End User License Agreement

Acceptance of terms

This End User License Agreement ("Agreement") is entered into between you ("you" or "Licensee") and Gadsden LLC, a Utah limited liability company ("Licensor", "we", "us"), governing your installation and use of the Gadsden Ballistic Calculator software application ("Software"). By downloading, installing, or using the Software, you accept the terms below. If you do not accept, do not install or use the Software.

License grant

Subject to your compliance with this Agreement, Licensor grants you a personal, non-exclusive, non-transferable, revocable license to install and use the Software on devices you own or control, solely for your lawful personal or professional use.

Restrictions

You agree that you will not:

• Reverse engineer, decompile, or disassemble the Software, except to the extent such activity is expressly permitted by applicable law;
• Modify, adapt, translate, or create derivative works based on the Software;
• Rent, lease, loan, sell, sublicense, distribute, or otherwise transfer rights to the Software;
• Remove, obscure, or alter any proprietary notices, labels, or marks on the Software;
• Use the Software in violation of any law, regulation, or export-control restriction.

Pro unlock & purchases

The Software is distributed as a free download with an optional one-time in-app purchase ("Pro") that unlocks additional features, including range card PDF export, handload recipe tracking, MV truing, and suppressor ballistic modeling. The Pro purchase is processed by the Apple App Store or Google Play Store under their respective terms. All refund requests must be directed to the applicable store.

The Software does not use subscriptions. Your Pro purchase is a single transaction.

Ownership

The Software is licensed, not sold. Licensor retains all right, title, and interest in and to the Software, including all copyrights, trademarks, trade secrets, and other intellectual property rights. No rights are granted to you except as expressly set forth in this Agreement.

Third-party data

The Software may incorporate reference data and catalog entries (calibers, factory loads, optics specifications) sourced from third-party manufacturers and public data sets. Such data is provided for reference and is not warranted to be error-free. Always verify critical values against manufacturer documentation before use.

Live weather integration, when enabled, uses the Open-Meteo public API. Your use of that service is additionally subject to Open-Meteo's terms.

Disclaimer of warranty

THE SOFTWARE IS PROVIDED "AS IS" AND "AS AVAILABLE," WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, OR NON-INFRINGEMENT. BALLISTIC CALCULATIONS PRODUCED BY THE SOFTWARE ARE ESTIMATES. REAL-WORLD RESULTS ARE AFFECTED BY NUMEROUS FACTORS INCLUDING BUT NOT LIMITED TO AMMUNITION LOT VARIATION, BARREL CONDITION, SHOOTER TECHNIQUE, AND ENVIRONMENTAL MEASUREMENT ACCURACY.

Limitation of liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT WILL LICENSOR BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS OR REVENUES, ARISING OUT OF OR RELATED TO YOUR USE OF THE SOFTWARE. LICENSOR'S TOTAL LIABILITY UNDER THIS AGREEMENT WILL NOT EXCEED THE AMOUNT YOU PAID FOR THE SOFTWARE.

Safety & lawful use

You are solely responsible for the safe and lawful handling of firearms, ammunition, and related equipment. The Software is a decision-support tool and does not replace proper training, range verification, or compliance with applicable laws and regulations. Always verify your solutions with live-fire data at the range before relying on them in the field or at a match.

Termination

This Agreement is effective until terminated. Your rights under it will terminate automatically without notice if you fail to comply with any of its terms. Upon termination, you must cease all use of the Software and delete all copies from your devices.

Governing law

This Agreement is governed by the laws of the State of Utah, United States of America, without regard to its conflict-of-laws principles. The exclusive venue for any dispute arising out of this Agreement will be the state or federal courts located in Salt Lake County, Utah.

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