# I vs 変数電卓+

The clearest difference is ads: 変数電卓+ at none against I's shown. 変数電卓+ also leads on update cadence (daily vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

I ships an update every 6 months, 変数電卓+ daily. The most recent releases landed on November 12, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | I | 変数電卓+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Daily** |
| Size | 35 MB | 27 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Towa TAKEUCHI](https://appshunter.io/developer/1681125787) | [Takuya Nemoto](https://appshunter.io/developer/1817950976) |

## What reviewers say

### I

[App page](https://appshunter.io/ios/app/i-memo/id6502877993)

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

**In-app purchases:** none


### 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 I free?

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

### Is 変数電卓+ free?

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

### Do I or 変数電卓+ have ads?

I shows ads; 変数電卓+ does not.

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

I ships an update every 6 months, and 変数電卓+ daily. Most recently, I was updated on November 12, 2026 and 変数電卓+ on November 8, 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.*