# ScreenPenguin vs ZMK Editor

The clearest difference is in-app purchases: ScreenPenguin at none against ZMK Editor's 1. ScreenPenguin also leads on iOS requirement (15.0 vs 17.0). ZMK Editor's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. ZMK Editor sells 1 one-off in-app purchase. ScreenPenguin asks for nothing beyond the download.

ScreenPenguin ships an update every 3 days, ZMK Editor every 4 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ScreenPenguin | ZMK Editor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 36 MB | 31 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KAZUKI KUMAZAWA](https://appshunter.io/developer/1830239436) | [Shingo Matsuda](https://appshunter.io/developer/6775475954) |

## What reviewers say

### ScreenPenguin

[App page](https://appshunter.io/ios/app/screenpenguin-photo-organizer/id6758551748)

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

**In-app purchases:** none


### ZMK Editor

[App page](https://appshunter.io/ios/app/zmk-editor/id6775475952)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $9.99 | one-time |


## Frequently asked questions

### Is ScreenPenguin free?

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

### Is ZMK Editor free?

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

### Do ScreenPenguin or ZMK Editor have ads?

ScreenPenguin shows ads; ZMK Editor does not.

### Which is updated more often, ScreenPenguin or ZMK Editor?

ScreenPenguin ships an update every 3 days, and ZMK Editor every 4 days. Most recently, ScreenPenguin was updated on October 31, 2026 and ZMK Editor on November 5, 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.*