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Screenshots

  • DuetShare screenshot 1
  • DuetShare screenshot 2
  • DuetShare screenshot 3
  • DuetShare screenshot 4

About DuetShare

Two people, one answer for their money. Whether you are a couple moving in together or spouses managing a household, the right way to share expenses depends on your lifestyle, income, rent subsidy, and other circumstances. DuetShare is a shared expense tracker for couples and spouses that helps you manage everyday spending and settlements using the arrangement that works for you. Simply record an expense to see how much each person has paid and how to settle the balance. DuetShare also handles expenses that can otherwise be complicated, such as rent with a housing subsidy. Make money conversations clearer and easier. Find the approach that fits your life together. KEY FEATURES • Set a contribution ratio that works for both of you • Manage expenses including rent subsidies • Automatically calculate reimbursements and settlement amounts • Share updates with your partner in real time • Review spending by month and category • Enter expenses quickly from receipts • Use Japanese or English, with light and dark themes The free plan includes rent subsidy settings, expense tracking, partner sharing, and receipt scanning. DUETSHARE PLUS • Automatically record recurring expenses • Set monthly budgets by category • Compare spending across six months • Create custom categories • Get AI-powered category suggestions DuetShare does not provide money transfer or payment services. Make the way you share expenses visible. Terms of Use: https://gnosflare.jp/apps/futaribun/en/terms-of-service.html Privacy Policy: https://gnosflare.jp/apps/futaribun/en/privacy-policy.html

What’s new

Version 1.0.3 · Updated August 31, 2026

Futaribun is now DuetShare in English. This update also improves English branding and subscription information.

App privacy

The developer, GNOSFLARE, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Purchases: Purchase History
  • Financial Info: Other Financial Info
  • Contact Info: Name
  • User Content: Other User Content
  • Identifiers: User ID, Device ID

Used for: App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Diagnostics: Other Diagnostic Data
  • Other Data: Other Data Types

Used for: Analytics, App Functionality

Alternatives to DuetShare

Looking for apps like DuetShare? Here are 6 similar apps on the App Store. The highest rated is かんたん外貨家計簿 — 世界中の通貨に対応した家計簿アプリ (5.0/5), and all 6 are free to download.

DuetShare vs. alternatives
App Rating Price Last updated Compare
DuetShare – Free August 31, 2026
CoupleBudgets – Free Sep 1, 2026 Compare
Famnance: Family Budget – Free Oct 13, 2026 Compare
とんとん - 同棲カップルの割り勘・精算・お金管理 – Free Oct 24, 2026 Compare
かんたん外貨家計簿 — 世界中の通貨に対応した家計簿アプリ 5.0 / 5 (2) Free Oct 22, 2026 Compare
Household expenses - Freely 4.7 / 5 (86) Free Aug 11, 2026 Compare
Currency Strength - FX LABO 4.9 / 5 (14) Free Aug 18, 2026 Compare

Compare DuetShare with the top alternatives: ratings, updates, ASO score and keyword gaps →