Linu vs SubnetBuddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Linu
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Linu is an interactive messaging hub designed for developers, solving the pain points of "read-only" notifications and privacy risks. It's not just a notification tool; it's your mobile command center. 【Key Highlights】 Two-Way Interaction: Trigger Webhooks directly from notification buttons (e.g., "Restart", "Approve"). End-to-End Encryption: AES-256-GCM encryption ensures only your device can decrypt messages. The server sees nothing. Smart Aggregation: Automatically groups fragmented notifications into conversational timelines based on Group ID. Reliability: Customized sounds, continuous ringing ensure you never miss emergencies. Rich Media: Supports Markdown, images, and videos. Download Linu now and experience the next generation of interactive messaging! Privacy Policy: https://linu.aprilzz.com/privacy User Service Agreement: https://linu.aprilzz.com/agreement
SubnetBuddy
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SubnetBuddy is a fast, offline subnet calculator and network planning tool built for IT professionals, network engineers, students, and anyone studying for their CCNA, CompTIA Network+, or just needs to crunch CIDR notation on the fly. No internet required. No ads. No account needed. Just open the app and start calculating. SUBNET CALCULATOR • Enter any IP address and CIDR prefix (e.g. 192.168.1.0/24) • Instantly see network address, broadcast address, first and last usable host • View total hosts, usable hosts, and wildcard mask • Get the next sequential subnet with one tap • Supports all prefix lengths from /0 to /32 MASK CONVERTER • Convert between CIDR notation, dotted decimal, and binary • Enter a prefix length and see all three formats instantly • Quick-reference for common subnet masks • Perfect for exam prep and on-the-job lookups VLAN PLANNER • Plan multiple VLANs with custom names and sizes • Set a base network and SubnetBuddy calculates non-overlapping subnets for each VLAN • See network range, gateway, CIDR, and host count per VLAN • Great for designing office networks, lab environments, and homework assignments IP VISUALIZER • Enter a CIDR block and see a visual map of the IP address space • Color-coded grid shows used vs. available addresses • Instantly understand how big (or small) your subnet really is • Tap any cell to see the full IP address TERMINAL-STYLE DESIGN • Dark theme with VibeCMD's signature hacker-green aesthetic • Monospace fonts and command-line inspired interface • Clean, distraction-free layout built for speed • Easy on the eyes during late-night study sessions WORKS COMPLETELY OFFLINE • Zero network calls — all calculations happen on-device • No account required — open and use immediately • No data collection — your network plans stay on your phone • Lightning fast — results appear as you type BUILT FOR REAL PEOPLE • IT professionals doing quick subnet math on-site • Students studying for CCNA, Network+, or any networking exam • Homelab enthusiasts planning their network segments • DevOps engineers carving up VPC address spaces • Anyone who's tired of Googling "what is /22 in dotted decimal" SubnetBuddy is a utility tool for network address calculations. It does not connect to or scan any networks.
Screenshots
Verdict
Linu and SubnetBuddy are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | Linu | SubnetBuddy |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15 — better | 15.1 |
| Further details — not scored | ||
| Size | 34 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | 洁 许 | VibeCMD |
In-app purchases
Linu
No in-app purchases
SubnetBuddy
No in-app purchases









