# CompisCalculator Pro vs 変数電卓+

The clearest difference is in-app purchases: 変数電卓+ at none against CompisCalculator Pro's 1. 変数電卓+ also leads on update cadence (daily vs every 3 weeks) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. CompisCalculator Pro sells 1 one-off in-app purchase. 変数電卓+ asks for nothing beyond the download.

CompisCalculator Pro ships an update every 3 weeks, 変数電卓+ daily. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | CompisCalculator Pro | 変数電卓+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/compiscalculator-pro/id6451198443/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free | — |
| Size | 3 MB | 27 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Karl Noreland](https://appshunter.io/developer/1697120498) | [Takuya Nemoto](https://appshunter.io/developer/1817950976) |

## What reviewers say

### CompisCalculator Pro

[App page](https://appshunter.io/ios/app/compiscalculator-pro/id6451198443)

A scientific calculator designed to enhance productivity with features like real-time results, unit conversion, and custom buttons. It offers a date calculator, customizable appearance, and is optimized for iPad.

**Highlights:** Real-time calculation results, Integrated unit and currency converter, Customizable buttons and functions, Date and time difference calculator, Calculation history, Customizable appearance, iPad optimization

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CompisCalculator premium | $2.49 | one-time |


### 変数電卓+

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

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

**In-app purchases:** none


## Frequently asked questions

### Is CompisCalculator Pro free?

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

### Is 変数電卓+ free?

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

### Do CompisCalculator Pro or 変数電卓+ have ads?

Neither CompisCalculator Pro nor 変数電卓+ shows ads.

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

CompisCalculator Pro ships an update every 3 weeks, and 変数電卓+ daily. Most recently, CompisCalculator Pro was updated on October 15, 2026 and 変数電卓+ on October 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.*