MAESTROM TERMS OF USE AND END USER LICENSE AGREEMENT (EULA)
Last Updated: October 29, 2026
Welcome to Maestrom (the "Application"), a real-time live performance and song management utility developed by Sistem Robotik Yazılım Hizmetleri Ltd. Şti. ("Company", "we", "us", or "our").
By downloading, installing, registering, or using the Application, you ("User", "you", or "your") agree to be bound by these Terms of Use and End User License Agreement ("Agreement"). If you do not agree to these terms, do not download, install, or use the Application.
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1. DEFINITIONS AND SCOPE OF SERVICE
1.1. Nature of the Application: Maestrom is a productivity and real-time synchronization utility tool designed for musicians and stage managers ("Maestro" or "Host") and band members ("Musicians" or "Clients"). The Application facilitates setlist organization, chord template rendering, metronome/tempo sync, and stage cue transmissions.
1.2. Operational Modes:
- Solo Mode: Offline-first personal repertoire player.
- Host (Maestro) Mode: Operates a live session, broadcasting song selections, tempos, and cues to connected clients.
- Client (Musician) Mode: Joins an active Host session to follow on-screen changes in real time.
1.3. Connectivity Methods: Real-time data synchronization is carried out either via Firebase cloud database (requiring internet connectivity) or via a local raw TCP connection over a local WiFi network (no external internet required).
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2. INTELLECTUAL PROPERTY AND END USER LICENSE
2.1. Limited License: We grant you a limited, non-exclusive, non-transferable, revocable license to download, install, and use the Application on your mobile devices solely for your personal or professional musical performance purposes.
2.2. Intellectual Property Rights: All intellectual property rights in the Application (including software code, UX/UI layouts, branding, proprietary file formats such as `.mst`, and default structural components) belong exclusively to the Company.
2.3. Songpacks: Pre-made packs ("Songpacks") offered in the Application may include chord progressions, tempo (BPM), lyrics and performance notes. The Company only includes works whose copyright term has expired (public domain) or content for which the necessary permissions have been obtained, and may update pack contents (add, remove or correct works). Artist and song names are used solely to identify the works and do not imply any association with or endorsement by their owners. Upon notice from a rights holder, the Company reviews the content and removes it from the pack where necessary; refund requests are subject to Section 5.3.
2.4. Prohibited Uses: You may not reverse engineer, copy or modify the Application or its file formats; collect data from the catalog by automated means; or distribute, sell or publicly share purchased pack content with third parties by exporting it or otherwise. Such uses may lead to suspension or termination of your account under Section 6.1.
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3. USER-GENERATED CONTENT (UGC)
3.1. Local Storage and Responsibility: Lyrics, chords, structured sheets, and setlists manually created or imported (via MusicXML/.mxl) by you are stored on your device's local storage and/or cached offline.
3.2. Copyright Compliance: You represent and warrant that you own or have the necessary licenses and permissions for all content you input or import into the Application. You agree not to upload or sync copyright-infringing material.
3.3. Takedown Policy: If a copyright holder notifies the Company of an infringement hosted on our servers, we reserve the right to remove the content immediately without prior notice.
3.4. License to Operate the Service: You grant the Company a free, non-exclusive license, limited to the duration of the service, to process, store and transmit the content you upload or create for the purpose of providing the Application (transmitting it to connected devices in a live session, backup and synchronization). You retain ownership of your content.
3.5. Backups: You are responsible for backing up the data stored on your device. The Company is not liable for data loss caused by device failure, deletion of the Application or the operating system.
3.6. Feedback: The Company may freely use any suggestions and ideas you submit through the Application or otherwise, without any payment or obligation.
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4. LIMITATION OF LIABILITY — LIVE PERFORMANCE RISK
4.1. As-Is Basis: The Application is provided to you "as is" and "as available". We do not warrant that the service will be uninterrupted, error-free, or entirely secure.
4.2. On-Stage Performance Liability Waiver: You acknowledge that live performances depend heavily on local environment variables, router configurations, and hardware stability. UNDER NO CIRCUMSTANCES SHALL THE COMPANY, ITS DEVELOPERS, OR AFFILIATES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FINANCIAL OR EARNINGS LOSSES, CANCELLATION OF SHOWS, ORGANIZATIONAL FAILURES, OR LOSS OF PROFESSIONAL REPUTATION ARISING OUT OF OR IN CONNECTION WITH:
- Local WiFi network drops, raw TCP socket disconnected states, or packet losses.
- Sync latency, delays, or mismatched song layouts during a performance.
- Application crashes, freezes, screen sleep (WakeLock failures), or device compatibility issues.
- Downtime, maintenance, or connectivity drops of third-party platforms (Firebase, RevenueCat, etc.).
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5. SUBSCRIPTIONS, QUOTAS, AND IN-APP PURCHASES
5.1. Subscription Plans:
- Free Tier: Subject to quotas on usage such as songs, setlists, live sessions and the number of connected musicians. The current limits are shown on the app's Subscription screen; Maestrom may change these limits by announcing them in the app.
- Pro Tier: Provides extended usage rights and Pro tools compared to the Free Tier; its scope is shown on the app's Subscription screen. Rights offered as "unlimited" are subject to fair use: in case of abuse, automated or bulk commercial use, or use that disrupts the service, Maestrom may limit these rights. Changes to the scope are announced in the app and take effect for paid subscriptions from the next renewal period.
5.2. Payment Processing: Subscriptions and Songpack purchases are processed via Apple App Store or Google Play Store billing systems. Your payment is subject to the respective store's terms and conditions.
5.3. No Refund Policy: All in-app purchases and subscription renewals are final. Once digital content (Songpacks) is downloaded or written to local storage, it is deemed fully consumed. Refund requests must be directed to Apple or Google, and are subject to their respective refund policies. The Company does not issue direct refunds.
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6. ACCOUNT DELETION AND TERMINATION
6.1. Right to Terminate: We reserve the right to suspend or terminate your account or access to the Application at our sole discretion, without liability, for violations of this Agreement.
6.2. Permanent Deletion: You may permanently delete your account within the Settings screen. Account deletion permanently erases your profile data stored in Firestore. Records subject to legal retention obligations and purchase records held by payment providers (Apple, Google, RevenueCat) may be retained in accordance with applicable law and provider rules.
6.3. Subscription Management: Deleting your account DOES NOT automatically cancel your subscription in the App Store or Google Play. You must manually cancel your recurring subscription in your store account settings.
6.4. Changes to the Service: The Company may change, improve or discontinue any feature of the Application. A complete discontinuation of the service will be announced in the Application reasonable time in advance; the rights of users with an ongoing paid subscription period are subject to the rules of the relevant store.
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7. ELIGIBILITY AND AGE REQUIREMENT
To use the Application you must be at least 18 years old or have the legal capacity to enter into a binding agreement. Users under 18 may use the Application only under the supervision and with the consent of a parent or legal guardian. The Application does not knowingly collect data from children under 13.
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8. USER REPRESENTATIONS AND INDEMNIFICATION
You represent that (a) you hold all rights and permissions necessary for any content you upload, import or synchronize through the Application, and (b) you will use the Application in compliance with applicable law and this Agreement. You agree to indemnify and hold harmless the Company, its shareholders, officers and employees from any claim, action, damage, cost and reasonable attorneys' fees asserted by third parties arising out of your breach of these representations or your unlawful use of the Application.
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9. LIMITATION OF LIABILITY
To the maximum extent permitted by applicable law, the Company's total liability arising out of this Agreement or your use of the Application shall not exceed the total amount you actually paid to the Company for the Application (net of store fees) in the twelve (12) months preceding the claim, or, if no such amount exists, the Turkish Lira equivalent of fifty (50) US Dollars. In no event shall the Company be liable for any indirect, incidental, special, punitive or consequential damages (including loss of profits or data, or business interruption). This limitation applies in addition to the disclaimers in Section 4.
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10. CHANGES TO THIS AGREEMENT
The Company reserves the right to update this Agreement at any time. Material changes will be notified in-app or by email a reasonable time in advance and the "Last Updated" date will be revised. Your continued use of the Application after such notice constitutes acceptance of the updated Agreement.
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11. APPLE APP STORE ADDITIONAL TERMS
This section applies only to users who obtain the Application through the Apple App Store:
- This Agreement is between you and the Company only, not with Apple Inc. ("Apple"). Apple is not responsible for the Application or its content.
- The Company grants you a non-transferable license to use the Application only on Apple-branded devices you own or control and as permitted by the Usage Rules in the App Store Terms of Service.
- Apple has no obligation to furnish any maintenance or support for the Application.
- If the Application fails to conform to any applicable warranty, you may notify Apple and Apple may refund the purchase price, if any. To the maximum extent permitted by law, Apple has no other warranty obligation with respect to the Application, and all other claims, losses and expenses arising from any failure to conform are the Company's sole responsibility.
- The Company, not Apple, is responsible for addressing any third-party claims relating to the Application, including product liability, regulatory non-compliance and consumer protection claims.
- In the event of any third-party claim that the Application or your use of it infringes intellectual property rights, the Company, not Apple, is responsible for the investigation, defense and resolution of such claim.
- You represent that you are (i) not located in a country subject to a U.S. embargo or designated as "terrorist supporting", and (ii) not listed on any U.S. prohibited or restricted party list.
- Apple and its subsidiaries are third-party beneficiaries of this Agreement and, upon your acceptance, Apple has the right to enforce this Agreement against you as a third-party beneficiary.
- Contact: Sistem Robotik Yazılım Hizmetleri Ltd. Şti. — legal@maestrom.live
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12. MISCELLANEOUS
- Severability: If any provision is held invalid, the remaining provisions remain in full force.
- Entire Agreement: This Agreement constitutes the entire agreement between the parties and supersedes all prior representations.
- Assignment: You may not assign your rights under this Agreement without the Company's written consent; the Company may assign its rights.
- Waiver: The Company's failure to exercise any right does not constitute a waiver of that right.
- Force Majeure: The Company is not liable for any failure to perform caused by events beyond its control (natural disasters, infrastructure/communication outages, third-party service failures, etc.).
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13. GOVERNING LAW AND DISPUTE RESOLUTION
This Agreement shall be governed by and construed in accordance with the laws of the Republic of Turkey. Any disputes arising under or in connection with this Agreement shall be subject to the exclusive jurisdiction of the Courts and Execution Offices of Istanbul (Çağlayan/Central).