About Subnet Mask vs 网工快查
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
网工快查
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网工快查是一款面向弱电师傅、家庭网络维护、小型办公室和门店网络维护人员的 iOS 网络诊断工具。 它不是大型企业网管工具。App 聚焦日常排障：打开后即可一键检测当前 Wi-Fi、局域网和外网状态，并生成可分享的维护报告。 主要功能： - 一键诊断当前网络、本机 IP、子网、网关、DNS、外网连接和公网 IP - 自动生成专业分析：子网容量、DNS 一致性、设备变化、敏感服务暴露、关键设备离线和现场行动清单 - 发现当前局域网设备，标记本机、网关、疑似路由器、打印机、NAS、摄像头等常见角色 - 收藏关键设备、记录维护备注，并在后续诊断中对比新增设备和关键设备离线情况 - 检测单个 IP 或域名的常用服务可达性，并显示耗时和错误原因 - 根据开放端口给出 Telnet、远程桌面、SMB、RTSP、打印、NAS 管理等服务风险解读 - 支持 A、AAAA、CNAME、MX、NS、TXT DNS 查询，以及多个 DNS 结果对比 - 内置子网计算器、现场排障剧本和交付检查清单 - 检测公网 IPv4/IPv6 和运营商/归属地信息，并保留本地历史 - 一键生成文本报告，支持导出 PDF 或图片，报告包含专业分析和行动清单 - 支持填写客户名称、项目名称和维护人员名称 所有报告、设备备注、收藏和历史记录默认保存在本机，不上传到自有服务器。由于 iOS 系统限制，普通 App 无法读取局域网设备 MAC 地址和 ARP 表，也无法发送原始 ICMP ping；网工快查会在系统允许范围内通过网络接口信息、DNS 查询、HTTPS 外网检测和常用服务可达性完成诊断。
Screenshots
Verdict
The clearest difference is ads: 网工快查 at none against About Subnet Mask's shown. 网工快查 also leads on update cadence (every 4 days vs every 9 days). About Subnet Mask's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
About Subnet Mask ships an update every 9 days, 网工快查 every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | About Subnet Mask | 网工快查 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 days | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 9 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Jaehwa Noh | 容升 柴 |
In-app purchases
About Subnet Mask
No in-app purchases
网工快查
No in-app purchases
Questions
Is About Subnet Mask free?
Is 网工快查 free?
Do About Subnet Mask or 网工快查 have ads?
Which is updated more often, About Subnet Mask or 网工快查?
Other comparisons
