Recent Contacts vs IP Workbench
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Recent Contacts
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LinkUp - Recent Contacts: See your most recently added contacts. And more! LinkUp makes it easy to keep track of your latest connections. Whether for business, personal use, or staying organized, LinkUp helps you manage your most recent contacts effortlessly. View Recent Contacts: Instantly access and organize contacts by the date they were added or modified. Quick Actions: Connect with new contacts directly from the app with just a tap. Privacy First: Your contacts remain completely secure. No internet is required and nothing leaves your device. Perfect for anyone who needs to stay organized and on top of their most recent connections—whether it’s a new business lead, a potential love interest, or simply a new friend.
IP Workbench
This app provides comprehensive IPv4 and IPv6 subnet calculations, including network and broadcast addresses, host ranges, and CIDR notation. It features one-tap common prefixes, binary representation, and QR code generation for easy sharing. Users can also import IPv6 addresses via camera and access educational guides.
- IPv4 & IPv6 subnet calculations
- Import IPv6 via camera
- One-tap common prefixes
- Binary representation
- QR code generation
- Device IP detection
- Bandwidth calculator
- Access list builder
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IP Workbench: Professional Subnet Calculator A Powerful IP Subnet Calculator for Network Professionals IP Workbench was built based on my use of various subnet calculators over the last decade. I don't like having to type in subnet masks over and over so in my app you can pick any class mask and apply it with a single click. I also don't like typing in IPv6 addresses so I included a feature to import addresses via the camera and OCR. This an essential tool for network engineers, IT professionals, and students who need quick, accurate subnet calculations on the go. Whether you're configuring networks, studying for certifications, or troubleshooting connectivity issues, IP Workbench delivers precise results with a clean, intuitive interface. Key Features: * **Complete IPv4 & IPv6 Support** - Handle both traditional and next-generation IP addressing with ease * **Comprehensive Subnet Calculations** - Network address, broadcast address, usable host range, CIDR notation, and more * **Educational Resources** - Built-in guides explain IPv4 and IPv6 addressing concepts * **Binary Representation** - View the binary format of addresses and subnet masks * **QR Code Generation** - Create scannable QR codes for quick network configuration sharing * **IPv6 Camera Scanning** - Use your camera to scan and input complex IPv6 addresses * **Device IP Detection** - Automatically use your current device IP for calculations * **One-Tap Common Prefixes** - Quick access to Class A, B, C masks and common IPv6 prefixes * **Intuitive bandwidth calculator** - quickly estimate how long it would take to transfer files at various rates, and add overhead for a more realistic estimate * **Access List Builder** - easily build access lists by just filling in the information you can even just type in names of common protocols Designed with both clarity and technical precision in mind, IP Workbench helps you navigate the complexities of IP addressing without unnecessary clutter or confusing interfaces. Perfect for network configuration, studying networking concepts, IP address planning, and on-site troubleshooting. Download IP Workbench today and put professional subnet calculation power in your pocket.
Screenshots
Verdict
The clearest difference is price: IP Workbench at Free against Recent Contacts's $1.99. On ads, in-app purchases, device support and iOS requirement 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
IP Workbench is free to download; Recent Contacts costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Recent Contacts | IP Workbench |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 5 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | 磊 汪 | Jaime McGauley |
In-app purchases
Recent Contacts
No in-app purchases
IP Workbench
No in-app purchases









