Blog
- No sleep timer on my Mac, so I built one: Sleep Timer, two years on
macOS has no sleep timer. I typed a Terminal command every night, then built Sleep Timer. The story from version 2.1 to 4.6, plus the free ways that work.
- App Store creative assets: sizes, review time and API upload (2026)
Exact sizes, the real crop on iPhone, review time for 69 approved images and the API steps for the new App Store header and search image.
- On-device AI found 40% of deadlines, the cloud 87%: building Postklar
Six days from first commit to the App Store: the test that flipped the design, the code that checks the model, and what App Review asked about AI.
- How long App Store review takes in 2026: 91 submissions measured
Median 20 hours in the queue, 36 minutes of actual review. Data from 91 App Store submissions across eight apps, plus how expedited review works.
- One evening of website: what it did for a small Mac app
Sleep Timer got a four-language site in one evening. Eight weeks later one in six downloads comes from it and a fifth of Google impressions are AI answers.
- App Store keywords: what moved rankings for us and what did not
Two years of ASO on one photo app, measured, not guessed. The keyword field mistakes, the rule about events, and why Vietnam beat the US.
- Four App Review rejections in 15 days: a Mac app post-mortem
Guidelines 2.4.5(iii), 5.1.1(iv), 2.1 and 2.1(a): what Apple wrote, what they meant, what we changed, and the checklist we use now.
- Seven apps on the App Store: what made money and what did not
Two years of shipping solo. The AI apps bring the downloads, one small Mac utility brings the money. What the numbers say and what I changed.







