Comparison

CoupleBudgets vs DuetShare

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CoupleBudgets

Features
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ふたりのお金を、迷わずひとつに。 CoupleBudgetsは、2人のための家計管理アプリです。収入や支出、貯金目標をふたりで共有しながら、公平でわかりやすいお金の管理を実現します。 ■ データはすべて端末内に保存 サーバーには一切送信しません。パートナーの収入や資産といったセンシティブな情報も、安心してこのアプリの中だけで管理できます。 ■ 収入に応じて公平に按分 家賃や食費などの共通支出を、ふたりの収入比率・均等割・カスタム比率から選んで自動計算。「どちらがいくら払うか」で悩む必要がなくなります。 ■ 貯金目標をふたりで管理 結婚式費用、新婚旅行、マイホーム頭金など、複数の貯金目標を同時に管理。ボーナス月の上乗せ額も個別に設定でき、進捗もひと目で確認できます。 ■ 振込ガイドで毎月の作業を時短 共通口座やカードへの振込額、個人の可処分所得までを自動計算。「今月いくら振り込めばいいか」を迷わず実行できます。 ■ 口座・カードもまとめて管理 給与口座、共通口座、クレジットカードをそれぞれ登録し、支払い元を項目ごとに設定できます。 こんな方におすすめです ・同棲中、または結婚を控えた2人 ・共働きで家計管理が複雑になっている夫婦 ・お金の話し合いをスムーズにしたい方 ・家計簿アプリのデータを外部に預けたくない方 ふたりのお金の悩みを、CoupleBudgetsがシンプルにします。

About

DuetShare

Features
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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

Screenshots

CoupleBudgets4 screens
DuetShare4 screens

Verdict

The call

The clearest difference is ads: DuetShare at none against CoupleBudgets's shown. DuetShare also leads on iOS requirement (15.0 vs 26.2). On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CoupleBudgets sells 4 one-off in-app purchases and DuetShare sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CoupleBudgets ships an update weekly, DuetShare every 4 days. The most recent releases landed on October 21, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 4 level
CoupleBudgets versus DuetShare: the parameters behind the verdict, then further details
ParameterCoupleBudgetsDuetShare
PriceFreeFree
Update frequencyWeeklyEvery 4 days — better
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS26.215.0 — better
Further details — not scored
Size9 MB55 MB
Age rating4+4+
DeveloperYugo FunakiGNOSFLARE

In-app purchases

4 purchases

CoupleBudgets

One-time4
  • 小額支援(水1本分)$0.49
  • 中額支援(ケーキ1個分)$2.99
  • 高額支援(ディナー1回分)$5.99
Show 1 more
  • 特別な支援$19.99
2 purchases

DuetShare

Subscriptions2
  • Plus Monthly$0.991 Month
  • Plus Annual14 Days trial$9.991 Year

Questions

Is CoupleBudgets free?
CoupleBudgets is free to download, with in-app purchases available.
Is DuetShare free?
DuetShare is free to download, with in-app purchases available.
Do CoupleBudgets or DuetShare have ads?
CoupleBudgets shows ads; DuetShare does not.
Which is updated more often, CoupleBudgets or DuetShare?
CoupleBudgets ships an update weekly, and DuetShare every 4 days. Most recently, CoupleBudgets was updated on October 21, 2026 and DuetShare on October 4, 2026.

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