# Shift & Stack vs Zendoku

The clearest difference is iOS requirement: Shift & Stack at 12.0 against Zendoku's 15.1. 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.

## The numbers

| Metric | Shift & Stack | Zendoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Size | 54 MB | 37 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [eitezaz ahmad](https://appshunter.io/developer/1027303006) | [ANDERS SKORGAN BERGESTUEN](https://appshunter.io/developer/1873606509) |

## What reviewers say

### Shift & Stack

[App page](https://appshunter.io/ios/app/shift-and-stack/id6757802613)

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

**In-app purchases:** none


### Zendoku

[App page](https://appshunter.io/ios/app/zendoku-calm-sudoku/id6758558024)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shift & Stack free?

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

### Is Zendoku free?

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

### Do Shift & Stack or Zendoku have ads?

Neither Shift & Stack nor Zendoku shows ads.

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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.*