Independent apps for iPhone and iPad

Small apps that do one job well.

I’m David. I make focused apps for practicing sports, fixing photos, and everyday tasks. Many of them do all their work right on your device, and none of them want an account just to get started.

New · Coming soon

Video Delay

Prop up your phone, do your rep, and watch it back seconds later. Hands-free. Slow motion, drawing tools, and TV output for golf, baseball, tennis, gymnastics, and more.

See how it works →
A golfer mid-swing at a driving range while a propped-up iPhone shows the same swing on a delay.

Sports & practice 3

  • Video Delay

    Prop up your phone, do your rep, and watch it back seconds later. Hands-free.

  • SwingDraw

    Draw over golf swings, compare two videos, and review motion frame by frame.

  • BaseballDraw

    Review hitting and pitching video frame by frame, draw on clips, and compare two reps.

Photos & video 5

  • Local Photo Upscaler

    Enlarge small photos, reduce noise, and improve soft details privately on your device.

  • Restore Old Photos

    Improve clarity, reduce yellow tint, and recover faded color in old photos on your device.

  • Background Remover

    Remove backgrounds on device, refine cutouts, and export transparent PNGs.

  • Blur Photo & Face Censor

    Blur or cover faces and other private details before you share a photo.

  • Hair Color Changer

    Preview hair colors on photos and video with on-device processing.

Everyday tools 6

  • ClearSpeed GPS

    A focused GPS speedometer with smoothing and battery-saving controls.

  • LocalNote

    Record private voice notes and turn them into clean summaries on device.

  • Bible AI

    Read scripture and ask questions alongside the text.

  • WildFind

    Build and play scavenger hunts with family and friends.

  • FODMAP Living

    Practical low-FODMAP meal guidance when you need a quick answer.

  • PrismBinder

    Scan supported trading cards on device, confirm each match, and keep a local collection.

Also on the web

Need help with an app?

Email me at help@davidb.app. Tell me which app, your device, and what happened, and I’ll get back to you.

Email help@davidb.app