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Petr Jahoda's avatar

Petr Jahoda

8-bit -> 16-bit -> 32-bit -> 64-bit
??? -> DOS -> Win 3.1 -> WIn95 -> WinXP -> Linux -> OSX -> macOS
ZX Spectrum -> PC -> MAC
Basic -> C -> Java -> C# -> Go -> Swift

Multiple others are lost and forgotten.


Products

  1. MES for factories

    This is my daily job.

    ongoing
  2. justRead

    A brand new app for reading on iPhones.

    ongoing0

Articles

  1. Why the world needs a new mobile app for readingjustread.app

Recent activity

Jun 18, 2026created a post
My first App Store App was profitable from Day One: $1,000+ in 1st month
Feb 8, 2026commented on a post
How much does it take to “finish” an app
Feb 5, 2026created a post
How much does it take to “finish” an app
Jan 26, 2026created a post
When Your App Freezes in Front of Your Testers: What I Learned About Ego & iOS Development
Jan 25, 2026created a post
30 Days of Daily Sauna: How I Fixed My Sleep and Stopped Burning Out as a Developer
Jan 21, 2026created a post
Why 88% of app users abandon apps (and how to fix it)
Jan 18, 2026commented on a post
Why I built a 'dumb' reading app in the era of AI and Social Feeds
Jan 18, 2026commented on a post
Why I built a 'dumb' reading app in the era of AI and Social Feeds
Jan 15, 2026commented on a post
Why I built a 'dumb' reading app in the era of AI and Social Feeds
Jan 14, 2026commented on a post
Why I built a 'dumb' reading app in the era of AI and Social Feeds
Jan 12, 2026created a post
Comparison between JustRead, Apple Books, Kindle and BookFusion
Jan 12, 2026commented on a post
Why I built a 'dumb' reading app in the era of AI and Social Feeds
Jan 11, 2026commented on a post
Why I built a 'dumb' reading app in the era of AI and Social Feeds
Jan 9, 2026commented on a post
Why I built a 'dumb' reading app in the era of AI and Social Feeds
Jan 8, 2026commented on a post
Why the world needs a new mobile app for reading
Jan 8, 2026commented on a post
Why I built a 'dumb' reading app in the era of AI and Social Feeds
Jan 8, 2026commented on a post
Why I built a 'dumb' reading app in the era of AI and Social Feeds
Jan 7, 2026commented on a post
Why I built a 'dumb' reading app in the era of AI and Social Feeds
Jan 7, 2026commented on a post
Why the world needs a new mobile app for reading
Jan 7, 2026created a post
Why We Built justRead This Way

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