# VAT calculator+ vs インボイス計算

The clearest difference is ads: VAT calculator+ at none against インボイス計算's shown. VAT calculator+ also leads on update cadence (every 2 days vs every 9 days) and iOS requirement (10.0 vs 13.0). 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.

VAT calculator+ ships an update every 2 days, インボイス計算 every 9 days. Both last shipped on September 21, 2026.

## The numbers

| Metric | VAT calculator+ | インボイス計算 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | Free | — |
| Size | 70 MB | 20 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [YUTAKA KENJO](https://appshunter.io/developer/1070080613) | [ExOR Inc.](https://appshunter.io/developer/1717324092) |

## What reviewers say

### VAT calculator+

[App page](https://appshunter.io/ios/app/vat-calculator-plus/id1477132767)

Easily calculate VAT at 20% and 5% simultaneously with separate frames for each tax rate. It automatically sums tax-included amounts, supports formula entry for multiple items, and displays tax-excluded and tax amounts separately. Rounding options and discount calculations are also available.

**Highlights:** Simultaneous 20% and 5% VAT calculation, Separate calculation frames per tax rate, Automatic total tax-included amount calculation, Formula entry for multiple items, Display of tax-excluded and tax amounts, Configurable rounding options, Discount calculation, Calculation history

**Features:** Vision Pro support

**In-app purchases:** none


### インボイス計算

[App page](https://appshunter.io/ios/app/id6475646168)

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

**In-app purchases:** none


## Frequently asked questions

### Is VAT calculator+ free?

VAT calculator+ is free to download, with no in-app purchases.

### Is インボイス計算 free?

インボイス計算 is free to download, with no in-app purchases.

### Do VAT calculator+ or インボイス計算 have ads?

インボイス計算 shows ads; VAT calculator+ does not.

### Which is updated more often, VAT calculator+ or インボイス計算?

VAT calculator+ ships an update every 2 days, and インボイス計算 every 9 days. Most recently, VAT calculator+ was updated on September 21, 2026 and インボイス計算 on September 21, 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.*