# Custom Calculator Maker vs 計る！シンプル電卓

The clearest difference is update cadence: Custom Calculator Maker at every 3 days against 計る！シンプル電卓's weekly. 計る！シンプル電卓's advantage is iOS requirement (17.0 vs 26.0). On price, ads, 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.

Custom Calculator Maker ships an update every 3 days, 計る！シンプル電卓 weekly. The most recent releases landed on November 12, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Custom Calculator Maker | 計る！シンプル電卓 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Size | 5 MB | 3 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Koya Nambo](https://appshunter.io/developer/1633778504) | [Searial, Inc.](https://appshunter.io/developer/1875914396) |

## What reviewers say

### Custom Calculator Maker

[App page](https://appshunter.io/ios/app/custom-calculator-maker/id1633778502)

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

**In-app purchases:** none


### 計る！シンプル電卓

[App page](https://appshunter.io/ios/app/id6789937019)

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

**In-app purchases:** none


## Frequently asked questions

### Is Custom Calculator Maker free?

Custom Calculator Maker is free to download, with no in-app purchases.

### Is 計る！シンプル電卓 free?

計る！シンプル電卓 is free to download, with no in-app purchases.

### Do Custom Calculator Maker or 計る！シンプル電卓 have ads?

Both Custom Calculator Maker and 計る！シンプル電卓 show ads.

### Which is updated more often, Custom Calculator Maker or 計る！シンプル電卓?

Custom Calculator Maker ships an update every 3 days, and 計る！シンプル電卓 weekly. Most recently, Custom Calculator Maker was updated on November 12, 2026 and 計る！シンプル電卓 on October 31, 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.*