StackFlow vs Supplement Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- AI-powered supplement timing
- Supplement label scanning
- Ingredient-level intelligence
- Synergy and spacing visualization
- Daily routine tracking
- Body response logging
- Daily insights feed
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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
Supplement Tracker
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Stack turns your supplement routine into a living shelf you can read at a glance. Add what you take and set when you take it. Each item sits on your shelf as its own bottle. It glows when a dose is due, dims when you've taken it, and empties through the day, refilling each morning. One look tells you what's left and what's done. No checklists to read. PRIVATE BY DESIGN Your routine syncs privately through your own iCloud — never our servers — so it follows you to a new device. No account, no sign-up, no ads, and nothing is ever sold or shared. Your routine is yours. NEVER MISS A DOSE Reliable reminders for every dose time, gentle nudges if one slips, and a Home-screen widget showing your next dose at a glance. EVERYTHING IN ONE PLACE - A living shelf that shows your whole routine at a glance - Add anything you take, with your own names, forms and notes - Flexible schedules: multiple times a day, specific times, or days of the week - One-tap check-off and a countdown to your next dose - Adherence stats and streaks to keep you consistent - A full intake history - Pause anytime, or mark something finished Stack is a reminder and logging tool, not medical advice. Set it up in under a minute and let it keep your routine on track. Stack Pro unlocks every feature. Subscription options: • Stack Pro Yearly: $24.99/year, with a 7-day free trial • Stack Pro Monthly: $6.99/month A one-time Stack Pro Lifetime purchase ($29.99) is also available. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://moonshot.ie/stack/privacy/
Screenshots
Verdict
StackFlow and Supplement Tracker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. StackFlow sells 2 in-app purchases, starting at $4.99 per month and Supplement Tracker sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.
StackFlow ships an update every 2 weeks, Supplement Tracker fortnightly. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.
| Parameter | StackFlow | Supplement Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | 航东 郭 | Moonshot Media Limited |
In-app purchases
StackFlow
- StackFlow Pro Monthly1 Month trial$4.991 Month
- StackFlow Pro Annual$29.991 Year
Supplement Tracker
- Stack Pro Monthly$6.991 Month
- Stack Pro Yearly7 Days trial$24.991 Year
- Stack Lifetime$29.99








