# Supp Stack vs StackFlow

The clearest difference is ads: StackFlow at none against Supp Stack's shown. StackFlow also leads on update cadence (every 2 weeks vs every 3 weeks). Supp Stack's advantage is iOS requirement (13.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Supp Stack sells 2 in-app purchases, starting at $4.99 per month 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.

Supp Stack ships an update every 3 weeks, StackFlow every 2 weeks. The most recent releases landed on September 13, 2026 and July 11, 2026 respectively.

## The numbers

| Metric | Supp Stack | StackFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stackflow-supplement-planner/id6761324946/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 78 MB | 5 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kota tada](https://appshunter.io/developer/1658942612) | [航东 郭](https://appshunter.io/developer/1874353215) |

## What reviewers say

### Supp Stack

[App page](https://appshunter.io/ios/app/supp-stack-supplements/id6759486455)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (1 month) | $4.99 | per month |
| Premium (1 year) | $49.99 | per year |


### 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 Supp Stack free?

Supp Stack is free to download, with in-app purchases available.

### Is StackFlow free?

StackFlow is free to download, with in-app purchases available.

### Do Supp Stack or StackFlow have ads?

Supp Stack shows ads; StackFlow does not.

### Which is updated more often, Supp Stack or StackFlow?

Supp Stack ships an update every 3 weeks, and StackFlow every 2 weeks. Most recently, Supp Stack was updated on September 13, 2026 and StackFlow on July 11, 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.*