2026 respectively.
| Parameter | Subnet Mask Calc | CIDR |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (22 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 38.9% of reviews | — |
| Number of ratings | 22 — better | 1 |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 3 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | John Rouda | ao-system, Inc. |
Customer experience
Subnet Mask Calc
CIDR
In-app purchases
Subnet Mask Calc
No in-app purchases
CIDR
- Remove Ads$1.99
Questions
Is Subnet Mask Calc free?
Is CIDR free?
Which has better reviews, Subnet Mask Calc or CIDR?
Do Subnet Mask Calc or CIDR have ads?
Which is updated more often, Subnet Mask Calc or CIDR?
Other comparisons
