# 商工中金 vs ふるさと納税帳

The clearest difference is ads: 商工中金 at none against ふるさと納税帳's shown. 商工中金 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). ふるさと納税帳's advantage is update cadence (every 3 days vs every 8 months). On price 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.

商工中金 ships an update every 8 months, ふるさと納税帳 every 3 days. The most recent releases landed on September 18, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 商工中金 | ふるさと納税帳 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [商工中金](https://appshunter.io/developer/980998724) | [KUREHO](https://appshunter.io/developer/1884942706) |

## What reviewers say

### 商工中金

[App page](https://appshunter.io/ios/app/id980998725)

**Features:** Vision Pro support

**In-app purchases:** none


### ふるさと納税帳

[App page](https://appshunter.io/ios/app/ideco/id6764628383)

This app accurately simulates your Furusato Nouzei donation limit, accounting for side income and iDeCo. It manages your donations, tracks application status, and verifies results with your resident tax notice. Designed for privacy, all data stays on your device.

**Highlights:** Accurate donation limit calculation, Side income and iDeCo integration, Donation tracking and management, One-stop special application management, Year-end review and advice, Resident tax notice verification

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

**In-app purchases:** none


## Frequently asked questions

### Is 商工中金 free?

商工中金 is free to download, with no in-app purchases.

### Is ふるさと納税帳 free?

ふるさと納税帳 is free to download, with no in-app purchases.

### Do 商工中金 or ふるさと納税帳 have ads?

ふるさと納税帳 shows ads; 商工中金 does not.

### Which is updated more often, 商工中金 or ふるさと納税帳?

商工中金 ships an update every 8 months, and ふるさと納税帳 every 3 days. Most recently, 商工中金 was updated on September 18, 2026 and ふるさと納税帳 on October 28, 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.*