# 家計簿 共有 Sync シンプルに続く支出管理

> Shared expense tracker for couples with real-time sync and auto-reimbursement calculation. (iPhone/iPad app by Shu Fujimori.)

- Source: https://appshunter.io/ios/app/sync/id6757173082 (this page in markdown: same URL + `.md`)
- Developer: [Shu Fujimori](https://appshunter.io/developer/1636323055)
- Category: Finance
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 18.6 · 25 MB
- Languages: Japanese
- Released: 2026-01-08
- Data updated: 2026-08-26
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/sync/id6757173082/reviews.md

## What is 家計簿 共有 Sync シンプルに続く支出管理?

ふたりの支出をリアルタイムで共有・可視化。 面倒な割り勘計算や、お金の「言いにくい」をなくす、シンプルな共有家計簿アプリです。

パートナーとの家計管理で、「何に使ったのか分からない」「精算が面倒」といったストレスを感じていませんか？ 『Sync（シンク）』なら、入力するだけで相手の画面にも即座に反映。誰がいくら払ったか、自動で集計します。 余計な機能は省き、ふたりが気持ちよく使える「シンプルさ」と「透明性」にこだわりました。

【こんなふたりにおすすめ】 
・相手の支出が見えなくて不安になる 
・毎月の割り勘や立替精算が面倒 
・「自分ばかり払っている気がする」とモヤモヤする 
・複雑な家計簿アプリは続かない

【主な機能】

・リアルタイム同期 片方が入力すれば、相手の画面に瞬時に反映されます。

・自動で割り勘計算 「支払った人」を選ぶだけ。差額の精算額も自動で計算します。

・1秒入力ウィジェット アプリを開かず、ホーム画面から素早く記録できます。


・カテゴリ自由設定 ふたりの生活スタイルに合わせて、項目を自由に作成できます。

利用規約 https://sites.google.com/view/nanini-kakeibo/

## Key features

- Real-time expense synchronization
- Automatic split payment calculation
- Quick entry widget
- Private expense tracking
- Customizable spending categories


## Frequently asked questions about 家計簿 共有 Sync シンプルに続く支出管理

### Does Sync have ads?

Sync is ad-free, allowing for an uninterrupted user experience focused on managing your shared finances.

### How does Sync handle reimbursements between partners?

Sync automatically calculates the amount each partner owes the other based on who paid for shared expenses, simplifying the settlement process.

### Can I track my personal expenses separately with Sync?

Yes, Sync includes a private function that allows you to manage your individual spending in addition to shared household expenses.

### How often is Sync updated?

The app was last updated on 2026-06-06, indicating active development and potential for future improvements and features.

### What devices does Sync support?

Currently, Sync is available for iPhone devices, allowing couples to manage their finances on the go.

### How secure is Sync for financial data?

While specific security measures are not detailed, the app's focus on simplicity and transparency suggests a commitment to user data privacy. Users can manage their own spending and shared expenses with ease.

### What is the rating for Sync?

Sync has a high rating of 5.0 stars based on 2 user reviews, indicating strong user satisfaction with its features and usability.

### Can I customize spending categories in Sync?

Yes, Sync allows you to freely set up custom categories to match your specific lifestyle and spending habits, making financial tracking more personalized.

## Version history (last 5 releases)

### 1.2.1 — 2026-08-18

・編集ページのデザインを修正しました．

### 1.2.0 — 2026-08-13

・UIを修正しました

### 1.1.3 — 2026-06-06

・UIを修正しました

### 1.1.2 — 2026-06-04

・Webからチームの参加ができるようになりました

### 1.1.1 — 2026-05-25

・共有支出を個人支出に変更した際に，適切に表示がされるように修正しました

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*