# 消費税増税電卓 vs 消費税++

The clearest difference is in-app purchases: 消費税増税電卓 at none against 消費税++'s 1. 消費税増税電卓 also leads on ads (none vs shown) and iOS requirement (9.1 vs 18.6). 消費税++'s advantage is update cadence (every 2 months vs every 12 months). On price and device support there is nothing between them.

Both are free to download. 消費税++ sells 1 one-off in-app purchase. 消費税増税電卓 asks for nothing beyond the download.

消費税増税電卓 ships an update every 12 months, 消費税++ every 2 months. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 消費税増税電卓 | 消費税++ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 38.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 43 MB |
| Requires iOS | **9.1** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nakanishi Toshihiko](https://appshunter.io/developer/712843914) | [Daiko K.K.](https://appshunter.io/developer/430300661) |

## What reviewers say

### 消費税増税電卓

[App page](https://appshunter.io/ios/app/id777145172)

**Features:** macOS Compatibility

**In-app purchases:** none


### 消費税++

[App page](https://appshunter.io/ios/app/plus-plus/id781186973)

Calculate tax-inclusive prices for 5%, 8%, and 10% tax rates instantly. Supports both tax-inclusive and tax-exclusive input, and can also function as a standard calculator. Offers simulation for future tax rates up to 20%.

**Highlights:** Instant tax calculation (5%, 8%, 10%), Input tax-inclusive or exclusive, Standard calculator functionality, Copy/paste and share results, Simulate future tax rates (up to 20%), Ad-free option via subscription

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示アドオン | $9.99 | one-time |


## Frequently asked questions

### Is 消費税増税電卓 free?

消費税増税電卓 is free to download, with no in-app purchases.

### Is 消費税++ free?

消費税++ is free to download, with in-app purchases available.

### Do 消費税増税電卓 or 消費税++ have ads?

消費税++ shows ads; 消費税増税電卓 does not.

### Which is updated more often, 消費税増税電卓 or 消費税++?

消費税増税電卓 ships an update every 12 months, and 消費税++ every 2 months. Most recently, 消費税増税電卓 was updated on October 10, 2026 and 消費税++ on October 14, 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.*