VAT calculator+ vs インボイス計算
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VAT calculator+
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.
- 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
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This app can calculate 20% and 5% VAT. The feature of this app is that a calculation frame is set up separately for each tax rate. For this purpose, you can check the tax-included amount of 20% and 5% at the same time without changing the screen or erasing the entered value. And the total value of each tax-included amount is calculated automatically, so you can check the total amount without any hassle. This is useful when you need to calculate VAT, such as when shopping, selling products, or estimating. You can enter formulas such as 100 + 300 and 100x3, so you can calculate the tax-inclusive amount for multiple products at once. In addition to tax-included amount, the tax-excluded amount and tax amount are displayed separately. Once set, fractions can be rounded down, rounded up or rounded off. You can calculate discounts. It is easy to operate because it can be calculated simply by pressing a preset button such as 5%, 10%, 15%, 20%, etc. You can also enter a number and calculate at other percentages. Calculation results are automatically saved in the history and can be checked later.
インボイス計算
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本アプリは、消費税の計算を簡単に行うことができるアプリです。税率8%と10%に対応しており、税抜き価格や税込価格を入力するだけで、すぐに消費税額を計算できます。 インボイス登録事業者は消費税額を領収書に記載する必要がありますが、内税の場合は消費税の計算がやや複雑です。 例えば税率10%で税込み10,000円のお会計の場合、消費税額は1,000円ではなく909円です。 特にPOSレジを導入していない店舗様におすすめのアプリです。 アプリの特徴 ・税率8%と10%に対応 ・税抜き価格や税込価格の入力に対応 アプリの使い方 税抜き価格または税込価格を入力します。 税率を選択します。 計算ボタンを押します。 領収書に転記できる形式で消費税額が表示されます。
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | VAT calculator+ | インボイス計算 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| Update frequency | Every 2 days — better | Every 9 days |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 70 MB | 20 MB |
| Age rating | 4+ | 17+ |
| Developer | YUTAKA KENJO | ExOR Inc. |
In-app purchases
VAT calculator+
No in-app purchases
インボイス計算
No in-app purchases





