# W電卓 vs Twin Calc

The clearest difference is in-app purchases: W電卓 at none against Twin Calc's 1. W電卓 also leads on device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Twin Calc sells 1 one-off in-app purchase. W電卓 asks for nothing beyond the download.

## The numbers

| Metric | W電卓 | Twin Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 30 MB | 45 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [jun murase](https://appshunter.io/developer/1867130231) | [Hiroki Sugiyama](https://appshunter.io/developer/6778858327) |

## What reviewers say

### W電卓

[App page](https://appshunter.io/ios/app/w/id6757463381)

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

**In-app purchases:** none


### Twin Calc

[App page](https://appshunter.io/ios/app/twin-calc-two-calculators/id6807615879)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO | $3.99 | one-time |


## Frequently asked questions

### Is W電卓 free?

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

### Is Twin Calc free?

Twin Calc is free to download, with in-app purchases available.

### Do W電卓 or Twin Calc have ads?

Neither W電卓 nor Twin Calc shows ads.

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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.*