# ZZZ MDEditor vs KuCalc3

The clearest difference is in-app purchases: KuCalc3 at none against ZZZ MDEditor's 1. KuCalc3 also leads on ads (none vs shown) and update cadence (daily vs every 3 weeks). ZZZ MDEditor's advantage is iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. ZZZ MDEditor sells 1 in-app purchase, starting at $0.99 per month. KuCalc3 asks for nothing beyond the download.

ZZZ MDEditor ships an update every 3 weeks, KuCalc3 daily. Both last shipped on October 31, 2026.

## The numbers

| Metric | ZZZ MDEditor | KuCalc3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 36 MB | 19 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [SMOLT STAGE, K.K.](https://appshunter.io/developer/1708601451) | [Mineaki Sakatoku](https://appshunter.io/developer/1674976728) |

## What reviewers say

### ZZZ MDEditor

[App page](https://appshunter.io/ios/app/zzz-mdeditor/id6794988899)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZZZ MDEditor Premium | $0.99 | per month |


### KuCalc3

[App page](https://appshunter.io/ios/app/kucalc3/id6805388550)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZZZ MDEditor free?

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

### Is KuCalc3 free?

KuCalc3 is free to download, with no in-app purchases.

### Do ZZZ MDEditor or KuCalc3 have ads?

ZZZ MDEditor shows ads; KuCalc3 does not.

### Which is updated more often, ZZZ MDEditor or KuCalc3?

ZZZ MDEditor ships an update every 3 weeks, and KuCalc3 daily. Most recently, ZZZ MDEditor was updated on October 31, 2026 and KuCalc3 on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*