Comparison

NanoPrompt 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

NanoPrompt

Features
Read full description

NanoPrompt is a premium AI prompt template manager designed exclusively for iOS. We've curated and structured high-quality prompts so you don't have to write them from scratch. Simply fill in the blanks to generate powerful and precise AI instructions. Key Features: - Structured Templates: Fill-in-the-blank format makes it easy to replace variables and control AI outputs accurately. - Curated Library: Access templates across various categories including writing, coding, and productivity. - Offline Management: Store your favorite prompts locally on your device for instant and secure access. - Model Compatibility: See which AI engine (e.g., Claude, ChatGPT) works best for each specific prompt. - Terminal Aesthetics: Enjoy a sleek, immersive command-line inspired design.

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

NanoPrompt4 screens
Subnet CIDR Pro4 screens

Verdict

The call

The clearest difference is price: NanoPrompt at Free against Subnet CIDR Pro's $0.99. Subnet CIDR Pro's advantage is in-app purchases (none vs 1) and update cadence (fortnightly vs monthly). On ads 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

CostPrice · In-app purchases · Ads · Monetization

NanoPrompt is free to download; Subnet CIDR Pro costs $0.99 up front. NanoPrompt sells 1 one-off in-app purchase. Subnet CIDR Pro asks for nothing beyond the download.

UpkeepUpdate frequency

NanoPrompt ships an update monthly, Subnet CIDR Pro fortnightly. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 5 level
NanoPrompt versus Subnet CIDR Pro: the parameters behind the verdict, then further details
ParameterNanoPromptSubnet CIDR Pro
PriceFree — better$0.99
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Paid
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS18.616.0 — better
Further details — not scored
Size10 MB2 MB
Age rating4+4+
Developer恒俭 董超 张

In-app purchases

1 purchases

NanoPrompt

One-time1
  • NanoPrompt Pro$2.99
None

Subnet CIDR Pro

No in-app purchases

Questions

Is NanoPrompt free?
NanoPrompt is free to download, with in-app purchases available.
Is Subnet CIDR Pro free?
Subnet CIDR Pro costs $0.99, with no in-app purchases.
Do NanoPrompt or Subnet CIDR Pro have ads?
Neither NanoPrompt nor Subnet CIDR Pro shows ads.
Which is updated more often, NanoPrompt or Subnet CIDR Pro?
NanoPrompt ships an update monthly, and Subnet CIDR Pro fortnightly. Most recently, NanoPrompt was updated on October 31, 2026 and Subnet CIDR Pro on November 6, 2026.

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