Subnet Mask
Takahiro Furuya Productivity iPhoneiPadiPod touch
Subnet Mask is a free Productivity app for iPhone and iPad by Takahiro Furuya. Rated 4.6/5 from 31 ratings. Requires iOS 26.0. Updated April 25, 2026.
- Rating
- 4.6
- 31 ratings
- Price
- Free
- on the App Store
- Size
- 5 MB
- Age 4+
- Updated
- Apr 25
- 2026 · v2.1.3
Screenshots
About Subnet Mask
This is the keypad for subnet mask. It has keys of prefix (CIDR notation). The subnet mask and number of host addresses are shown by single tap. Keys are manipulated also by swipe. It behaves like a slider. This App can be mutated to the keypad for wildcard mask. It shows wild card mask and number of addresses.
Ratings & reviews
4.6
31 ratings
What’s new
Version 2.1.3 · Updated April 25, 2026
Minor improvements
App privacy
The developer, Takahiro Furuya, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Crash Data, Performance Data
Used for: Third-Party Advertising, Analytics
Alternatives to Subnet Mask
Looking for apps like Subnet Mask? Here are 6 similar apps on the App Store. The highest rated is IP Validator (5.0/5), and all 6 are free to download.
-
IP Validator
5.0
-
Cisco Product Verifier
3.7
-
Network Utilities & Analyzer
4.5
-
Network Toolbox Net security
4.6
-
PRTG - Monitoring
4.7
-
Ekahau Survey
2.7
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Subnet Mask | 4.6 / 5 (31 ratings) | Free | April 25, 2026 | |
| IP Validator | 5.0 / 5 (2) | Free | Aug 1, 2024 | Compare |
| Cisco Product Verifier | 3.7 / 5 (3) | Free | Oct 15, 2025 | Compare |
| Network Utilities & Analyzer | 4.5 / 5 (457) | Free | Apr 13, 2024 | Compare |
| Network Toolbox Net security | 4.6 / 5 (3,379) | Free | Dec 16, 2024 | Compare |
| PRTG - Monitoring | 4.7 / 5 (1,970) | Free | Apr 14, 2026 | Compare |
| Ekahau Survey | 2.7 / 5 (49) | Free | Oct 6, 2026 | Compare |
Compare Subnet Mask with the top alternatives: ratings, updates, ASO score and keyword gaps →