1. Agreement and publisher
These Terms & Conditions apply to Subnet & VLSM Calculator for Android, version 1.0.0, package com.subnet.vlsmcalc, provided by SodCode. By installing or using the app, you agree to these terms. If you do not agree, discontinue use. The Privacy Policy explains information handling. Questions: sodcode.app@gmail.com.
2. Permission and acceptable use
Subject to these terms, you may install and use the app for lawful personal, educational or business purposes on compatible devices you control. SodCode and its licensors retain rights in the app, branding, code and supplied materials. Third-party software and bundled fonts retain their respective licenses. You retain your rights in the addresses, labels and plans you enter; using the app does not transfer ownership of them to SodCode.
Use only information and networks you are authorized to work with. Do not use the app to facilitate unauthorized access, fraud, unlawful disclosure, interference with services or fraudulent advertising activity. Nothing here limits rights granted by applicable law or an applicable open-source license.
3. Calculation scope and limits
The app provides IPv4/IPv6 prefix calculations, an IPv4 VLSM designer, equal subnet splitting, IPv4 membership checks, a CIDR reference table, host sizing, mask conversion, overlap checks, range-to-CIDR conversion and subnet merging. These are planning and reference tools. The app does not test reachability, scan devices, validate a provider's allocation or apply configuration to a live network.
IPv4 /31 calculations use two-address point-to-point semantics and /32 represents one host. The VLSM designer uses conventional LAN sizing with network/broadcast reservations. Equal splits round a requested count up to a power of two. Membership includes addresses anywhere within a block, including network/broadcast endpoints; it is not a guarantee that an address is assignable to a host. Class and scope labels are simplified informational descriptions, not a complete special-purpose-address registry or security assessment.
Large lists can be capped for display. The splitter materializes at most 1,024 subnets, and its shared list is also limited to those generated rows with a truncation note. Other CIDR result cards display the first 256 blocks while their copy/share actions include all calculated blocks. Features and limits may change with updates.
4. Review before operational use
Check inputs, prefixes, host requirements, allocation warnings and exports before applying a plan. A requirement marked as not fitting has no allocated subnet. A result can remain visible alongside an invalid-input error while you edit; use a valid current calculation before sharing or relying on it.
Results do not account for every routing policy, reserved address, provider restriction, VLAN design, security rule, device behavior or operational requirement. Independently verify important plans using your network documentation and appropriate tools. Keep backups and use suitable review and change-control procedures for production networks. The app does not guarantee that a mathematical subnet plan is appropriate for every deployment.
5. Saved plans and exports
Saved plans are stored on your device and can be loaded, edited or deleted. Saving an open plan updates that plan; changing its name does not create an independent backup. Unsaved work may be lost when the process ends. Clearing app data, uninstalling, device loss or storage failure can remove local plans. SodCode does not operate a remote recovery service for them.
Review CSV/PDF contents before saving or sharing. Exports are ordinary unencrypted files and may reveal network details. You select destinations and recipients, which can store, upload or retain copies under their own terms. The app cannot recall shared copies or delete files held by another provider. You are responsible for keeping independent copies of important plans and exports.
6. Free access, advertisements and rewards
All supported calculator features, saved plans and exports are free. This version has no subscription, in-app purchase or paid unlock. Google advertising may include banner, native, interstitial, rewarded, rewarded-interstitial and app-open formats. Availability depends on connectivity, consent, inventory and publisher settings.
Rewarded offers are optional and describe an ad-free current process session. The reward is granted only when the SDK reports completion and ends when that app session ends. Skipping, dismissing, declining or being unable to load or complete an ad does not restrict core features. Advertisements and their destinations are supplied by third parties and do not constitute a SodCode endorsement. Transactions with an advertiser are between you and that provider, subject to applicable consumer protections.
7. Availability, third parties and updates
Calculations, local saved-plan access and export generation work offline. Advertising, remote configuration, hosted legal pages and some sharing destinations require network access. Compatibility depends on your device, Android version, browser, available storage and receiving applications. External providers have their own terms and policies.
We may provide fixes, change features or update or discontinue services. We may revise these terms and communicate material changes where required. The last updated date identifies the current version. You may stop using the app if you do not accept revised terms.
8. Warranties, liability and ending use
To the extent permitted by applicable law, the app is supplied as available without additional promises that it will be uninterrupted, error-free or suitable for every network or device. You remain responsible for reviewing results, keeping backups and deciding whether to apply or share a plan.
To the extent permitted by law, SodCode is not responsible for indirect or consequential losses from unverified network changes, incorrect inputs, lost local plans or third-party behavior. Nothing here excludes or limits liability, warranties, remedies or consumer rights that cannot lawfully be excluded or limited.
You may stop using and uninstall the app at any time. Manage exported and shared copies separately. Permission to use the app is subject to compliance with these terms and applicable law. Publisher: SodCode. Support: sodcode.app@gmail.com. Read the related Privacy Policy.