# 成金電卓 vs ReadableCalc

The clearest difference is in-app purchases: ReadableCalc at none against 成金電卓's 1. ReadableCalc also leads on update cadence (weekly vs every 7 months). 成金電卓's advantage is iOS requirement (6.1 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. 成金電卓 sells 1 one-off in-app purchase. ReadableCalc asks for nothing beyond the download.

成金電卓 ships an update every 7 months, ReadableCalc weekly. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 成金電卓 | ReadableCalc |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Size | 24 MB | 28 MB |
| Requires iOS | **6.1** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e-skett Corp.](https://appshunter.io/developer/591591895) | [YONAGARE LAB](https://appshunter.io/developer/1810986554) |

## What reviewers say

### 成金電卓

[App page](https://appshunter.io/ios/app/id614242437)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示オプション | $0.99 | one-time |


### ReadableCalc

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 成金電卓 free?

成金電卓 is free to download, with in-app purchases available.

### Is ReadableCalc free?

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

### Do 成金電卓 or ReadableCalc have ads?

Neither 成金電卓 nor ReadableCalc shows ads.

### Which is updated more often, 成金電卓 or ReadableCalc?

成金電卓 ships an update every 7 months, and ReadableCalc weekly. Most recently, 成金電卓 was updated on October 5, 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.*