# 内税外税源泉計算 vs ZeiCal

The clearest difference is ads: ZeiCal at none against 内税外税源泉計算's shown. ZeiCal also leads on update cadence (weekly vs every 2 months). 内税外税源泉計算's advantage is iOS requirement (13.0 vs 15.1). 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.

内税外税源泉計算 ships an update every 2 months, ZeiCal weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 内税外税源泉計算 | ZeiCal |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Size | 64 MB | 39 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kento Saito](https://appshunter.io/developer/1462438577) | [JUNGLAE JO](https://appshunter.io/developer/6780321351) |

## What reviewers say

### 内税外税源泉計算

[App page](https://appshunter.io/ios/app/id1626487676)

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

**In-app purchases:** none


### ZeiCal

[App page](https://appshunter.io/ios/app/zeical/id6780321349)

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

**In-app purchases:** none


## Frequently asked questions

### Is 内税外税源泉計算 free?

内税外税源泉計算 is free to download, with no in-app purchases.

### Is ZeiCal free?

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

### Do 内税外税源泉計算 or ZeiCal have ads?

内税外税源泉計算 shows ads; ZeiCal does not.

### Which is updated more often, 内税外税源泉計算 or ZeiCal?

内税外税源泉計算 ships an update every 2 months, and ZeiCal weekly. Most recently, 内税外税源泉計算 was updated on October 25, 2026 and ZeiCal on October 24, 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.*