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Duo
Co-parenting expense tracker — clear, fair, no arguments
Duo tracks shared child expenses between two parents — school, doctor, clothes, food, activities. Both parents see the same ledger: who paid, how much, what for. Duo splits by your agreed ratio (50/50, 70/30, custom) and shows running balance. No bank linking, no public feed, no judgement. Just a clean ledger between two co-parents. Duo Plus unlocks PDF/CSV export (useful for legal documentation), push notifications, and email reminders. One sub covers both parents.
Hey Hunters!
I built Duo because last year after my separation, my ex and I were still arguing over text about who paid for what. Doctor visits. New winter boots. After-school clubs. Every month the same friction — "did you forget about the dentist?", "I sent you the receipt last week", "what's our running balance?".
Splitwise felt wrong for two people. Honeydue is dying and Zeta was acquired and shut down. Tandem got acquired and the price doubled. Monarch and YNAB are budgeting tools, not splitters.
So I built Duo. It does one thing well:
- Both parents log expenses (school, doctor, clothes, etc.)
- Duo splits by your agreed ratio (50/50, 70/30, custom)
- Running balance is always visible to both
- No bank linking, no social feed, no surveillance
Duo Plus unlocks PDF/CSV export for lawyers, AI expense auto-fill, push notifications when the other parent adds an expense, and email reminders. One subscription covers both parents — not one per user.
Built solo in Flutter + Supabase, 9 languages. iOS 15+ and Android 8+. Live on both stores.
🎁 For Product Hunt: sign up in Duo with your email, then drop the same email in a comment below — I'll unlock Plus for you until the end of 2027. No promo code, no payment.
Happy to answer anything about the stack, why I rejected bank linking entirely, or why the couple-finance category had such a rough 2025 (Honeydue, Zeta, Tandem all imploded).
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About Duo on Product Hunt
“Co-parenting expense tracker — clear, fair, no arguments”
Duo was submitted on Product Hunt and earned 0 upvotes and 1 comments, earning #2 Product of the Day. Duo tracks shared child expenses between two parents — school, doctor, clothes, food, activities. Both parents see the same ledger: who paid, how much, what for. Duo splits by your agreed ratio (50/50, 70/30, custom) and shows running balance. No bank linking, no public feed, no judgement. Just a clean ledger between two co-parents. Duo Plus unlocks PDF/CSV export (useful for legal documentation), push notifications, and email reminders. One sub covers both parents.
Duo was featured in Android (57.2k followers), Productivity (652.3k followers), Parenting (4.3k followers) and Personal Finance (2.8k followers) on Product Hunt. Together, these topics include over 180.8k products, making this a competitive space to launch in.
Who hunted Duo?
Duo was hunted by 1TNT. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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1TNT