Legal Agreement·Effective Date: October 2026

Terms of Use

Please read these Terms of Use carefully before downloading, installing, or using the Autumn mobile application and related web services.

Summary in plain English
Autumn provides high-fidelity wallpapers and dynamic Time-Shift technology for personal use on your Android devices. You are free to enjoy and apply our wallpapers to your home and lock screens. Please do not scrape, re-distribute, or sell our artwork. Subscriptions and purchases are managed transparently through Google Play Billing.

1. Acceptance of Terms

These Terms of Use ("Terms") constitute a legally binding agreement between you ("User", "you", or "your") and Autumn App ("Autumn", "we", "us", or "our"), governing your access to and use of the Autumn mobile application for Android, our website at autumnapp.art, our APIs at apis.autumnapp.art, and all associated services, wallpapers, content, and software (collectively, the "Service").

By downloading, installing, launching, or using Autumn, you acknowledge that you have read, understood, and agreed to be bound by these Terms. If you do not agree with any part of these Terms, you must immediately cease using and uninstall the application.

2. Personal License & Intellectual Property

Subject to your compliance with these Terms, Autumn grants you a limited, revocable, non-exclusive, non-transferable, non-sublicensable license to download, view, and apply wallpapers provided through the Service solely on personal Android smartphones, tablets, or compatible Android displays.

Proprietary Rights & Restrictions

  • Copyright: All wallpaper images, photographs, 4K digital renderings, Time-Shift color transitions, graphic marks, interface elements, typography, and software code are the intellectual property of Autumn or our licensors and are protected by international copyright laws.
  • No Redistribution: You may not copy, reproduce, mirror, republish, redistribute, bundle, upload to wallpaper discovery apps or repositories, or make our wallpapers publicly accessible without our prior written authorization.
  • No Commercial Use: You may not sell, license, rent, or monetize any artwork or wallpaper obtained through Autumn.
  • No AI Training: You may not use, scrape, or extract any wallpapers, images, or metadata from Autumn for the training, fine-tuning, or validation of machine learning or artificial intelligence models.

3. Autumn Pro Subscriptions & Purchases

Autumn offers free features as well as an optional premium tier ("Autumn Pro"). Autumn Pro grants access to exclusive features, including unlimited Time-Shift dynamic sets, the complete Noir AMOLED collection, and full-resolution uncompressed downloads.

Google Play Billing

All financial transactions, subscriptions, and lifetime licenses are processed exclusively through Google Play Billing and verified via RevenueCat. Autumn does not store or process payment card numbers or bank information.

Auto-Renewal & Cancellations

Subscriptions automatically renew unless cancelled at least 24 hours prior to the end of the current billing cycle. You can manage or cancel your subscription at any time directly in your Google Play Store Account Settings.

Refunds: Refund requests are governed by Google Play Store standard refund policies. If you encounter billing issues, you can submit a refund claim directly via Google Play or contact our support team.

Lifetime Licenses: Lifetime purchases provide access to Autumn Pro features for as long as the application is maintained and supported on compatible Android operating systems.

4. System Requirements & Permissions

Autumn requires a compatible device running Android 11 (API level 30) or later. To provide native wallpaper switching and solar-timed updates, Autumn utilizes specific Android operating system APIs:

SET_WALLPAPER & SET_WALLPAPER_HINTS

Enables Autumn to apply static 4K bitmaps directly to your Home Screen, Lock Screen, or both through the Android WallpaperManager.

SCHEDULE_EXACT_ALARM / USE_EXACT_ALARM

Enables the Time-Shift engine to register precision wake alarms that update the wallpaper at sunrise, dusk, and nighttime intervals in milliseconds without running a persistent battery-draining background process.

Manufacturer Battery Optimizations: Certain custom Android OEM skins (such as MIUI, OxygenOS, or ColorOS) enforce aggressive third-party app termination policies. To guarantee seamless Time-Shift transitions, users may need to whitelist Autumn from aggressive battery-saver modes.

5. Acceptable Use & Restrictions

You agree not to engage in any of the following prohibited activities:

  • Decompiling, disassembling, reverse engineering, or attempting to reconstruct the source code of the Autumn APK or backend services.
  • Circumventing, disabling, or tampering with license verification, RevenueCat entitlement flags, or digital rights management protocols.
  • Using automated crawlers, scrapers, bots, or scripts to bulk download wallpapers or query apis.autumnapp.art.
  • Transmitting malicious code, exploits, or payload requests designed to disrupt Autumn infrastructure.
  • Using Autumn content for any unlawful, defamatory, or copyright-infringing purpose.

7. Disclaimers & Warranties

Warranty Disclaimer

THE SERVICE AND ALL WALLPAPERS ARE PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT. AUTUMN DOES NOT WARRANT THAT THE SERVICE WILL BE UNINTERRUPTED, TIMELY, SECURE, OR ERROR-FREE, NOR THAT THIRD-PARTY HOME LAUNCHERS OR CUSTOM ROMS WILL DISPLAY WALLPAPERS WITHOUT ARTIFACTS.

8. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL AUTUMN, ITS DIRECTORS, EMPLOYEES, PARTNERS, OR CREATORS BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF DATA, DEVICE DAMAGE, BATTERY DEGRADATION, OR LOSS OF GOODWILL, ARISING OUT OF OR IN CONNECTION WITH YOUR ACCESS TO OR USE OF THE SERVICE.

IN NO CASE SHALL AUTUMN'S TOTAL AGGREGATE LIABILITY EXCEED THE TOTAL AMOUNT ACTUALLY PAID BY YOU TO AUTUMN FOR PRO ACCESS DURING THE TWELVE (12) MONTHS IMMEDIATELY PRECEDING THE CLAIM.

9. Modifications & Termination

We reserve the right to modify, suspend, or discontinue any feature, collection, or component of the Service at any time with or without notice. We may update these Terms periodically; any revisions will be published on this page with an updated Effective Date. Continued use of Autumn after changes become effective constitutes acceptance of the modified Terms.

We reserve the right to revoke license access or restrict use of the Service to any individual who violates these Terms or engages in fraudulent activity.

10. Contact Information

If you have questions, feedback, or legal inquiries regarding these Terms of Use, please contact us:

Application: Autumn for Android
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