Comparison

StackDay vs Supps

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

StackDay

This app helps you consistently take your vitamins and supplements. Log doses, build streaks, and view your adherence over time. It offers smart reminders and pre-loaded supplement information to make tracking easy.

Highlights
  • Daily checklist for all supplements
  • 50+ pre-loaded supplements
  • Streak and adherence statistics
  • Customizable smart reminders
  • Local data storage for privacy
  • Home screen widget (Pro)
Features
Read full description

StackDay is the supplement and peptide tracker that finally makes you consistent — check off doses in one tap, watch your streak grow, and see which stacks actually work. NEW: PEPTIDES + PROTOCOLS A dedicated Peptides tab for BPC-157, TB-500, semaglutide, retatrutide, and every peptide in between. • Vial tracking with a 28-day reconstitution countdown • Titration schedules that auto-step your dose week by week for GLP-1s • Active-level curves (Pro) — see estimated compound levels between doses so you know when the next one is really due RECONSTITUTION CALCULATOR Enter your vial strength and BAC water; get exact U-100 syringe units instantly. Reverse mode lets you dial a target dose and see the water to add — no more scribbling on the back of a bottle. INJECTION SITE ROTATION A tappable body map covering all 8 subQ sites. Auto-suggests the most-rested spot every time you log a dose, so you never accidentally double up. DAILY CHECKLIST Your entire stack in one screen, split by morning, meal, afternoon, pre-workout, evening, and bedtime. Tap to check off each supplement. Satisfying haptics every time. 1,000+ SUPPLEMENT LIBRARY Vitamins, minerals, adaptogens, nootropics, mushrooms, and performance compounds — all pre-loaded with common dosages and units. Add your full stack in 30 seconds. Scan any label with your camera (Pro). STREAKS, QUESTS, AND BADGES • 24 illustrated achievement badges spanning streaks, logging milestones, peptides, and exploration • 3 weekly quests that rotate on a fresh cycle every week • Streak Freezes bank automatically at milestones and protect a missed day — because life happens INTERACTIVE WIDGETS • Medium Home Screen widget with tap-to-check-off buttons — mark doses without opening the app • Small widget and Lock Screen widgets for at-a-glance progress • Peptide widget showing your next dose and vial countdown • Mark doses taken right from notifications INTERACTION AWARENESS 16 built-in interaction checks (calcium and iron, coffee and ashwagandha, and more). Timing suggestions space competing supplements hours apart so absorption doesn't fight itself. PROGRESS THAT MEANS SOMETHING • 30-day adherence per supplement — see your true best performers • Monthly heatmap calendar • Wellness correlation (Pro) — spot which supplements actually move your mood, energy, sleep, and focus • Apple Health integration for sleep, steps, and workouts STACKDAY PRO • Unlimited history and full per-supplement stats • Active-level curves for peptides • Custom reminder times for every one of the 8 slots • Label scanner and AI Supplement Advisor • Wellness correlation insights and weekly recaps Free tier includes full daily tracking, 7-day history, slot reminders, and the reconstitution calculator. NOW IN 6 LANGUAGES English, German, Spanish, French, Portuguese, and Japanese — with more on the way. PRIVATE BY DESIGN Your data stays on your iPhone. No account required. Everything is stored locally. Built for anyone who spends money on supplements and peptides but never sees the payoff because they can't stay consistent. Every dose logged. Every streak counted. Every stack proven. Privacy Policy: https://foggy-labs.github.io/privacy/stackday Terms of Use: https://foggy-labs.github.io/terms Support: https://foggy-labs.github.io/support

About

Supps

Transform your daily vitamin intake into an engaging game. Track your progress, build streaks, and unlock achievements to stay motivated and consistent with your health goals. Integrates with Apple Health and offers convenient logging options.

Highlights
  • Daily supplement logging
  • Streak building and tracking
  • Achievement unlocking
  • Leveling up system
  • Apple Health integration
  • Apple Watch and widget logging
  • Unlimited supplement tracking (Pro)
Features
Read full description

Your daily supplement streak starts now. Watch your stack grow into a 3D garden as you unlock achievements. Don't break the chain. Taking supplements shouldn't feel like a chore. Supps turns your daily routine into a game you actually want to play. START SIMPLE Add your supplements and tap to log them each day. Weekday-only, weekend-only, every-other-day, or custom schedules, Supps handles them all. Multi-dose per day is a first-class citizen. YOUR OWN 3D GARDEN Every supplement you take becomes a plant on a 4x4 plot. Plants grow through five stages as you build streaks. Earn seeds to buy decorations from the Garden Shop. Unlock milestone rewards for hitting your first week, month, and year. All rendered in a beautiful 3D scene with a sky that matches the time of day. BLOOD TEST ANALYSIS Import a PDF from your lab and Supps scans it for common deficiencies, suggesting supplements or lifestyle tweaks. Fully on-device. No data leaves your phone. Covers 13 markers including Vitamin D, B12, Iron, Ferritin, Magnesium, LDL, HDL, and Glucose. History syncs across your devices. STAY MOTIVATED Your streak is your scoreboard. Earn shields that protect it if life gets in the way. Unlock achievements as you build the habit. Level up as your total XP grows. EVERYWHERE YOU LOOK Log doses straight from your Apple Watch, Lock Screen widget, Home Screen widget, or Dynamic Island. Take a dose from a notification banner without unlocking your phone. SYNCS EVERYWHERE Your supplements, logs, achievements, and garden decorations sync across your iPhone, iPad, and Apple Watch through iCloud. Reinstall on a new device and everything comes back. APPLE HEALTH Supps writes your intake to HealthKit alongside the rest of your health data. Only requests permissions for the specific vitamins you take. SUPPS PRO Free users can track up to two supplements. Unlock unlimited supplements, groups, and every feature with Supps Pro. Monthly or yearly. PRIVACY Supps stores your data locally and syncs privately through your iCloud account. We collect nothing about you. TERMS OF USE https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

StackDay4 screens
Supps4 screens

Verdict

The call

The clearest difference is ads: Supps at none against StackDay's shown. Supps also leads on device support (3 vs 1). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. StackDay sells 8 in-app purchases, starting at $0.99 per 7 days and Supps sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

StackDay ships an update every 3 days, Supps every 4 days. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 8 level
StackDay versus Supps: the parameters behind the verdict, then further details
ParameterStackDaySupps
PriceFreeFree
Rating5.0 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 days — betterEvery 4 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhoneiPhone, iPad, Apple Watch — better
Requires iOS17.0 — better18.0
Further details — not scored
Size20 MB5 MB
Age rating12+4+
DeveloperFog Hill, LLCConstantinos Psaras

In-app purchases

8 purchases

StackDay

Subscriptions8
  • Pro Weekly Discount3 Days trial$0.997 Days
  • Pro Weekly3 Days trial$1.997 Days
  • Pro Monthly Discount$3.991 Month
Show 5 more
  • StackDay Pro Monthly$4.991 Month
  • StackDay Pro Monthly Subscription3 Days trial$4.991 Month
  • Pro Annual Discount$19.991 Year
  • StackDay Pro Annual Subscription3 Days trial$24.991 Year
  • StackDay Pro Annual7 Days trial$49.991 Year
2 purchases

Supps

Subscriptions2
  • Supps Pro Monthly7 Days trial$3.991 Month
  • Supps Pro Yearly$19.991 Year

Questions

Is StackDay free?
StackDay is free to download, with in-app purchases available.
Is Supps free?
Supps is free to download, with in-app purchases available.
Do StackDay or Supps have ads?
StackDay shows ads; Supps does not.
Which is updated more often, StackDay or Supps?
StackDay ships an update every 3 days, and Supps every 4 days. Most recently, StackDay was updated on October 13, 2026 and Supps on October 5, 2026.

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