# 源泉徴収係長R vs PSRIO

The clearest difference is update cadence: PSRIO at every 3 days against 源泉徴収係長R's every 9 months. 源泉徴収係長R's advantage is iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 源泉徴収係長R sells 1 in-app purchase, starting at $2.49 per 3 months and PSRIO sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

源泉徴収係長R ships an update every 9 months, PSRIO every 3 days. The most recent releases landed on August 24, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 源泉徴収係長R | PSRIO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 2 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ho't unite](https://appshunter.io/developer/486153744) | [Yoshinori Kobayashi](https://appshunter.io/developer/1828823227) |

## What reviewers say

### 源泉徴収係長R

[App page](https://appshunter.io/ios/app/r/id1522187059)

Calculate various withholding tax amounts easily, including salary, bonuses, and various fees. Offers reverse calculation from net pay and handles consumption tax for fees. Supports retirement income tax calculations.

**Highlights:** Salary and bonus tax calculation, Various fee tax calculation, Reverse calculation from net pay, Consumption tax calculation for fees, Retirement income tax calculation, Dividend and interest tax calculation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 有料全機能オプション | $2.49 | per 3 months |


### PSRIO

[App page](https://appshunter.io/ios/app/psrio/id6749107911)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 保存期間（1ヶ月） | $2.99 | per month |


## Frequently asked questions

### Is 源泉徴収係長R free?

源泉徴収係長R is free to download, with in-app purchases available.

### Is PSRIO free?

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

### Do 源泉徴収係長R or PSRIO have ads?

Neither 源泉徴収係長R nor PSRIO shows ads.

### Which is updated more often, 源泉徴収係長R or PSRIO?

源泉徴収係長R ships an update every 9 months, and PSRIO every 3 days. Most recently, 源泉徴収係長R was updated on August 24, 2026 and PSRIO on September 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.*