IP Keypad - Subnet Calculator

Name: IP Keypad - Subnet Calculator
Rating: 4.7 (142 reviews)
Author: Takahiro Furuya

Subnet Calculator

Only for iPhone

Free

142 Ratings
Age Rating

4+
Years
Category

Productivity
Developer

Takahiro Furuya
Language

EN
+ 1 More
Size

5.3
MB

iPhone

This app is a subnet calculator. -Dedicated keypad. -Pickers for subnet mask and prefix length. -Calculate addresses (network,host,directed broadcast). -Classfull and classless mode. === Please note === "Special-Purpose" in version 3.0.0 and later is shown based on the RFC 6890(April 2013). "special use" in version 2.3.2 and before is shown based on the RFC 5735 (January 2010).

Ratings & Reviews

4.7

out of 5

142 Ratings

Nice Real Nice
04/16/2024

Nice + n
Easy to use, fast, and this my first app that works smoothly.
Nice Real Nice
04/16/2024

Nice + n

Easy to use, fast, and this my first app that works smoothly.
Good App Needs Some Additional Features
01/28/2021

Mjurrens
Overall good but it should include a readout for number of subnets created. That’s important to know if you need to plan the number of network segments. Also a “would like to have” is to be able to switch the display to show the IP and subnet in binary so we can learn from it.

Developer Response
Thank you for your review. My other apps may be helpful for you. ‘Subnet gauge’ has ability to show number of subnets and ‘IP Keypad Pro - Subnet Calc’ has ability to show addresses in binary. I think it may be better if single app has both ability, so I intend to consider whether to be able to add the ability of ‘Subnet gauge’ to ‘IP Keypad Pro - Subnet Calc’.
Good App Needs Some Additional Features
01/28/2021

Mjurrens

Overall good but it should include a readout for number of subnets created. That’s important to know if you need to plan the number of network segments. Also a “would like to have” is to be able to switch the display to show the IP and subnet in binary so we can learn from it.
Developer Response 01/31/2021
Thank you for your review. My other apps may be helpful for you. ‘Subnet gauge’ has ability to show number of subnets and ‘IP Keypad Pro - Subnet Calc’ has ability to show addresses in binary. I think it may be better if single app has both ability, so I intend to consider whether to be able to add the ability of ‘Subnet gauge’ to ‘IP Keypad Pro - Subnet Calc’.
Wildcard Mask
05/11/2021

obinnan45
I just discovered this app today and I have to say it’s really handy. Suggestions: adding a wildcard mask to the list will make it a 5 star review for me. Great app

Developer Response
Thank you for your review. I am very happy that I got a good review from you.My the other app ‘Subnet Mask’ may be helpful if you would like to know a wildcard mask from a prefix length.As regards adding a wildcard mask to ‘IP Keypad - Subnet Calculator’, I think I have to consider carefully. A addresses represented by a wildcard mask may contain multiple subnetworks (or multiple networks). On the other hand, this app shows information assuming a single subnetwork (or a single network). For instance, this app shows Number of host addresses, but the value is incorrect if addresses represented by a address and a mask entered in this app contains multiple subnetworks (or multiple networks). This is because network addresses and directed broadcast addresses of each subnetwork (or each network) need to be excluded from number of host addresses.I am worried that it might cause confusion when this app shows a wildcard mask because this app only assume a single subnetwork (or a single network). I would like to work for this issue if l found good idea to solve this.
Wildcard Mask
05/11/2021

obinnan45

I just discovered this app today and I have to say it’s really handy. Suggestions: adding a wildcard mask to the list will make it a 5 star review for me. Great app
Developer Response 05/16/2021
Thank you for your review. I am very happy that I got a good review from you.My the other app ‘Subnet Mask’ may be helpful if you would like to know a wildcard mask from a prefix length.As regards adding a wildcard mask to ‘IP Keypad - Subnet Calculator’, I think I have to consider carefully. A addresses represented by a wildcard mask may contain multiple subnetworks (or multiple networks). On the other hand, this app shows information assuming a single subnetwork (or a single network). For instance, this app shows Number of host addresses, but the value is incorrect if addresses represented by a address and a mask entered in this app contains multiple subnetworks (or multiple networks). This is because network addresses and directed broadcast addresses of each subnetwork (or each network) need to be excluded from number of host addresses.I am worried that it might cause confusion when this app shows a wildcard mask because this app only assume a single subnetwork (or a single network). I would like to work for this issue if l found good idea to solve this.
Wonderful
11/16/2023

polarbear12R
Cool app
Wonderful
11/16/2023

polarbear12R

Cool app

Minor improvements

Version 3.1.3 Apr 11

Data Not Linked to You

The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
- Usage Data
- Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

Information

Seller: Takahiro Furuya
Size: 5.3 MB
Category: Productivity
Compatibility: Requires iOS 26.0 or later.

iPhone
Requires iOS 26.0 or later.
Languages: English and Japanese
Age Rating: 4+

4+

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