Jonathan Deutsch

Founder of Tumult, creator of Mac software @hypeapp and @TumultWhisk.
Ex-Apple, Ex-Purdue, Ex-STL.
Kendo practitioner & Bagel eater.

@[email protected]

[Jonathan Deutsch @jmfd]

So if you've got an idea that could be an app, now is the best time to [insert nike slogan]!

[Jonathan Deutsch @jmfd]

...and made by someone with a background in "old fashioned" print design. An engineering background would have been required to make this just ~6 months ago. Claude and a few days of work resulted in a fully functional tool. It was fun seeing this built and used in person. (2/3)

[Jonathan Deutsch @jmfd]

More than ever there's no need to put yourself in a box. This product is proof - a visual design review tool including a complete backend... (1/3)

https://t.co/CBo6ehZnvP

[Jonathan Deutsch @jmfd]

I heard that Mark Zuckerberg hates Liquid Glass as much as the rest of us, and gave Alan Dye a pile of cash to stop messing up macOS.

[Hype @hypeapp]

Happy Holidays! From now through Cyber Monday, get Tumult Hype and Whisk 30% off:

https://t.co/Oq5FcI6hxo

#BlackFriday #CyberMonday

[Hype @hypeapp]

Tumult Hype 4.1.20 is now available! macOS 26 Tahoe users can finally get out of 'Squircle Jail' with an update app icon. Everyone gets bug fixes. Update now!

https://t.co/4vkFpRKIz8

[Jonathan Deutsch @jmfd]

Apple just made a nano-texture display on its hardware to reduce the issues with using glass. Then they added all the flaws of glass back via software...

...The call is coming from inside the house! 😱

[Matt Ronge @mronge]

I just released my first vibe-coded app ROCK PLANNER for iPad, and it was SO MUCH fun. I haven't enjoyed writing software this much in years.

Rock Planner is my attempt at a new iPad daily planner app built for Apple Pencil. It integrates with your calendar and makes creating daily notes a cinch.

When I started, I didn't know Swift or SwiftUI, but that wasn't a problem.

I began experimenting with Cursor to see how far I could take it, and I was surprised to find out the result was... ALL THE WAY TO SHIPPING.

Granted, I have a lot of experience with Objective-C and UIKit, but I hadn't touched development in years. In the hands of a reasonably skilled developer, Cursor is a superpower.

So check it out on the App Store: Rock Planner.

[Jonathan Deutsch @jmfd]

@richgraemebowen I'm trying to add my apps to your buy once software directory, but am getting a 502 error when clicking the "add your software- $10" button.

[Jonathan Deutsch @jmfd]

@wooster Zoomed by at the moment fireworks went off at the stadium.

[Jonathan Deutsch @jmfd]

So cool to see my friend's uber-cute capybara sled game released on steam:

https://t.co/G7af4QwVSM

[Jonathan Deutsch @jmfd]

Am I going to need to send a cease and desist to google over "Whisk?"

https://t.co/2qc94jR3Ry

[Jonathan Deutsch @jmfd]

@jsoncorwin @wooster @sfcatacombs The Commons also has a direct door into the 550 Laguna space (formerly the clothing store), and there's a bathroom there. Two seems okay.

[Partiful @partiful]

just reviewing the apple developer guidelines

[Jonathan Deutsch @jmfd]

I decided to start blogging again!

"Naming Things" is my list to help objectively score a great product name.

https://t.co/DA016Dszbz

[Wes Kao 🏛 @wes_kao]

There’s nothing “just” about “just hopping on a call.”

Let's say your colleague asks you a reasonable question.

You could take 5 minutes to write a cogent reply.

But instead, you say, “Let’s hop on a call.”

When you say this, sometimes what you really mean is: “I don’t want to do the work of clarifying my own thinking. And I believe it’ll be easier to think out loud and answer in a live conversation.”

My response to you is:

I do not want to hop on a call because you are too lazy to write a cogent message.

If you don’t want to invest a few minutes to write a reply to a reasonable question, why should I listen (with no 1.5x button) as you meander in real time? GTFO.

To be clear, I am not blindly against live meetings, nor am I blindly in favor of async communication.

There are plenty of reasons to hop on a call, and I hop on calls all the time. But let's be intellectually honest about whether we could share a perfectly good response in writing, if we took an extra beat.

[Jonathan Deutsch @jmfd]

@wooster Perhaps not the whole reasons, but I found this to be illuminating on the recent trends: https://t.co/UfV3Pzql0R

[Hype @hypeapp]

Heads up: We're discounting our apps 30% for a bit!

https://t.co/daQwkBvFw1

#cybermonday #BlackFriday

[Jonathan Deutsch @jmfd]

@kartick_vad Without a doubt! That said, I'd personally and selfishly prioritize my use case because:
- you can add an external battery pack, but I can't shed weight
- 24h battery life probably handles a ton of long-life use cases already
- There's low power mode to get even more life

[Jonathan Deutsch @jmfd]

The battery characteristics on the M4 vs M4 Pro vs M4 Max are interesting.

If you were hoping for a battery life upgrade like me from the M1 Pro, going for the M4 Max would not do very much.

(That said, I would still happily make the tradeoff of *less battery* for less weight)

[Hype @hypeapp]

Last night wasn't spooky enough? Check out @MaxZiebell's Halloween-themed Hype document where you have to enter gestures in order to save yourself from the monster:

https://t.co/7j8EfxHIt0

(as an answer to: https://t.co/T111fmpxga)