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A shared-expense ledger for trips, households and friend groups whose product only works when you invite the others — estimated at about $400K a month and 500K downloads a month from US iPhone users.
~500K monthly US iOS downloads (Sensor Tower estimates)
Nobody can split a bill alone: every Splitwise group forces the organiser to invite roommates or travel companions, and every new expense gives them a reason to come back. The referral loop is the product itself, and premium sells the tedium removed — receipt scanning, currency conversion, simplified settlement.
Fewer bars = easier, cheaper, or faster for an AI-assisted solo builder. Editorial judgments based on the case details.
Splitwise helps friends, roommates and travel companions track shared expenses. A group records purchases, splits them equally or in custom shares, and sees who owes whom; a settlement tool reduces the number of repayments needed to clear balances. Premium features such as receipt scanning, categories, currency conversion, unlimited groups and simplified debt settlement give a natural free-to-paid path. In a video promoting his Base44 course, creator Mikey No Code opens Splitwise’s public Sensor Tower page, which estimates about 500,000 monthly downloads and $400,000 a month in revenue from US iOS users. These are third-party estimates for one platform and one country, not company accounts. He explains the scale by how often the problem recurs: people share meals, rent, subscriptions, holidays and household costs whatever the economy is doing. The product also carries its own acquisition mechanism, because one person cannot use a shared group alone and each new expense invites the other participants back. For a new entrant, the challenge is not the arithmetic; it is making every participant comfortable joining and trusting the record.
For a shared-expense product, the first customer is usually one organizer with an immediate group need: a trip, shared home, or recurring team purchase. Reach that person through travel planning content, roommate resources, and search pages for splitting a particular kind of bill.
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Data credibility: Revenue and downloads are Sensor Tower estimates that the creator (Mikey No Code) shows on screen from Splitwise's public overview page; they cover US iOS only and are not company-reported. Pricing, retention and costs are not covered. Splitwise is a long-established company, not the tiny indie app the video's title implies, so treat it as a scale reference for the shared-ledger pattern. The video is a promotion for the creator's Base44 course: the free-tier limits in his demo build are his own choices, not this app's actual paywall.
The first dollar should come after a group has successfully recorded and settled real expenses. Keep basic group creation, expense entry, and balances available free so the organizer can bring others in without hitting a paywall.
Splitwise’s flywheel is unusually direct: one user creates a group, invites the people involved, and shared purchases keep everyone returning to the same record. Every new expense updates balances and gives participants another reason to use the product.
A shared ledger can stall when one participant refuses to join or disputes an entry. Design for that reality: allow a group organizer to record expenses, make changes visible, and let others correct a split without starting over.
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