Comparison

VitaL vs StackFlow

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

Head to head
About

VitaL

Easily log daily supplements, organize your vitamin stack, and receive timely reminders to ensure you never miss a dose. This app helps you track inventory, forecast refills, and review your consistency over time with clear insights.

Highlights
  • Instant supplement logging
  • Organize supplement stack
  • Custom dose reminders
  • Forecast refill needs
  • Review consistency history
  • Home Screen widgets
  • iCloud data sync
Features
Read full description

VitaL is a calm supplement tracker built to make your daily routine easier to follow. Log today’s supplements in seconds, keep your stack organized, and get a clearer view of how your routine is holding up over time. VitaL helps you stay aware of what you’ve taken, what still needs attention today, and what may need a refill soon. With VitaL, you can: * Log instantly: Check off today’s doses quickly from a simple, calm Today view. * Organize your stack: Keep all your vitamins and supplements clearly listed in one place. * Never miss a dose: Set custom reminders for your scheduled routines. * Forecast refills: Track inventory and get alerted before your supply runs low. * Spot patterns: Review your history and understand your consistency over time. * Access quickly: Use Home Screen widgets for a fast look at your daily schedule. * Sync seamlessly: Back up and sync your data privately across devices with iCloud. VitaL Pro unlocks even more: * Track an unlimited number of supplements * Access deeper analytics and routine insights * Generate comprehensive Consistency Reports * Export your report to PDF ** Medical disclaimer ** VitaL is a consumer tracking tool for personal supplement routines. It does not provide medical advice, diagnosis, treatment, or supplement recommendations. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ztpala.com/apps/VitaL/privacy-policy/

About

StackFlow

This app helps you manage complex supplement routines by scanning labels, providing AI-driven timing suggestions based on ingredient interactions, and tracking your body's response. It visualizes synergy and spacing for optimal intake.

Highlights
  • AI-powered supplement timing
  • Supplement label scanning
  • Ingredient-level intelligence
  • Synergy and spacing visualization
  • Daily routine tracking
  • Body response logging
  • Daily insights feed
Features
Read full description

Taking multiple supplements every day? The hard part is not remembering them — it is knowing what goes together, what needs spacing, and when each one works best. StackFlow turns supplement chaos into a clear, executable daily system. BUILT ON 200K+ REAL SUPPLEMENT PRODUCTS Search or scan real products with real ingredients, real serving sizes, and real label facts — not a generic vitamin list. INGREDIENT-LEVEL INTELLIGENCE StackFlow maps each product to its actual ingredients, so you understand what you are really taking — not just the brand name on the bottle. SCAN A LABEL, ADD IN SECONDS Point your camera at any supplement label. StackFlow reads the product, maps the ingredients, and places it into your routine. AI TIMING PLANS THAT EXPLAIN WHY Get timing suggestions based on ingredient interactions, absorption rules, and your current stack. Every recommendation shows the reasoning behind it. SYNERGY AND SPACING, MADE VISIBLE See which supplements work better together, which ones need to be spaced apart, and why your routine is organized the way it is. YOUR DAILY COMMAND CENTER Open StackFlow each morning. See exactly what to take now, check off each time slot, and keep your routine moving without guesswork. TRACK HOW YOUR BODY RESPONDS Log energy, sleep, digestion, and other signals. Over time, connect your routine to what you actually notice. DAILY INSIGHTS FEED (PRO) Receive a curated daily digest based on your stack, check-ins, and patterns — not a generic health tip, but intelligence about your specific routine. StackFlow is built for people who take supplement routines seriously. It is not medical advice, diagnosis, or treatment. Privacy Policy: https://www.stackflow.life/privacy.html Terms of Use (EULA): https://www.stackflow.life/terms.html

Screenshots

VitaL4 screens
StackFlow4 screens

Verdict

The call

The clearest difference is update cadence: StackFlow at every 2 weeks against VitaL's every 3 weeks. On price, rating, ratings volume and ads 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. VitaL sells 2 in-app purchases, starting at $34.99 per year and StackFlow sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for VitaL against 5.0 for StackFlow. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

VitaL ships an update every 3 weeks, StackFlow every 2 weeks. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

Scorecard1 real difference · 9 level
VitaL versus StackFlow: the parameters behind the verdict, then further details
ParameterVitaLStackFlow
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.617.6 — better
Further details — not scored
Size6 MB5 MB
Age rating4+4+
DeveloperTao Zhang航东 郭

Customer experience

VitaL

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

StackFlow

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

VitaL

Subscriptions1
  • Pro Annual7 Days trial$34.991 Year
One-time1
  • Pro Lifetime$119.99
2 purchases

StackFlow

Subscriptions2
  • StackFlow Pro Monthly1 Month trial$4.991 Month
  • StackFlow Pro Annual$29.991 Year

Questions

Is VitaL free?
VitaL is free to download, with in-app purchases available.
Is StackFlow free?
StackFlow is free to download, with in-app purchases available.
Which has better reviews, VitaL or StackFlow?
VitaL and StackFlow are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do VitaL or StackFlow have ads?
Neither VitaL nor StackFlow shows ads.
Which is updated more often, VitaL or StackFlow?
VitaL ships an update every 3 weeks, and StackFlow every 2 weeks. Most recently, VitaL was updated on October 8, 2026 and StackFlow on October 2, 2026.

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