# Glow vs StackFlow

The clearest difference is in-app purchases: Glow at none against StackFlow's 2. StackFlow's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. StackFlow sells 2 in-app purchases, starting at $4.99 per month. Glow asks for nothing beyond the download.

Glow ships an update every 3 months, StackFlow every 2 weeks. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Glow | 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 5 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Aoruiwei Health Technology Co., Ltd](https://appshunter.io/developer/1855105105) | [航东 郭](https://appshunter.io/developer/1874353215) |

## What reviewers say

### Glow

[App page](https://appshunter.io/ios/app/glow-medication-reminder/id6756715506)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Glow free?

Glow is free to download, with no in-app purchases.

### Is StackFlow free?

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

### Do Glow or StackFlow have ads?

Neither Glow nor StackFlow shows ads.

### Which is updated more often, Glow or StackFlow?

Glow ships an update every 3 months, and StackFlow every 2 weeks. Most recently, Glow was updated on October 25, 2026 and StackFlow on October 19, 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.*