# 電卓　水色 vs ReadableCalc

The clearest difference is ads: ReadableCalc at none against 電卓　水色's shown. ReadableCalc also leads on update cadence (weekly vs every 46 months) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

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

電卓　水色 ships an update every 46 months, ReadableCalc weekly. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 電卓　水色 | ReadableCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 46 months | **Weekly** |
| Size | 19 MB | 28 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kota tada](https://appshunter.io/developer/1658942612) | [YONAGARE LAB](https://appshunter.io/developer/1810986554) |

## What reviewers say

### 電卓　水色

[App page](https://appshunter.io/ios/app/id1658942610)

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

**In-app purchases:** none


### ReadableCalc

[App page](https://appshunter.io/ios/app/readablecalc/id6747457253)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 電卓　水色 free?

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

### Is ReadableCalc free?

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

### Do 電卓　水色 or ReadableCalc have ads?

電卓　水色 shows ads; ReadableCalc does not.

### Which is updated more often, 電卓　水色 or ReadableCalc?

電卓　水色 ships an update every 46 months, and ReadableCalc weekly. Most recently, 電卓　水色 was updated on October 12, 2026 and ReadableCalc on October 7, 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.*