# Poly_Chat vs FlowStack

The clearest difference is update cadence: Poly_Chat at every 9 days against FlowStack's every 5 months. Poly_Chat also leads on iOS requirement (16.2 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Poly_Chat ships an update every 9 days, FlowStack every 5 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Poly_Chat | FlowStack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 5 months |
| Size | 31 MB | 1 MB |
| Requires iOS | **16.2** | 26.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 17+ |
| Developer | [George Hunn](https://appshunter.io/developer/1739141778) | [David Castellano](https://appshunter.io/developer/1892146693) |

## What reviewers say

### Poly_Chat

[App page](https://appshunter.io/ios/app/poly-chat/id6761107189)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### FlowStack

[App page](https://appshunter.io/ios/app/flowstack-ai/id6761936853)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Poly_Chat free?

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

### Is FlowStack free?

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

### Do Poly_Chat or FlowStack have ads?

Neither Poly_Chat nor FlowStack shows ads.

### Which is updated more often, Poly_Chat or FlowStack?

Poly_Chat ships an update every 9 days, and FlowStack every 5 months. Most recently, Poly_Chat was updated on October 25, 2026 and FlowStack on October 25, 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.*