Comparison

Plotenra vs Subnet CIDR Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Plotenra

Features
Read full description

Plotenra is a writing inspiration and story development tool designed for authors, storytellers, roleplayers, and creative thinkers. Create custom story concept prompts, explore curated writing prompts, and discover new ideas for novels, short stories, campaigns, and creative projects. Features: • Story Concept Generator • Customizable story concept prompts • Writing prompt library • Genre and subgenre selection • Character and relationship inspiration • Themes, tones, and story elements • Offline functionality • Fast and easy navigation Use Plotenra to: • Brainstorm novel ideas • Generate multiple story concepts • Overcome writer's block • Develop characters and relationships • Build fictional worlds • Create RPG campaign ideas • Explore new genres and themes • Support creative writing exercises The Story Concept Generator allows you to combine genres, themes, tones, settings, character dynamics, and obstacles into reusable prompts that can be used with your preferred AI chatbot or writing workflow. Leaving fields blank can produce a wider variety of results and unexpected creative combinations. Whether you're planning a novel, outlining a short story, preparing a tabletop campaign, or searching for fresh inspiration, Plotenra provides practical tools to help turn ideas into stories.

About

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.

Highlights
  • Instant IPv4 & CIDR calculation
  • Visual VLSM subnet planner
  • Complete CIDR & mask reference
  • Offline operation
  • No ads or tracking
  • One-tap copying
Features
Read full description

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

Plotenra4 screens
Subnet CIDR Pro4 screens

Verdict

The call

The clearest difference is ads: Subnet CIDR Pro at none against Plotenra's shown. On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 8 level
Plotenra versus Subnet CIDR Pro: the parameters behind the verdict, then further details
ParameterPlotenraSubnet CIDR Pro
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequency—Fortnightly
AdsYesNo — better
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size214 MB2 MB
Age rating12+4+
DeveloperLucid Atomics Corporation超 张

In-app purchases

None

Plotenra

No in-app purchases

None

Subnet CIDR Pro

No in-app purchases

Questions

Is Plotenra free?
Plotenra is free to download, with no in-app purchases.
Is Subnet CIDR Pro free?
Subnet CIDR Pro is free to download, with no in-app purchases.
Do Plotenra or Subnet CIDR Pro have ads?
Plotenra shows ads; Subnet CIDR Pro does not.

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