I advise founders and teams on mobile. The apps and services below are side projects I build for fun. The full gallery lives at bigballi.com/apps.

• FancyQR AI-styled QR codes with dynamic tracking. Repoint them whenever you want and see who actually scanned.
• Cozy Critter A sleep-trainer clock that teaches a toddler when to stay in bed and when it's finally okay to come find you.
• GoPro Remote Frame, adjust, and record from your iPhone over Bluetooth. No WiFi, no account, no climbing back to the camera.
• My Book List Scan and catalog your books so you stop buying duplicates and always know who borrowed what.
• PestPro Run a pest control business from the truck. Techs, inspections, and chemical logs in one place.
• Pic Roulette One tap pulls a forgotten photo from your library and turns it into a small creative prompt.
• Silver Marks Photograph a hallmark and confirm maker, origin, and era before any money changes hands.
• Snack Check Scan a snack barcode and know instantly whether it's safe for your kid. Flags dyes, allergens, and sugar.
• Social Audit AI combs your old posts before a recruiter does and flags what could quietly cost you the job.
• Turndown Housekeeping status at a glance. See which rooms are clean, dirty, or inspected without walking the floor.
• USTA Co-Captain An AI co-captain that handles availability, lineups, and match strategy so you can focus on playing.
• Ataraxia A morning passage from Marcus, Seneca, or Epictetus, and Seneca's review to close the day.
• Attune A private daily read on her cycle, phase, and mood, built for partners who want to show up better.
• BLE Scanner Connect to Bluetooth devices, inspect GATT services, probe security, and export your findings.
• BendMarks Four offline NEC calculators. Conduit bends, voltage drop, conduit fill, and box fill, each with the formula and a labeled diagram.
• Bloom Pelvic-floor training built for women, with short sessions and programs for postpartum and menopause.
• Contact Exporter Pull your iPhone contacts into one clean file. Fast, private, no cloud middleman.
• Crittora Species-specific care for reptiles, fish, and exotics. Track environment, feeding, and health.
• Gentle Timer A visual countdown that lets a toddler see time running out, so the wait ends without a meltdown.
• GridNav Paste an MGRS coordinate and get distance and bearing in under a second. Fully offline, built for land nav, SAR, and wildland fire.
• HamPrep The ham radio Technician question pool turned into adaptive drills and full exam simulations, with plain-English answers.
• Kodama Photograph a bonsai and AI names the species, spots health issues, and builds a care schedule for your climate.
• Midnight A Safari extension that forces dark mode on every site, across iOS and macOS.
• Outlast Offline emergency guidance you can ask in plain words, with a personalized family plan. Nothing leaves your phone.
• Page Speed Analyzer Mobile Core Web Vitals and AI fixes from your phone, before the next deploy.
• Pigments Browse 400+ pigments, match colors from your camera, build palettes, and ask an AI pigment expert.
• PitchLab A tuner, metronome, and practice journal in one screen that logs every minute automatically.
• Rally Pickleball scorekeeping on your Apple Watch. Server rotation, side changes, and a spoken score, hands-free.
• Ray Routine When to tan, how long to stay, when to flip and reapply, and how to angle your chair to the sun.
• Reintro Run low-FODMAP reintroduction the right way. Scheduled challenges, fast symptom logging, a personal tolerance map.
• RoxSplit A Hyrox timer that knows the sequence. Splits for every run, station, and roxzone, with live pacing against your goal.
• StackLab Run real A/B tests on your own body and keep only the supplements that move the needle.
• SteadyGaze Gaze-stabilization reps coached by sound through your AirPods, so your eyes stay on the wall and the phone stays in your pocket.
• Tapestry Record a parent or grandparent and Tapestry turns their voice into a first-person memoir the whole family can add to.
• Tongue Analyzer AI tongue analysis grounded in Traditional Chinese Medicine, with wellness insights in seconds.

• App Store Localization AI-translated metadata and regional pricing pushed straight to App Store Connect, across 45+ markets.
• BioLinx A link-in-bio page with analytics, payments, and SEO built in.
• FFmpeg Playground Tune brightness, contrast, grain, and more in the browser and preview before you render.
• Horology Database 39,000+ watches in one reference, with detailed specs and high-res imagery.
• MyZoom One clean vanity URL that drops people onto a polished landing page before your meeting.
• Smart Departure Real-time traffic tells you the exact minute to leave to arrive on time.
• Tennis Ladder Run a ladder with friends. Issue challenges and watch the rankings move each week.
• WhatsApp Quick Send Drop in a number and jump straight into the chat. No saved contact.

Want a second opinion on your mobile product? Book a free 20 minutes. I'm also on LinkedIn.