# Drafting Utility vs 関数電卓

The clearest difference is ads: 関数電卓 at none against Drafting Utility's shown. Drafting Utility's advantage is update cadence (daily vs monthly) and iOS requirement (16.6 vs 26.5). 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.

Drafting Utility ships an update daily, 関数電卓 monthly. The most recent releases landed on November 8, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Drafting Utility | 関数電卓 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Monthly |
| Size | 3 MB | 8 MB |
| Requires iOS | **16.6** | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masaharu Tsukamoto](https://appshunter.io/developer/939316877) | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) |

## What reviewers say

### Drafting Utility

[App page](https://appshunter.io/ios/app/drafting-utility-trianglecalc/id6738353118)

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

**In-app purchases:** none


### 関数電卓

[App page](https://appshunter.io/ios/app/scicalc/id6763034302)

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

**In-app purchases:** none


## Frequently asked questions

### Is Drafting Utility free?

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

### Is 関数電卓 free?

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

### Do Drafting Utility or 関数電卓 have ads?

Drafting Utility shows ads; 関数電卓 does not.

### Which is updated more often, Drafting Utility or 関数電卓?

Drafting Utility ships an update daily, and 関数電卓 monthly. Most recently, Drafting Utility was updated on November 8, 2026 and 関数電卓 on November 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.*