# ふるさと納税 控除計算機｜ふるさとの自治体への寄付金額を知る vs Leftty

The clearest difference is ads: Leftty at none against ふるさと納税 控除計算機｜ふるさとの自治体への寄付金額を知る's shown. Leftty also leads on update cadence (every 3 days vs monthly). ふるさと納税 控除計算機｜ふるさとの自治体への寄付金額を知る's advantage is iOS requirement (11.0 vs 16.4). On price, in-app purchases and device support there is nothing between them.

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

ふるさと納税 控除計算機｜ふるさとの自治体への寄付金額を知る ships an update monthly, Leftty every 3 days. Both last shipped on October 9, 2026.

## The numbers

| Metric | ふるさと納税 控除計算機｜ふるさとの自治体への寄付金額を知る | Leftty |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 86.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 28 MB | 47 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Factory inc. (Apps)](https://appshunter.io/developer/1466745012) | [MaroStory](https://appshunter.io/developer/1819613300) |

## What reviewers say

### ふるさと納税 控除計算機｜ふるさとの自治体への寄付金額を知る

[App page](https://appshunter.io/ios/app/id1520507112)

Easily calculate your maximum donation amount for Furusato Nozei to maximize tax savings. This app simplifies complex tax calculations, including those for self-employed individuals and those with special deductions, and suggests recommended return gifts based on your contribution limit.

**Highlights:** Calculate Furusato Nozei deduction limit, Supports complex deductions (medical, iDeCo, housing loan), Detailed calculation for self-employed, Save and manage family contribution limits, Recommended return gifts based on limit, Campaign information, Beginner's guide to Furusato Nozei

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

**In-app purchases:** none


### Leftty

[App page](https://appshunter.io/ios/app/leftty-pass-tracker/id6803116913)

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

**In-app purchases:** none


## Frequently asked questions

### Is ふるさと納税 控除計算機｜ふるさとの自治体への寄付金額を知る free?

ふるさと納税 控除計算機｜ふるさとの自治体への寄付金額を知る is free to download, with no in-app purchases.

### Is Leftty free?

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

### Do ふるさと納税 控除計算機｜ふるさとの自治体への寄付金額を知る or Leftty have ads?

ふるさと納税 控除計算機｜ふるさとの自治体への寄付金額を知る shows ads; Leftty does not.

### Which is updated more often, ふるさと納税 控除計算機｜ふるさとの自治体への寄付金額を知る or Leftty?

ふるさと納税 控除計算機｜ふるさとの自治体への寄付金額を知る ships an update monthly, and Leftty every 3 days. Most recently, ふるさと納税 控除計算機｜ふるさとの自治体への寄付金額を知る was updated on October 9, 2026 and Leftty on October 9, 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.*