About Subnet Mask vs NetBits
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
About Subnet Mask
This utility tool calculates subnet masks based on IP and subnet inputs. It supports both IP and CIDR formats, determines class-based network numbers, and saves previous calculations for easy access. Users can also check the class of any IP address.
- Subnet mask calculation
- IP and CIDR format support
- Class-based network number calculation
- IP class checking
- Search history
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I believe. My App makes your life more valuable. You will be the greatest better than ever and shine with me. This is a Subnet Calculator. Enter your IP and Subnet. That is all! Subnet mask could write IP format or CIDR format. It also calculates the class-based network number. The search was saved at history and click to lead result. You can check the class of IP. Thank you. :) If there are any incorrect translations, please contact us by email at starlightlab14@gmail.com
NetBits
This utility app quickly calculates IP subnet information. It provides network and broadcast addresses, usable host ranges, and binary representations for IPv4 addresses and subnet masks. Designed for network professionals and students, it offers a clean, ad-free experience.
- CIDR notation input
- Network and broadcast address calculation
- Usable host range display
- Binary address and mask view
- Offline functionality
- Ad-free experience
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NetBits is a fast, no-nonsense IP subnet calculator. Enter an IPv4 address and subnet mask — or just type CIDR notation like 192.168.1.10/24 — and instantly get: • Network and broadcast address • Wildcard mask • Usable host range (min / max) • Number of usable hosts • Binary representation of the address and mask Built for network engineers, sysadmins, students, and anyone who needs quick, accurate subnet math without ads or clutter. FEATURES — CIDR notation input — Binary address/mask view — Copy any value with a long press — Light and Dark mode — English and Russian PRIVACY NetBits works fully offline. No accounts, no analytics, no data collection — ever.
Screenshots
Verdict
The clearest difference is ads: NetBits at none against About Subnet Mask's shown. NetBits also leads on monetization model (free vs ad-supported). About Subnet Mask's advantage is update cadence (every 9 days vs monthly). On price, rating, ratings volume and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for About Subnet Mask against 5.0 for NetBits. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
About Subnet Mask ships an update every 9 days, NetBits monthly. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.
| Parameter | About Subnet Mask | NetBits |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 9 days — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 9 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Jaehwa Noh | Vitaly Churkin |
Customer experience
About Subnet Mask
NetBits
In-app purchases
About Subnet Mask
No in-app purchases
NetBits
No in-app purchases
Questions
Is About Subnet Mask free?
Is NetBits free?
Which has better reviews, About Subnet Mask or NetBits?
Do About Subnet Mask or NetBits have ads?
Which is updated more often, About Subnet Mask or NetBits?
Other comparisons
