# Sacred Duo vs Defterix

The clearest difference is iOS requirement: Defterix at 15.1 against Sacred Duo's 17.0. 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 | Sacred Duo | Defterix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 5 MB | 34 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sacred Pathway LLC](https://appshunter.io/developer/1893663069) | [Knippix](https://appshunter.io/developer/6797878384) |

## What reviewers say

### Sacred Duo

[App page](https://appshunter.io/ios/app/sacred-duo/id6769161435)

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

**In-app purchases:** none


### Defterix

[App page](https://appshunter.io/ios/app/defterix/id6797878382)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sacred Duo free?

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

### Is Defterix free?

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

### Do Sacred Duo or Defterix have ads?

Neither Sacred Duo nor Defterix 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.*