Randall Field notes · South Texas
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The log

Every entry, newest first.

Weekly notes on shipping apps, work, rentals, family, and faith in South Texas — the wins, the numbers, and the things I got wrong.

64 entries Jan 2026 – Oct 2026 ~4 hrs of reading

64 entries

October 2026 · 21 entries

  1. iPhone Duo Screen Sizes and Layout Notes for Developers

    Display sizes in points, safe areas, size classes and fold behavior measured in Apple’s iPhone Duo simulator, plus Apple’s guidance on the fold region and hinge API.

    appsbuildingiphone-duo
  2. How I Make AI UGC Ads: Real Costs and What Failed

    What AI presenter ads cost me with ElevenLabs and fal.ai, how I cut the cost, what broke along the way, and the results so far, including the parts that did not work.

    aimarketingvideoapps
  3. How to Tell If an App Is Ready for the iPhone Duo

    Which apps will actually use the iPhone Duo’s two displays? A simple look-at-the-screen test, what to check before you download, and what the three levels of support mean.

    appsbuildingiphone-duo
  4. RaceJoy vs Strava Beacon vs HypeLap for Race Spectators

    How RaceJoy, Strava Beacon and HypeLap differ for friends and family following a runner: what spectators need, what they see and what they can send.

    appshypelaprunningbuilding
  5. Sousbook for iPhone Duo: Your Personal Recipe Book

    A recipe organizer for iPhone Duo: save and scan recipes, build grocery lists, and cook with ingredients beside steps. See Sousbook in the simulator.

    appsbuildingsousbookcooking
  6. An App Store Review Isn’t a Roadmap. It’s a Clue.

    A practical way for indie developers to read App Store reviews, find recurring product issues, respond thoughtfully, and prioritize changes without treating every request as a roadmap.

    appsbuildingfeedback
  7. How to Create AI UGC Ads With ElevenLabs and fal.ai

    Create AI UGC-style app ads with ElevenLabs voiceovers, fal.ai lip sync, real product screenshots, and reusable hooks. My Heirloom workflow, with a video example.

    aimarketingvideoapps

September 2026 · 7 entries

  1. Using GPT-6 Astra in Codex to Build and Ship Apps

    How GPT-6 Astra carries an app from idea to a verified result in Codex: one working session across SwiftUI, App Store metadata, websites and releases.

    appsbuildingai

August 2026 · 5 entries

  1. The Best App Roadmap Is a Set of Questions

    Turn a feature list into a roadmap of questions: tie every change to a user problem, a product question, or a learning goal. A method for small app portfolios.

    appsbuildingstrategy
  2. The Three Playbooks Behind My App Workflow

    A small app usually needs more than code. These are the three playbooks I use to move from an idea to a released, measurable product.

    appsbuildingbusiness

July 2026 · 6 entries

  1. Telegram Topics, OpenClaw, and the Next Layer

    Telegram topics are working, OpenClaw is getting sharper, and Will is turning into a more useful daily operating layer instead of just another chatbot.

    aitools

June 2026 · 2 entries

May 2026 · 4 entries

  1. Work, Family Milestones, and Showing Up More

    A busy stretch at work, Kenzie losing her first tooth, a strong week with the Data Services and SRE teams in McAllen, Mother’s Day dinner at Ambra, and serving more at church

    workfamilyfaith

April 2026 · 1 entry

March 2026 · 5 entries

February 2026 · 3 entries

  1. Building for Builders

    Shipped 3 apps in weeks. Now I am building the tools that help other people ship faster.

    appsai

January 2026 · 10 entries

  1. I Finally Published Real Estate Manager

    After building it over the holidays, my property management app for small landlords is officially out. Here is what it does and why I built it.

    appsrentals
  2. Back-to-Back Calls and a New AI Hat

    Long workday, AI and Payments work in Architecture, kids back in school, and Clawdbot PR #435 landed

    workai
  3. Week One: Back to Building

    First week back in 2026 - setting up systems, AI assistance, and getting organized

    aiwork