# VitaL vs StackFlow

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.

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.

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.

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.

## The numbers

| Metric | VitaL | StackFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/vital-supplement-tracker/id6760047280/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/stackflow-supplement-planner/id6761324946/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 6 MB | 5 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tao Zhang](https://appshunter.io/developer/320590307) | [航东 郭](https://appshunter.io/developer/1874353215) |

## What reviewers say

### VitaL

[App page](https://appshunter.io/ios/app/vital-supplement-tracker/id6760047280)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Annual | $34.99 | per year |
| Pro Lifetime | $119.99 | one-time |


### StackFlow

[App page](https://appshunter.io/ios/app/stackflow-supplement-planner/id6761324946)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StackFlow Pro Monthly | $4.99 | per month |
| StackFlow Pro Annual | $29.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*