# 変数電卓+ vs Plana

The clearest difference is in-app purchases: 変数電卓+ at none against Plana's 2. 変数電卓+ also leads on update cadence (daily vs every 4 days) and iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Plana sells 2 in-app purchases, starting at $1.99 per month. 変数電卓+ asks for nothing beyond the download.

変数電卓+ ships an update daily, Plana every 4 days. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 変数電卓+ | Plana |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/plana-handwriting-planner/id6775790308/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Monetization | — | Freemium |
| Size | 27 MB | 10 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Takuya Nemoto](https://appshunter.io/developer/1817950976) | [Yoshinori Suzuki](https://appshunter.io/developer/6775790310) |

## 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


### Plana

[App page](https://appshunter.io/ios/app/plana-handwriting-planner/id6775790308)

Combine the flexibility of a paper planner with the convenience of a digital calendar. Write notes and plans with a stylus, integrate typed events, and access your schedule across multiple Apple devices. Features include handwriting recognition for reminders and powerful search capabilities.

**Highlights:** Handwritten notes and plans on Day, Week, Month, Year views, Handwriting recognition for reminders and notifications, Searchable handwriting across past pages, Integration with Apple Calendar and Reminders, Cross-device sync via iCloud, Widgets for Home Screen and Apple Watch complications

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Yearly Plan | $5.99 | per year |


## Frequently asked questions

### Is 変数電卓+ free?

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

### Is Plana free?

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

### Do 変数電卓+ or Plana have ads?

Neither 変数電卓+ nor Plana shows ads.

### Which is updated more often, 変数電卓+ or Plana?

変数電卓+ ships an update daily, and Plana every 4 days. Most recently, 変数電卓+ was updated on November 8, 2026 and Plana on November 10, 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.*