Comparison

IPv6 Subneting vs CIDR

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

Head to head

CIDR Subnet calculator

Free

🔧 Utilities

★ 5.01 ratingsView app →

About

IPv6 Subneting

Features

Read full description

IPv6 network calculator, subneting, and address type information

About

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.

Highlights

IP address range calculation
Subnet mask to CIDR conversion
IPv4 prefix display
Number of address ranges
Bit notation display
Quick reference table

Features

Read 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

IPv6 Subneting4 screens

CIDR4 screens

Verdict

The call

The clearest difference is in-app purchases: IPv6 Subneting at none against CIDR's 1. IPv6 Subneting also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (10.0 vs 15.6). On price, ads 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. CIDR sells 1 one-off in-app purchase. IPv6 Subneting asks for nothing beyond the download.

UpkeepUpdate frequency

IPv6 Subneting ships an update weekly, CIDR every 3 weeks. The most recent releases landed on January 8, 2026 and June 30, 2026 respectively.

Scorecard3 real differences · 6 level

IPv6 Subneting versus CIDR: the parameters behind the verdict, then further details
Parameter	IPv6 Subneting	CIDR
Price	Free	Free
Rating	—	5.0 (1 ratings) — better
Number of ratings	—	1 — better
Update frequency	Weekly — better	Every 3 weeks
Ads	No	No
In-app purchases	No — better	Yes
Monetization	—	Free
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	10.0 — better	15.6
Further details — not scored
Size	12 MB	23 MB
Age rating	4+	4+
Developer	Chuk Fong Ng	ao-system, Inc.

In-app purchases

None

IPv6 Subneting

No in-app purchases

1 purchases

CIDR

One-time1

Remove Ads$1.99

Questions

Is IPv6 Subneting free?

IPv6 Subneting is free to download, with no in-app purchases.

Is CIDR free?

CIDR is free to download, with in-app purchases available.

Do IPv6 Subneting or CIDR have ads?

Neither IPv6 Subneting nor CIDR shows ads.

Which is updated more often, IPv6 Subneting or CIDR?

IPv6 Subneting ships an update weekly, and CIDR every 3 weeks. Most recently, IPv6 Subneting was updated on January 8, 2026 and CIDR on June 30, 2026.