# 税理Pro vs カイクラCTI

The clearest difference is in-app purchases: カイクラCTI at none against 税理Pro's 2. カイクラCTI also leads on iOS requirement (9.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 税理Pro sells 2 in-app purchases, starting at $5.49 per month. カイクラCTI asks for nothing beyond the download.

税理Pro ships an update every 6 weeks, カイクラCTI every 2 months. The most recent releases landed on October 8, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 税理Pro | カイクラCTI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/pro/id353875869/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 45 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [System Approach](https://appshunter.io/developer/347519116) | [Thinca co.,Ltd.](https://appshunter.io/developer/1318550819) |

## What reviewers say

### 税理Pro

[App page](https://appshunter.io/ios/app/pro/id353875869)

This professional tax calculator offers comprehensive tax computations for individuals and corporations. It includes features for income tax, corporate tax, property taxes, and more, with simulation and result export capabilities. A free version with limited functionality is available, with full access unlocked via subscription.

**Highlights:** Comprehensive tax calculations, Income and corporate tax, Property and transaction taxes, Simulation and検算, Email results, Save and edit calculations, Resume interrupted calculations

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 制限解除プラン | $5.49 | per month |
| 制限解除プラン | $52.99 | per year |


### カイクラCTI

[App page](https://appshunter.io/ios/app/cti/id1318550820)

**In-app purchases:** none


## Frequently asked questions

### Is 税理Pro free?

税理Pro is free to download, with in-app purchases available.

### Is カイクラCTI free?

カイクラCTI is free to download, with no in-app purchases.

### Do 税理Pro or カイクラCTI have ads?

Neither 税理Pro nor カイクラCTI shows ads.

### Which is updated more often, 税理Pro or カイクラCTI?

税理Pro ships an update every 6 weeks, and カイクラCTI every 2 months. Most recently, 税理Pro was updated on October 8, 2026 and カイクラCTI on September 23, 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.*