# 税込電卓 vs Calcat

The clearest difference is review sentiment: Calcat at 84% against 税込電卓's 50%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

税込電卓 ships an update every 8 months, Calcat every 12 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | 税込電卓 | Calcat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (106 ratings)](https://appshunter.io/ios/app/calcat/id1375207811/reviews)** |
| Number of ratings | — | **106** |
| Positive reviews | 50.0% of reviews | **83.7% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 8 months** | Every 12 months |
| Monetization | — | Ad-supported |
| Size | 6 MB | 7 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shinichi Ishizuka](https://appshunter.io/developer/490639079) | [sky-nexus Inc.](https://appshunter.io/developer/512522554) |

## What reviewers say

### 税込電卓

[App page](https://appshunter.io/ios/app/id832416921)

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

**In-app purchases:** none


### Calcat

[App page](https://appshunter.io/ios/app/calcat/id1375207811)

A calculator app designed for cat lovers, featuring a cute cat sound when calculations are complete. It prioritizes ease of use with a clear display of input and results, allowing users to review their steps and correct mistakes.

**Highlights:** Cat sound on calculation, Easy-to-use interface, View calculation history, Input process display, General calculator mode, Function calculator mode

**In-app purchases:** none


## Frequently asked questions

### Is 税込電卓 free?

税込電卓 is free to download, with no in-app purchases.

### Is Calcat free?

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

### Do 税込電卓 or Calcat have ads?

Both 税込電卓 and Calcat show ads.

### Which is updated more often, 税込電卓 or Calcat?

税込電卓 ships an update every 8 months, and Calcat every 12 months. Most recently, 税込電卓 was updated on November 6, 2026 and Calcat on November 6, 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.*