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Mario Guzmán

@marioguzman@mastodon.social
mastodon 4.8.0-nightly.2026-10-06
  • Open on mastodon.social

Developer of Macintosh & iPhone apps. 10+ years building macOS, iOS, & watchOS apps. I value good, honest app design that harnesses complexity while being true to the platform.

🇲🇽 🇺🇸 🏳️‍🌈
Learning #Finnish 🇫🇮

Beaverton, Oregon

3563 Followers
450 Following
50 Posts
Joined August 17, 2018
Website:
https://marioaguzman.github.io
GitHub:
https://github.com/marioaguzman
The *NEW* PDX Transit:
https://apps.apple.com/us/app/pdx-transit-next-generation/id1665339330
Open post
Mario Guzmán @marioguzman@mastodon.social
· 2w ago
My new “Braun Inspired” keycaps for my NuPhy keyboard arrived! Keyboards should be fun and sound satisfying. 🤭😍😁
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Mario Guzmán @marioguzman@mastodon.social
· 2w ago
Bring back pixel-perfect, pixel-aligned 16 x 16 icons in Mac apps with color and detail like those from the 90s and early 2000s. They were so cute and so useful!
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Mario Guzmán @marioguzman@mastodon.social
· 2mo ago
Very good use of space all around. Especially around the toolbar area. Very good distinction between content and UI too. Ample room to grab the window from the toolbar and move it around. Love it.
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Mario Guzmán @marioguzman@mastodon.social
· 3mo ago
She’s charging. Same energy. #Caturday #CatsOfMastodon
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Mario Guzmán @marioguzman@mastodon.social
· 3mo ago
This is on a non-retina display and even the tiniest of icons in the app are perfectly pixel-aligned. Ugh. We need to get back to this _level_ or craft. When did we start preferring slop over art?! Oh yes… I when the entire industry decided flat design was the way to go.
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Open post
Mario Guzmán @marioguzman@mastodon.social
· 5mo ago

Came across a really neat #AppKit API today for NSSearchField. In macOS 26, you can give it an array of example-searches that it will animate through when
- the field is the first responder/in focus
- the field is still empty

This is great for things like a maps/location search to show how specific or generic search terms can be.

The property to set is `placeholderStrings` (plural)

Check it out:

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Open post
Mario Guzmán @marioguzman@mastodon.social
· 5mo ago

One of my favorite Apple TV ads. 🤌🏼 #PowerMacG5

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Mario Guzmán @marioguzman@mastodon.social
· 1mo ago
Being a developer sucks now... https://9to5mac.com/2026/09/06/apple-might-soon-make-app-store-changes-to-raise-revenue-increase-margins-report/
9to5mac.com
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Open post
Mario Guzmán @marioguzman@mastodon.social
· 3mo ago

#MacOSX Tiger perhaps had the classiest design of any version of Mail on macOS ever imo. #Aqua

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Open post
Mario Guzmán @marioguzman@mastodon.social
· 3mo ago

Given that the display on the iPod Photo was so tiny, flat UI would had been okay for it but even with the UI it actually got, it still looks so good, classy, and high-end even 22 years later. 😮‍💨🤩🕺

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Open post
Mario Guzmán @marioguzman@mastodon.social
· 3mo ago

From Spotlight 1.0 in #MacOSX Tiger to Siri AI for macOS...

#Aqua #Spotlight

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Mario Guzmán @marioguzman@mastodon.social
· 3mo ago

I feel like a lot of modern Mac apps were designed with this mobile-ux mentality so for items that should open in a new window, they open in a model instead -- when they don't need to. Mac apps are best when they take advantage of multiple windows if/when appropriate.

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Mario Guzmán @marioguzman@mastodon.social
· 3mo ago

AHHHH Look what just got here!!!

Madonna’s Confessions II 💿

And it’s a 4 day weekend for me!! 😁

Time to party it up. Dance 💃🪩🕺

#Madonna #ConfessionsII

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Open post
Mario Guzmán @marioguzman@mastodon.social
· 3mo ago

RE: @marioguzman@mastodon.social

I might break away from the “Welcome to” or “What’s new” splash screens for my Mac apps and do something like this instead. 😄

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Open post
Mario Guzmán @marioguzman@mastodon.social
· 3mo ago

~20 years apart. Numbers ‘08 vs Numbers v15.3.

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Open post
Mario Guzmán @marioguzman@mastodon.social
· 3mo ago

Here you can compare iWork ’06 vs iWork ’08 design.

I think iWork ’08/’09 (very similar design) were my favorites. They had peak productivity-app design.

#MacOSX #iWork #Aqua

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Mario Guzmán @marioguzman@mastodon.social
· 3mo ago

Someone needs to recreate these Tutorial splash screens for iWork ‘08. They're so nice! :)

#MacOSX #iWork #Aqua

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Mario Guzmán @marioguzman@mastodon.social
· 3mo ago
Keynote ‘06 running on #MacOSX Tiger. So funny that Keynote was the first of the #iWork apps and used to be sold alone. Well, I mean, Pages wasn't a thing so of course it was. #Keynote #Aqua
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Open post
Mario Guzmán @marioguzman@mastodon.social
· 5mo ago

Contacts #macOSTahoe is so broken. First, the new design sucks. You can no longer change widths between your contacts list & the contact details view.

Second, creating a new contact glitches out resulting in data loss. Here's a video of me trying to make a new contact TWICE; both times losing my data. It also flickers A LOT.

This is Microsoft-level software quality that I would have never expected from Apple. How do you mess up something as simple as contacts?

Guess I gotta fix this app too.

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Mario Guzmán @marioguzman@mastodon.social
· 3mo ago

Tradition: 4th of July weekend means I get to have my Mexican Hotdogs. They’re spicy as hell. Chili flakes and jalapeños cooked alongside the onions and hotdogs. Serve with some arroz rojo and bam. Tons of spicy flavors exploding in your mouth. 🤤🌶️

Happy 4th of July celebrations to all who celebrate!!! 🇲🇽🇺🇸🎆

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Open post
Mario Guzmán @marioguzman@mastodon.social
· 3mo ago

I totally appreciate that things weren't so big, bold, and bubbly back. It used space efficiently and was still totally beautiful ja todella usable.

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Open post
Mario Guzmán @marioguzman@mastodon.social
· 6mo ago

#QuickTune 7.5 with macOS Tahoe compatibility is now live! Update it from QuickTune or download directly from its webpage.

https://marioaguzman.github.io/quicktune/

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Mario Guzmán @marioguzman@mastodon.social
· 6mo ago

With all the talk about the iPhone 17 Pro Max being on Artemis II, it wasn't the only time an Apple product made it to space!

In 1991, the STS-41 took a #MacintoshPortable to space to evaluate the suitability of GUIs and other hardware like trackballs in space.

The Macintosh Portable's trackball didn't work well but in STS-43, they took another Macintosh Portable with a modified trackball.

(I think this here is Astronaut William Shepherd using the #Macintosh Portable.)

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Open post
Mario Guzmán @marioguzman@mastodon.social
· 5mo ago

The argument that vibe-coded apps are fine because people making apps without the use of AI are already bad and buggy is the dumbest defense argument for pro-AI-vibe-coded apps I have heard yet.

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Mario Guzmán @marioguzman@mastodon.social
· 2mo ago
Yummy
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Open post
Mario Guzmán @marioguzman@mastodon.social
· 3mo ago
Were you #TeamAqua or #TeamGraphite back in #MacOSX Tiger?
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Mario Guzmán @marioguzman@mastodon.social
· 3mo ago
What is more American than a cheap donut and Starbucks for breakfast?
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Mario Guzmán @marioguzman@mastodon.social
· 3mo ago
Makes me sad that people would rather spend more time on icons, silly animations, theming on their apps than what actually matters. Apple became the gold standard on UI design not primarily because it was pretty — but because they came up with solid mental models that backed the app’s design in a way that just made sense (to most people). Then they would make it pretty. But ease of use and simplicity was the goal. Themes, icons, silly animations don’t matter if your app is confusing to use.
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Open post
Mario Guzmán @marioguzman@mastodon.social
· 5mo ago
Replying to
Confessions is one of the greatest albums in the history of MUSIC. #Madonna #Confessions2
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Open post
Mario Guzmán @marioguzman@mastodon.social
· 4mo ago
Replying to
@ccgus@mastodon.social please feel free to send me any feedback like missing tidbits that I can maybe use to update the page! :) and thank you!
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Mario Guzmán @marioguzman@mastodon.social
· 3mo ago

I’m a sucker for cute marketing

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Mario Guzmán @marioguzman@mastodon.social
· 5mo ago
Replying to
Why can’t we have nice, safe partnerships, #Starbucks? Like the iTunes + Starbucks partnerships in the 2000s. Those were very nice and friendly.
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Open post
Mario Guzmán @marioguzman@mastodon.social
· 3mo ago
Replying to
@pasi@infosec.exchange @tuomas_h@mastodon.social this here is a Marble Bar. Basically a Maple Bar just with the swirly on top 🤣
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Mario Guzmán @marioguzman@mastodon.social
· 3mo ago
Replying to
@pasi@infosec.exchange I wish I didn't but my body is just conditioned to wake up at 7am no matter how late I go to bed. And then I just won't be able to fall asleep. I hate it.
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Mario Guzmán @marioguzman@mastodon.social
· 3mo ago
Replying to
@pasi@infosec.exchange I am still just waking up (6:51 am) and I read this as “my first computer was in prison…” 😅
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Open post
Mario Guzmán @marioguzman@mastodon.social
· 5mo ago
Replying to
@mjtsai@mastodon.social the funny thing is I apply it on NSSearchField in my app but you’ll find the documentation for it on NSTextField haha so yeah. Thanks for pointing it out here though. I should have done it on my original toot!
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Mario Guzmán @marioguzman@mastodon.social
· 5mo ago
Replying to
@Eggfreckles@mastodon.mit.edu ah yes, well for one, I wouldn’t know. I was using Mac OS 8/9 at the time. And second, @colincornaby@mastodon.social always sends me this damn ad. Ha
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Mario Guzmán @marioguzman@mastodon.social
· 5mo ago
Replying to
@Eggfreckles@mastodon.mit.edu yep. Totally badass at 47 and a total badass at 67 today. Madonna and Cher are both untouchable.
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Mario Guzmán @marioguzman@mastodon.social
· 6mo ago
Replying to
@johnvoorhees oh of course you want shared data models. I’m talking about all the UI. I still lean on AppKit for example, to get a far better experience than what SwiftUI could provide currently. And I’ll try to have a desktop mindset rather than desktop-ifying the mobile app UI as much as I could.
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Mario Guzmán @marioguzman@mastodon.social
· 4mo ago
Replying to
@mysterycoconut@mastodon.gamedev.place it could be. In cases where perhaps the checkbox enables/disables the Size row under it, it could then be indented. That way indentation shows they’re together. However, in previous Apple examples, I didn’t see this case where it was indented. But trust me, I had originally wondered about this too. :) I’ll go back and see if I could find anything more concrete on this as well as your second point.
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Mario Guzmán @marioguzman@mastodon.social
· 5mo ago
Replying to
@pasi@infosec.exchange and once again I am rooting for 🇫🇮. I will say, Eurovision entries mostly suck this year. I like maybe 3 songs and Finland’s is the best because of the talent required for both vocals and the violin. 🎻
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Mario Guzmán @marioguzman@mastodon.social
· 5mo ago
Replying to
@pasi@infosec.exchange heck yeah! I really do hope they at least make top 3 but with his talent and that epic song, pretty sure the jury will go for them. Let’s hope! Unless Israel cheats again.
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Mario Guzmán @marioguzman@mastodon.social
· 5mo ago
Replying to
@pasi@infosec.exchange haha I watched it as it premiered bc they had a Notify Me option! 😍 I’m also watching Käärijä joining Joost at Coachella in my home state of Calif. last night. Ugh I’m so mad I didn’t go! 🤬 Your Finnish boy is in the US right now. 🤩 Finnish Embassy in Washington DC, Colorado with BBNO$, Coachella with Joost last night in California… where to next?!
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Mario Guzmán @marioguzman@mastodon.social
· 6mo ago
Replying to
@johnvoorhees honestly, not even this. In my head, the Mac and iPhone/iPad are so distinct that I just go off on separate paths for them. Same set of large features but wildly different layouts and navigation points. Let the Mac do what it does best. Let the iPhone do what it does best. This way, you don’t influence too heavily from one to the other — which I have been guilty of.
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Mario Guzmán @marioguzman@mastodon.social
· 2mo ago
Uh oh. iOS 27 seems to have deleted one of my Messages conversations. @colincornaby@mastodon.social just text me and noticed all my previous conversation with him is gone. It’s like a brand new chat. Uh oh.
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Mario Guzmán @marioguzman@mastodon.social
· 5mo ago
Replying to
@Starfia thank you!!! 🙏
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Mario Guzmán @marioguzman@mastodon.social
· 2mo ago
I’m still obsessed with #BANGARANGA two months later… 💃🏻 https://youtu.be/EltgrumKJfk?is=oTHk3xdfXmsXgMyb
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Mario Guzmán @marioguzman@mastodon.social
· 5mo ago
Replying to
@pasi@infosec.exchange
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