# 変数電卓+ vs Markdown Editor & Reader

The clearest difference is in-app purchases: 変数電卓+ at none against Markdown Editor & Reader's 1. 変数電卓+ also leads on update cadence (daily vs weekly) and iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Markdown Editor & Reader sells 1 one-off in-app purchase. 変数電卓+ asks for nothing beyond the download.

変数電卓+ ships an update daily, Markdown Editor & Reader weekly. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 変数電卓+ | Markdown Editor & Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Size | 27 MB | 18 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Takuya Nemoto](https://appshunter.io/developer/1817950976) | [Dang Nam Nguyen](https://appshunter.io/developer/1779685594) |

## What reviewers say

### 変数電卓+

[App page](https://appshunter.io/ios/app/plus/id6746694817)

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

**In-app purchases:** none


### Markdown Editor & Reader

[App page](https://appshunter.io/ios/app/markdown-editor-and-reader/id6768164089)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MD Preview Pro (Lifetime) | $3.99 | one-time |


## Frequently asked questions

### Is 変数電卓+ free?

変数電卓+ is free to download, with no in-app purchases.

### Is Markdown Editor & Reader free?

Markdown Editor & Reader is free to download, with in-app purchases available.

### Do 変数電卓+ or Markdown Editor & Reader have ads?

Neither 変数電卓+ nor Markdown Editor & Reader shows ads.

### Which is updated more often, 変数電卓+ or Markdown Editor & Reader?

変数電卓+ ships an update daily, and Markdown Editor & Reader weekly. Most recently, 変数電卓+ was updated on October 5, 2026 and Markdown Editor & Reader on October 6, 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.*