End User Licence Agreement

Effective 18 September 2026. This is the agreement shown in the app on first launch. Emailyst is made and sold by Odibert Eid, trading as Odibert ("I", "me", "the developer"). This agreement is between you and me. It governs your use of the Emailyst application and any updates to it ("the app").

By clicking Accept in the app, or by installing, copying or using the app, you agree to this agreement. If you do not agree, click Decline; the app will close, and you should delete it.

1. Licence

I grant you a personal, non-exclusive, non-transferable licence to install and use the app on Macs that you own or control, for your own purposes, subject to this agreement.

The free version may be used on any number of your Macs, with the limits shown in the app. A paid licence key unlocks the full version of every 1.x release on up to three of your Macs at once. A licence key is for you alone; it may not be shared, resold or published, and a key found to be shared widely may be deactivated.

The app is licensed, not sold. I keep all rights in the app, its code, design and name that are not expressly granted here.

2. What you may not do

You may not copy the app except as the licence allows, or distribute, rent, lend, sell or sublicense it. You may not modify the app, work around its licence checks, or attempt to reverse engineer, decompile or disassemble it, except to the extent the law where you live expressly permits despite this term. You may not use the app to break the law or to violate anyone's rights.

An altered copy of the app is not covered by this licence or by any support, and the app will say so if it detects that it has been altered.

3. What the app does with your mail

The app reads mail already stored on your Mac by Apple Mail, judges it with the language model built into macOS, and, only when you tell it to or on a schedule you set up, moves messages to a folder you chose inside your own mail account. It never deletes mail, and anything it moves can be moved back. Your mail is never sent to me or to anyone else. What the app does send is described in the privacy policy, which forms part of this agreement.

Judgements made by a language model can be wrong. Every move is reversible precisely because of this, and unless you switch on automatic filing the app shows you what it intends to move before it moves anything. If you switch on automatic filing, you are choosing to let the app move mail on its own judgement, without showing you first, to a folder you chose; you should look in that folder from time to time. You are responsible for reviewing what the app proposes, for what you choose to move or to automate, and for keeping backups of mail that matters to you. Apple Mail, and any mail service it connects to, remain the place your mail is kept; the app is not a backup.

4. Third-party services

The app uses the on-device language model that is part of macOS, under Apple's terms. If you choose to connect a Gmail account, the app uses Google's services under your Google account and Google's terms; the token Google issues stays in your Mac's Keychain and can be revoked by you at any time. Sync between your Macs, if you switch it on, uses your own iCloud Drive under your Apple account. These services are not mine, and I am not responsible for them, but I am responsible for how the app uses them, as described in the privacy policy.

5. Buying, keys and refunds

Purchases are handled by a payment service (Lemon Squeezy or PayPal); their terms apply to the payment itself. Activating a key registers the Mac with my licence server; the app then confirms the licence about once a day and keeps working for a month without a connection.

If the app is not for you, email [email protected] within 14 days of purchase for a full refund. A refund deactivates the key. Nothing in this section limits refund rights you have under the law where you live.

6. Updates and support

The app checks for updates and offers them; installing is your choice. A paid licence covers every 1.x update. I may release a version 2 as a separate product, offered to version 1 owners at a reduced upgrade price; your version 1 licence does not expire. Support is by email at [email protected]. I will do my best, but I do not promise response times or that every problem can be solved.

7. Term and termination

This agreement lasts until it ends. You may end it at any time by deleting the app. I may end it if you materially breach it, in which case you must stop using the app and delete it. Sections 2, 8, 9, 10 and 12 survive the end of the agreement.

8. Disclaimer of warranties

TO THE FULLEST EXTENT PERMITTED BY LAW, THE APP IS PROVIDED "AS IS" AND "AS AVAILABLE", WITHOUT WARRANTY OF ANY KIND, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE OR NON-INFRINGEMENT. I DO NOT WARRANT THAT THE APP WILL BE ERROR-FREE OR UNINTERRUPTED, THAT ITS JUDGEMENTS ABOUT ANY MESSAGE WILL BE CORRECT, OR THAT IT WILL MEET YOUR REQUIREMENTS.

Some jurisdictions do not allow the exclusion of implied warranties, so parts of this section may not apply to you. Nothing in this agreement limits rights you have as a consumer that cannot be limited by contract.

9. Limitation of liability

TO THE FULLEST EXTENT PERMITTED BY LAW, I WILL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL OR PUNITIVE DAMAGES, OR FOR ANY LOSS OF DATA, MAIL, PROFITS, BUSINESS OR GOODWILL, ARISING OUT OF OR RELATED TO THE APP OR THIS AGREEMENT, HOWEVER CAUSED AND UNDER ANY THEORY OF LIABILITY, EVEN IF I HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN ANY EVENT MY TOTAL LIABILITY FOR ALL CLAIMS RELATING TO THE APP WILL NOT EXCEED THE AMOUNT YOU PAID FOR IT, OR TEN US DOLLARS IF YOU PAID NOTHING.

Some jurisdictions do not allow these limitations, so parts of this section may not apply to you.

10. Indemnity

You agree to indemnify me against claims, losses and reasonable costs arising from your breach of this agreement or your misuse of the app, including use of the app to violate another person's rights or the law.

11. Privacy

How the app and the website handle information is described in the privacy policy. In short: your mail never leaves your Mac; the app sends a licence check and, unless you switch it off in Settings, a small daily count of copies in use that contains nothing about your mail; a free copy also sends how much of its free allowance this Mac has used, as scrambled codes that name no account.

12. Governing law and disputes

This agreement is governed by the laws of the State of New York, United States, without regard to its conflict-of-law rules, except where the law where you live requires otherwise for consumers. If you have a dispute with me, write to [email protected] first; most problems are fixed that way. Any dispute that cannot be resolved informally will be brought in the state or federal courts located in New York, and you and I each consent to their jurisdiction, except that either of us may bring a claim in small-claims court, and you may have the right under your local law to bring a claim where you live.

13. General

This agreement, together with the privacy policy and the terms of sale, is the whole agreement between you and me about the app. If any part of it is found unenforceable, the rest stays in force. My not enforcing a term is not a waiver of it. You may not assign this agreement; I may assign it to a successor who takes over the app. I may update this agreement for future versions of the app, and the app will ask you to accept the new version; changes never take away a licence you have already paid for.

Contact

Odibert Eid, trading as Odibert. [email protected]