# Zenzinzon vs Iron Sharpens

The clearest difference is in-app purchases: Iron Sharpens at none against Zenzinzon's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Zenzinzon sells 1 one-off in-app purchase. Iron Sharpens asks for nothing beyond the download.

## The numbers

| Metric | Zenzinzon | Iron Sharpens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 122 MB | 31 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marraud Lionel](https://appshunter.io/developer/1458635055) | [Rollin Seymour](https://appshunter.io/developer/1881873848) |

## What reviewers say

### Zenzinzon

[App page](https://appshunter.io/ios/app/zenzinzon/id6469061241)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zenzinzon | $1.99 | one-time |


### Iron Sharpens

[App page](https://appshunter.io/ios/app/iron-sharpens/id6769100888)

**In-app purchases:** none


## Frequently asked questions

### Is Zenzinzon free?

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

### Is Iron Sharpens free?

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

### Do Zenzinzon or Iron Sharpens have ads?

Neither Zenzinzon nor Iron Sharpens 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.*