Comparison

Numbers Log & Trend Tracker vs StackFlow

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

Head to head
About

Numbers Log & Trend Tracker

Read full description

Numbers Log is a simple and secure tool designed to help you manually add records and track your personal health data. You can: • Record blood pressure readings • Record blood sugar levels • Calculate BMI based on height and weight • View trend charts All values ​​are manually entered by the user. For personal tracking and informational purposes only. Important Disclaimer: Numbers Log does not measure blood pressure or blood sugar. Numbers Log does not provide medical advice, diagnosis, or treatment. For any medical questions, please consult a qualified healthcare professional. https://raterecorder.com/privacy/ https://raterecorder.com/terms/

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

StackFlow4 screens

Verdict

The call

The clearest difference is in-app purchases: Numbers Log & Trend Tracker at none against StackFlow's 2. Numbers Log & Trend Tracker also leads on iOS requirement (15.0 vs 17.6). StackFlow's advantage is device support. On price 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. StackFlow sells 2 in-app purchases, starting at $4.99 per month. Numbers Log & Trend Tracker asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Numbers Log & Trend Tracker versus StackFlow: the parameters behind the verdict, then further details
ParameterNumbers Log & Trend TrackerStackFlow
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequency—Every 2 weeks
Ads—No
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Devices—iPhone, iPad — better
Requires iOS15.0 — better17.6
Further details — not scored
Size9 MB5 MB
Age rating4+4+
Developer晓军 闫航东 郭

In-app purchases

None

Numbers Log & Trend Tracker

No in-app purchases

2 purchases

StackFlow

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

Questions

Is Numbers Log & Trend Tracker free?
Numbers Log & Trend Tracker is free to download, with no in-app purchases.
Is StackFlow free?
StackFlow is free to download, with in-app purchases available.

Other comparisons