Subnetting Calculator vs CIDR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Subnetting Calculator
This utility calculates IPv4 IP address ranges, host counts, broadcast addresses, and subnet masks. It supports both traditional classful and classless (CIDR) subnet mask calculations for network administrators.
- IPv4 IP address range calculation
- Host number calculation
- Broadcast address calculation
- Subnet mask calculation
- Classful subnetting (A, B, C)
- Classless Inter-Domain Routing (CIDR)
Read full descriptionHide full description
Calculate IPv4 IP address ranges, number of hosts, broadcast address, and subnets masks simply with the Subnetting Calculator. The Subnetting Calculator preforms both traditional classful (A, B, C) subnet mask and classless (CIDR) subnet mask calculations. - Classless Inter Domain Routing (CIDR) - Classful (A, B, C) - Designed for network administrators. - Easy to use IPv4 addressing calculator.
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
Read full descriptionHide full description
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 Subnetting Calculator's 3.8. CIDR also leads on update cadence (every 3 weeks vs every 26 months). Subnetting Calculator's advantage is in-app purchases (none vs 1) and ratings volume (4 vs 1). On price, ads, monetization model 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. CIDR sells 1 one-off in-app purchase. Subnetting Calculator asks for nothing beyond the download.
CIDR holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
Subnetting Calculator ships an update every 26 months, CIDR every 3 weeks. The most recent releases landed on June 7, 2026 and June 30, 2026 respectively.
| Parameter | Subnetting Calculator | CIDR |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (4 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 26 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 5 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Rooster Glue, Inc. | ao-system, Inc. |
Customer experience
Subnetting Calculator
CIDR
In-app purchases
Subnetting Calculator
No in-app purchases
CIDR
- Remove Ads$1.99
Questions
Is Subnetting Calculator free?
Is CIDR free?
Which has better reviews, Subnetting Calculator or CIDR?
Do Subnetting Calculator or CIDR have ads?
Which is updated more often, Subnetting Calculator or CIDR?
Other comparisons
