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Why the Mac app isn't in the Mac App Store

Nobody rejected it: I never sent it. Here is what that gains, what it costs, and why it is worth it today.

The Saelyx Mac app is not in the Mac App Store. It is worth clearing up first what did not happen: nobody turned it down. I never sent it.

It is a decision, and like every decision it has two sides. I'll tell you both.

01What it gains

That nobody decides for me when a version reaches your Mac. If I find a bug this afternoon, the fix ships this afternoon. There is no review queue standing between my mistake and your computer.

That is not theory. Today alone I corrected three things on the same day I found them. In a store, two of those corrections would have waited days.

It also gains what the app is able to do. An agent that sees your screen, types for you in any application and works in the terminal needs permissions that are natural outside the system's sandbox and a negotiation inside it. I prefer the whole product.

02What it costs

That you have to trust me more than you would trust the store. That is a real cost and I'm not going to dress it up: when you download something from the Mac App Store, Apple has looked first. Here the one who looked is me.

It also costs in discovery. Nobody is going to find Saelyx by browsing the store. Everyone who arrives, arrives because someone told them or because they read something I wrote. It is slower and it is more expensive.

03What I do so that trusting me costs you less

The app is signed and notarised by Apple. Notarising is not the same as reviewing: Apple doesn't look at what the app does, but it does check that it carries no known malware, and it seals the package. Your Mac verifies that seal before opening it, and if anyone had touched the file along the way, it would not launch.

It updates itself, with the same mechanism many Mac apps outside the store use. And there is an honest detail worth stating: updates only go forward. There is no way to return to an earlier version from within the app.

And the code that decides what leaves your machine is described in the privacy policy in more detail than is usual, including the part that does not flatter me.

04This applies to the Mac, and only to the Mac

It pays to be exact here, because it is easy to blur: not sending it is a decision about the Mac app. The iPhone one is a different story and I'm not going to tell it here as if it were the same.

On the desktop there is a real alternative to the store —sign, notarise and distribute it yourself— and on the phone there isn't. When somebody says "I don't believe in app stores" and has an app on the phone, they are telling half the story.

05And access, which is what I get asked most

Being outside the store doesn't mean hitting download is enough. Today you come in by invitation: you ask, I review it by hand, and I write when there is room.

It is not scarcity out of a marketing handbook. It is that an agent that sees your screen and hears you is a product where the first few hundred people matter far more than the first few thousand, and I want to be able to look after whoever comes in.

06Will it change?

It might. If one day the store stops costing what it costs today in capabilities, I will reconsider and I will say so here. What I am not going to do is fly it as a flag: it is a calculation, not an identity, and calculations change when the numbers do.

07Frequently asked questions

Is it safe to install something that doesn't come from the store?

It is signed and notarised by Apple, and your Mac checks that seal before opening it. That is not the same as a content review: it means the package is Saelyx's and that it has not been altered.

How does it update?

On its own. It detects the new version and updates. It only goes forward: there is no way back from within the app.

Is there an iPhone version?

The product you can use today is the Mac one. When there is something to announce about the iPhone, I will announce it; I am not going to put a date on something I cannot hold to.

Does it work on Windows?

No. It is a Mac app.

How do I get it?

By invitation. You ask on the website and I approve requests by hand, one at a time.


— Adianny
Senior DevOps engineer. I've spent about four years working with machine learning and MLOps, now as a tech lead; Saelyx is my side project.

Invite-only access

Ask for it for your Mac.

Saelyx sees your screen, hears you and acts with you at once. I read every request by hand and I write to you as soon as there is room for you.