Terms of use
Effective 14 November 2026
The short version
Nightly changes display settings on your iPhone when you ask it to. Use it as you like for personal purposes. It is provided as is, and you can always undo what it does from your iPhone's own settings.
Agreement
These terms are an agreement between you and Adecastic LLC, the publisher of Nightly. By downloading or using the app you accept them. If you do not agree, please do not use the app.
What Nightly does
Nightly helps you dim and warm your iPhone display. It does this through shortcuts that you choose to add to Apple's Shortcuts app. Those shortcuts change brightness, Reduce White Point, Night Shift and, for red scenes, Color Filters. Restore brings back the brightness you had before the first Dim. You can also change any display setting manually in your iPhone’s Settings.
Your license
You may install and use Nightly on any iPhone you own or control, as allowed by the App Store's usage rules. You may not resell the app, copy it for others, or attempt to extract its source code except where the law allows.
Using it sensibly
A very dim screen can be hard to see in bright surroundings. Do not rely on a dimmed screen where you need to read it quickly, such as while driving. Nightly is a convenience tool and is not a medical or sleep treatment.
Apple
Nightly depends on features provided by Apple, including Shortcuts. Apple may change those features at any time, and parts of Nightly may stop working if it does. Apple is not a party to these terms and is not responsible for the app or for supporting it. Apple's standard license agreement for apps also applies where these terms are silent.
No warranty
Nightly is provided as is, without warranties of any kind, to the fullest extent the law allows. We do not promise that it will be free of errors or that it will always be available.
Limit of liability
To the fullest extent the law allows, Adecastic LLC is not liable for indirect or consequential loss arising from your use of the app, and our total liability is limited to the amount you paid for the app.
Changes
We may update the app and these terms. If the terms change, the new version will be posted on this page with a new effective date. Continuing to use the app after a change means you accept the new terms.
Governing law
These terms are governed by the laws of the Commonwealth of Pennsylvania, United States.
Contact
Questions about these terms can be sent to support@adecastic.com.