# 消費税++ vs Calculator++F

The clearest difference is in-app purchases: Calculator++F at none against 消費税++'s 1. Calculator++F also leads on review sentiment (71% vs 38%) and device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. 消費税++ sells 1 one-off in-app purchase. Calculator++F asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 19, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 消費税++ | Calculator++F |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (22 ratings)](https://appshunter.io/ios/app/calculator-plus-plus-f/id1070080614/reviews)** |
| Number of ratings | — | **22** |
| Positive reviews | 38.0% of reviews | **71.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 43 MB | 71 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daiko K.K.](https://appshunter.io/developer/430300661) | [YUTAKA KENJO](https://appshunter.io/developer/1070080613) |

## What reviewers say

### 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 |


### Calculator++F

[App page](https://appshunter.io/ios/app/calculator-plus-plus-f/id1070080614)

This app allows for complex calculations using expressions, with one-touch discount and tax calculations. It automatically saves your calculation history for easy review and reuse, making everyday financial tasks efficient.

**Highlights:** Expression-based calculations, One-touch discount and tax calculation, Automatic calculation history, Reuse historical expressions, Memory function, Mini-game for mental exercise

**In-app purchases:** none


## Frequently asked questions

### Is 消費税++ free?

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

### Is Calculator++F free?

Calculator++F is free to download, with no in-app purchases.

### Do 消費税++ or Calculator++F have ads?

Both 消費税++ and Calculator++F show ads.

### Which is updated more often, 消費税++ or Calculator++F?

消費税++ ships an update every 2 months, and Calculator++F every 2 months. Most recently, 消費税++ was updated on September 19, 2026 and Calculator++F on September 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.*