# DayByDay Tracker — Personal Progress & Insights

> Personal Progress & Insights (iPhone/iPad app by Christopher Kaczkowski.)

- Source: https://appshunter.io/ios/app/daybyday-tracker/id6759013559 (this page in markdown: same URL + `.md`)
- Developer: [Christopher Kaczkowski](https://appshunter.io/developer/1876387534)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases (on sale, was $5.99)
- Age rating: 12+
- Requires: iOS 16.0 · 88 MB
- Languages: American English
- Released: 2026-03-10
- Data updated: 2026-08-23
- User reviews in markdown: https://appshunter.io/ios/app/daybyday-tracker/id6759013559/reviews.md

## What is DayByDay Tracker?

The weight loss journey is lonely. The scale lies. And nobody hands you a map for life on a GLP-1.

DayByDay is the companion that finally gets it.

One calm, private place for everything that actually moves the needle — your food, your weight, your medication, your sleep, your body. Connect Apple Health and much of it fills in. And every morning, Dayo, your AI coach powered by Anthropic's Claude, reads your last 30 days and tells you, in plain words, what's working and what's not.

Losing, holding your goal, or coming back from a regain — there's no shame here. Just your data, and a path forward.

MEET DAYO, YOUR AI COACH
• Daily Coach Notes written from your real numbers, not generic tips
• Every claim backed by evidence you can tap
• Knows your medication, your dose, and where you are in the journey
• Names the stalls and plateaus, and shows you what's actually changing

FOOD LOGGING THAT DOESN'T FEEL LIKE A CHORE
• Snap a photo of your plate and let AI turn it into calories and macros
• Scan a barcode or search millions of foods, powered by FatSecret — even offline
• Save favorites and copy yesterday, so most days take just a few taps
• Calories, protein, carbs, fiber, and water at a glance
• Let Dayo connect what you eat to how you feel — insight, never judgment

BUILT FOR GLP-1
• A live medication level, and a countdown to your next shot
• Missed-dose guidance that follows your medication's FDA label
• Pen storage countdown so a $1,000 pen never gets tossed by mistake
• Injection-site rotation advisor
• Side-effect tracking with peak-day patterns for your provider
• Pharmacy and refill hub with prior-auth reminders
• Ozempic, Wegovy, Mounjaro, Zepbound, Saxenda, Rybelsus, and compounded
• Travel-aware dose timing, pause mode, and a medication switcher
• A doctor-ready visit summary PDF

YOUR BODY, DEEPER
• A weight trend that cuts through daily water-weight noise
• Body-fat percentage goal with projections
• DEXA scan tracking with lean-mass-loss alerts
• Waist, chest, and neck measurements, plus clothing sizes
• A private, encrypted progress-photo timeline

SLEEP, ENERGY, AND RECOVERY
• A personal Energy Schedule that predicts your highs and dips each day
• Sleep stages, a Sleep Score, and a Resilience Score
• Overnight blood oxygen, heart rate, and breathing rate
• Wellue / Viatom O2 Ring sync

STAY IN IT
• A Momentum Score that rewards showing up
• Milestone celebrations at 5%, 10%, or your goal
• Share cards for your wins, straight to Instagram or Stories
• Home Screen and Lock Screen widgets: weight, medication level, next-shot countdown

PRIVATE, ALWAYS
• Encrypted at rest, private by default
• One tap to delete everything
• No ads, ever, and your data is never sold
• Fully exportable, anytime

START WITH 14 DAYS FREE
• Try Plus free for 14 days — food logging and all — then keep going free or subscribe. Cancel anytime.
• Free: log your weight, doses, sleep, exercise, and labs — no time limit, no credit card
• Core ($4.99/mo or $49.99/yr): Dayo your AI coach, trends, projections, Apple Health sync, and exports
• Plus ($9.99/mo or $99.99/yr): everything in Core, plus food logging (barcode, photo-of-plate, FatSecret) and food-aware AI coaching

Coming from MyFitnessPal or Lose It!? You'll feel right at home — plus everything a food tracker can't see: your medication, your sleep, your body, all in one place.

Privacy Policy: https://mydaybyday.app/privacy
Terms and Conditions: https://mydaybyday.app/terms
Support: https://mydaybyday.app/support

—

IMPORTANT: DayByDay is a personal health tracking tool designed to help you record and visualize your health journey. It does not provide medical advice, diagnosis, or treatment. DayByDay is not a medical device and has not been evaluated or approved by the FDA or any regulatory authority. All calculations, estimates, and visualizations are for informational purposes only. Always consult your healthcare provider before making any decisions about medication or treatment.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Day By Day Core Monthly | $4.99 | per month |
| Day By Day Core Yearly | $49.99 | per year |
| Day By Day Plus | $9.99 | per month |
| Day By Day Plus Annual | $99.99 | per year |
| DayByDay Premium Yearly | $59.99 | per year |
| DayByDay Premium Monthly | $5.99 | per month |



## Version history (last 5 of 5)

### 3.03 — 2026-07-28

Bug fixes.
Quality of life enhancements.
New user on boarding improvements.

### 3.0.2 — 2026-07-16

Minor bug fix on food photo processing.

### 3.0 — 2026-07-10

Welcome to DayByDay 3.0 — the biggest version we've ever built.

We rebuilt DayByDay around one idea: your journey is so much more than a number on a scale. Here's what's new.

MEET DAYO, YOUR AI COACH
Every morning, Dayo reads your real data and writes you a short, honest note about what's working — the stalls, the wins, and what's quietly changing. No generic advice. Every insight is backed by evidence you can tap.

FOOD LOGGING THAT DOESN'T FEEL LIKE A CHORE
Snap a photo of your plate and let AI turn it into calories and macros in seconds, or search millions of foods from FatSecret's trusted database. Track protein, fiber, and water with a single tap — no tedious food diary, no shame.

A BRAND-NEW HOME
Five simple tabs: Today, Track, Nutrition, Insights, and You. Everything you log now lives one tap away, and you can show, hide, and reorder the cards on your Today screen to make it truly yours.

KNOW YOUR ENERGY
A whole new Energy Schedule predicts your morning peak and afternoon dip, tuned to your own sleep and rhythm — so you can plan your hardest work for when you'll actually have the fuel for it.

MOMENTUM THAT REWARDS SHOWING UP
Your new Momentum Score climbs as you stay consistent, with gentle reminders so a good streak never slips away by accident.

SHARE YOUR WINS
Turn your progress into a gorgeous share card — pick from confetti, a calm ocean, a beach day, or a mountain view — and post it to Instagram, Stories, or anywhere you like.

DEEPER GLP-1 CARE
A pharmacy and refill hub, an injection-site rotation advisor, richer side-effect tracking, and one clean sheet to log every dose. Plus a doctor-ready summary PDF for your next visit.

SLEEP AND RECOVERY, EXPLAINED
Tap your Sleep Score to see exactly how it's built, get a Resilience Score, and see your overnight oxygen, heart rate, and breathing — each with plain-English tips on what to improve first.

WIDGETS
Put your weight, medication level, and next-shot countdown right on your Home Screen and Lock Screen.

A WARMER, CALMER APP
Journey Mode, our sunset theme, got a head-to-toe polish, and the whole app now feels smoother, lighter on your battery, and more like a place you actually want to come back to.

...plus hundreds of small fixes and refinements, and insights that always stay honest to your real history.

Thank you for being here. One day at a time.

### 2.2 — 2026-05-19

v2.2 — The biggest update yet.
This release is for everyone walking the full road: losing weight, holding the line in maintenance, or coming back from a regain. 

Here's what's new:

MEET DAYO — YOUR AI COACH
Every morning, Dayo reads your last 30 days of weight, sleep, exercise, GLP-1 doses, blood glucose, and mood — and writes 1–3 plain-language insights about what's actually happening. Every claim is grounded in a real number. Tap "Show all evidence" and you'll see exactly which data shaped each insight. Nothing made up. Nothing generic.
• Daily affirmations that actually vary day-to-day
• Knows your medication, current dose, and schedule
• Surfaces titration stalls and lean-mass-loss warnings
• Pick what time of day your Coach Note arrives
• Per-source opt-out — exclude any data category from what's sent

HOME SCREEN + LOCK SCREEN WIDGETS
Five native widgets that put your journey one glance away:
• Today widget — current weight, trend, medicine level, next-shot countdown
• Water widget with one-tap quick-add (works offline)
• Lock screen streak inline
• Lock screen med-level ring
• Lock screen next-shot rectangular complication

PHARMACY & REFILL HUB
Because the hardest part of GLP-1 isn't the shot — it's the pharmacy.
• Refill cadence tracking with pickup history
• Prior-authorization renewal reminders (1–8 weeks ahead)
• Pen storage countdown so a $1,000 pen never gets thrown out
• Missed-dose protocol per FDA label — when to take, when to skip
• Optional pharmacy contact info, tap to call

MAINTENANCE & REGAIN MODES
Most weight-loss apps drop you off at "goal reached." DayByDay travels the whole road.
• New Maintenance Range card — drift from goal, in-range streaks, days at goal
• Maintenance milestones at 30, 90, 180, 365, and 730 days
• Gentle, shame-free regain detection with comeback guidance
• The app's tone and projections adjust to where you actually are

DEEPER BODY COMPOSITION
• DEXA scan integration — body fat %, lean mass, bone density, T-score, visceral fat
• Lean-mass loss warning flags >10% drops with protein and resistance-training guidance
• Body-fat % goal with projected estimates
• Progress photos timeline with weight + dose stamped on each (private, encrypted)

EXPANDED GLP-1 SUPPORT
• Compounded semaglutide & tirzepatide with concentration field
• Rybelsus (oral semaglutide) support with empty-stomach reminders
• Side-effect severity (0–10) with peak-day heatmap
• Travel-aware dose timing anchored to home timezone
• Pause / vacation mode
• Medication switcher with full event log
• Pre-dose checklist
• Dose-cycle patterns and loss-by-dose comparison

DAILY LOGGING UPGRADES
• Daily protein tracker with research-grounded targets
• Blood glucose with meal-time tags
• GI tracker with Bristol stool scale
• Mood / State of Mind entries

SLEEP SCORE + RESILIENCE SCORE
Powered by Open Wearables — the same scoring engine across every device you connect.

DOCTOR-READY PDF EXPORTS
A one-page visit summary with dose history, side effects, weight delta per dose level, and A1c trend.
Plus dozens of polish improvements, a refreshed onboarding flow, and a beautiful new Journey Mode dark theme with a time-of-day sunset gradient.

Thank you for being part of the journey.

### 1.0 — 2026-03-11

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*
