Welljot vs Subnet CIDR Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Welljot
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Tasks should be easy to capture and easy to finish. Welljot is a calm, minimalist task manager designed for Apple devices. Capture a task in one line, see your day at a glance, and get it done from your widget, Watch, or any Apple device. Made for focus: • Fast Inbox and Today lists • Projects and areas when you need structure • Recurring tasks, checklists, dates, and reminders • Home Screen, Lock Screen, and desktop widgets • Siri, Shortcuts, and Apple Watch • No ads and no clutter Jot it. See it. Get it done.
Subnet CIDR Pro
This app is a fast and accurate IPv4 subnet calculator and visual planner for network professionals and students. It offers instant calculations, VLSM planning, and a comprehensive CIDR reference, all while operating offline with no ads or tracking.
- Instant IPv4 & CIDR calculation
- Visual VLSM subnet planner
- Complete CIDR & mask reference
- Offline operation
- No ads or tracking
- One-tap copying
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Subnet CIDR Pro is a focused, offline-first network calculator and VLSM planner built for network engineers, sysadmins, homelab users, and IT students. From quick /30 interface checks to full multi-VLAN allocation plans, get accurate IPv4 subnetting and address tooling directly on your iPhone and iPad—with zero tracking, zero ads, and 100% local calculation. IPv4 & CIDR CALCULATOR • Full Range Support: Calculate any prefix from /0 to /32 • Essential Telemetry: Network, broadcast, subnet mask, wildcard mask, and usable host ranges • Host Capacity: Instant breakdown of total addresses vs. usable host capacity • Modern Link Handling: Full support for /31 point-to-point links (RFC 3021) and /32 host routes • Binary Inspection: Visualize network vs. host bits in clear binary layout • Mask Conversion: Seamless conversion between CIDR prefixes, subnet masks, and wildcard masks • One-Tap Copy: Copy individual values or complete formatted network summaries VLSM NETWORK PLANNING • Requirement-Driven Allocation: Subnet a parent IPv4 block based on exact host requirements • VLAN & Naming: Assign custom network labels and VLAN IDs per subnet • Growth Headroom: Configurable growth reserve percentage per allocation • Gateway Reservation: Optional automatic reservation for default gateway addresses • Space Optimization: View allocated CIDRs alongside remaining unallocated blocks • Overflow Warnings: Instant alerts when requirements exceed parent network capacity ADDRESS TOOLS & IP MATH • Subnet Compare: Test two subnets for containment, overlap, equality, or isolation • IP Membership: Verify instantly whether an IPv4 address belongs to a target network • Range to CIDR: Convert arbitrary start/end IP ranges into minimal exact CIDR blocks • Subnet Splitting: Break down any network into equal-sized child subnets • Supernetting: Summarize adjacent or overlapping subnets into clean aggregation blocks PROJECT WORKSPACE & EXPORT • Project History: Save named planning projects, reopen, rename, or duplicate anytime • Auto-Save: Automatically preserves your current planning draft • Data Export: Export complete subnet plans and available address blocks as CSV • Clipboard Sharing: One-tap copy for formatted plain-text documentation CIDR QUICK REFERENCE TABLE • Interactive reference matrix for all prefixes (/0 to /32) • Searchable by prefix, dotted-decimal mask, wildcard mask, or usable host count • Fast reference copying for switch and firewall configuration DESIGNED FOR iOS & iPadOS • High-contrast dark interface tailored for server rooms and night operations • Adaptive iPad workspace: side-by-side inputs, live results, and wide allocation tables • Localized in 13 languages: English, Simplified & Traditional Chinese, German, French, Japanese, Korean, Italian, Spanish, Brazilian Portuguese, Arabic, Dutch, and Turkish 100% OFFLINE & PRIVATE • Calculations run purely on your device • No account required, no telemetry SDKs, no ads, and no in-app purchases Terms of Use: https://subnet.opshome.run/terms/ Privacy Policy: https://subnet.opshome.run/privacy/ Support: https://subnet.opshome.run/support/
Screenshots
Verdict
The clearest difference is price: Subnet CIDR Pro at Free against Welljot's $0.99. Welljot's advantage is update cadence (every 3 days vs fortnightly) and device support (4 vs 2). On ads, in-app purchases 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
Subnet CIDR Pro is free to download; Welljot costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Welljot ships an update every 3 days, Subnet CIDR Pro fortnightly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.
| Parameter | Welljot | Subnet CIDR Pro |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 2 MB |
| Age rating | +4 | 4+ |
| Developer | 鑫 宋 | 超 张 |
In-app purchases
Welljot
No in-app purchases
Subnet CIDR Pro
No in-app purchases









