Dewy Golf
A native golf companion for iPhone and Apple Watch. Yardages, scoring, and a round summary that reads like a sentence instead of a stat sheet. Glanceable, quiet, no upsells.
dewygolf.com →
Howdy, I'm John Marc. I'm an Apple platforms engineer, currently building Dewy Golf. I love making things for developers and users alike.
13 years at Apple, across App Store, Privacy, and Vision Pro. Now independent and building Dewy Golf, with freelance work in the gaps. I write here about what I'm working on, what I've learned, and whatever's caught my eye lately. Based in Boulder, Colorado.
Things I'm building
ioloro
Apps that delight, respect your privacy, and solve real problems.
ioloro.com →Freelance
I help teams ship great native apps for most Apple platforms.
Get in touch →Writing
RSS →- May 30, 2026 Weekly Status Update: May 30th, 2026 Devlog
- May 23, 2026 Weekly Status Update: May 23rd, 2026 Devlog
- May 16, 2026 Weekly Status Update: May 16th, 2026 Devlog
- May 9, 2026 Weekly Status Update: May 9th, 2026 Devlog
- May 6, 2026 Howdy, again. Life