Jack Wallner

Independent iOS developer in Vancouver, Washington. The full portfolio is at jackwallner.com; every app is listed below.

Health & body

Total Calories - Daily Tracker: Private calorie and step tracking from HealthKit, with TDEE burn on Watch and widgets.
Desk Reset: Posture Practice: A three-minute guided posture practice with live AirPods cues and optional all-day monitoring.
Migraine Headache Tracker Log: One-tap headache logging that pairs each entry with health and barometric weather context.
Fitness Habit Tracker: Auto: Automatic fitness streak discovery from Apple Health.
Simple GLP: GLP-1 Dose Tracker: One-tap GLP-1 dose logging for weekly shots and daily pills, with schedules and optional Health context.
VO2 Max & Cardio Fitness: A focused view of Apple Health cardio fitness estimates, fitness age, trends, and targets.
Trip Comfort: Motion Sickness: Four drug-free comfort routines for journeys, with breathing guidance and paced wrist pulses.
Protein Tracker - Grams Today: One number on your wrist: the grams of protein you have tracked today. No calorie counting, no AI food scanning.
Caffeine Tracker: Bedtime: Preview what another coffee may leave at bedtime before you log it, on iPhone and Apple Watch.
Daylight: Minutes Outside: Daylight time from Apple Health against a computed sunset, so you know the latest you can head out and still hit your target.

Sober: Sobriety Day Counter: Day counter with a virtual garden that grows as sober days add up.
Quit Zyn: Pouch & Snus Tracker: Nicotine-free day counter, check-ins, and a garden that grows with every day off pouches.
Shoes On: Time Blindness Coach: A leave-on-time routine coach with learned step timing, one-day schedule changes, and a next-start widget.

Bridge Trainer: Learn & Bid: Five-minute contract bridge practice for card basics, bidding, declarer play, and defense.
Cribbage Trainer: Count & Peg: Five-minute cribbage drills for counting, discarding, pegging, and table judgment.
Sheepshead Trainer: Trump Play: Five-minute sheepshead drills for trump, picking, partner play, and bury decisions.
Skat Trainer: Learn Skat: Short Skat practice for cards, bidding, discarding, and trick decisions.
Mahj Trainer: Mahjong Practice: Short practice rooms for American Mah Jongg tiles, card reading, Charleston, and table judgment.

Baseball Savvy StatScout: Mobile-first Statcast player cards and leaderboards, refreshed nightly by a scraper pipeline.
Sports Cheat Sheet: Daily News: Plain-English sports catch-up so casual fans can follow along in five minutes a day.
Football Next: StatScout: Every NFL player ranked by percentile, with advanced stats in plain visual form.
Hockey Edge: Puck StatScout: Every NHL skater and goalie ranked by expected goals, with the xG race behind every game.
Basketball: Hardwood StatScout: Every NBA player ranked on advanced percentiles: usage, true shooting, shot zones, playmaking and on-court impact.
IM Tri Tracker: Published full and half-distance triathlon results ranked by split, with race notes and an optional Race Book export.

Little Gestures: Couples Care: Love-language reminders, shared milestones, and a daily check-in for couples.
Elderhub: Family Care Log: One shared medication and medical record for the parent or partner your family looks after.
Baby Docs: Newborn Paperwork: A newborn paperwork concierge: which tasks apply to your household, when each window closes, and where to go.
Baby Tracker: Feeds & Diapers: One tap to log a feed, a diaper, or sleep from iPhone, Apple Watch, or the lock screen, with the first-week diaper count up front.
Next Cue: ADHD Routine Planner: Daily routines shown one step at a time, with a saved place to pick up again after an interruption.

DreamCart: Dopamine Shopping: A virtual fashion shopping game with daily coins, cart checkout, and a dream closet.
Electrician Exam Practice 2026: 2023 NEC drills and calculators for the journeyman and master electrician exams, with generated practice rather than a fixed question bank.
DUPR IQ - Pickleball Drills: Shot-selection drills for pickleball: a generator builds the situations, so the practice does not run out.

Recharge: Workout Recovery Time: A training-load recovery countdown after every Apple Watch workout.
Sunset Forecast & Alerts: A score for tonight's sunset and an alert before the good ones.