# Popzy vs Just Stack

The clearest difference is ads: Just Stack at none against Popzy's shown. On price, update cadence, 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.

Popzy ships an update every 2 days, Just Stack daily. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Popzy | Just Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | **Daily** |
| Size | 29 MB | 3 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nettbureau AS](https://appshunter.io/developer/646333928) | [Christophe Pereira](https://appshunter.io/developer/1686588142) |

## What reviewers say

### Popzy

[App page](https://appshunter.io/ios/app/popzy/id6760419599)

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

**In-app purchases:** none


### Just Stack

[App page](https://appshunter.io/ios/app/just-stack/id6761028897)

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

**In-app purchases:** none


## Frequently asked questions

### Is Popzy free?

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

### Is Just Stack free?

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

### Do Popzy or Just Stack have ads?

Popzy shows ads; Just Stack does not.

### Which is updated more often, Popzy or Just Stack?

Popzy ships an update every 2 days, and Just Stack daily. Most recently, Popzy was updated on October 6, 2026 and Just Stack on October 4, 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.*