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I built 32 finance calculators that run inside a Reddit post, now used by a 440k-member community

In finance subreddits the same questions come up every day: "How long until I'm debt-free?", "What does 500 a month become in 20 years?", "Is this fund fee too high?" People answer them by hand in the comments, again and again. So I built Finance Calculator: an app that runs directly inside a Reddit post, so nobody has to leave the thread. What it does: - 32 calculators: debt payoff (snowball vs avalanche), loan & mortgage, credit card payoff, compound growth, FIRE, dividends, DCF, P/E

五维评分

付费意愿
25
需求真实度
65
个人可落地
95
竞争空间
50
新鲜度
80

AI 分析

痛点:金融子版用户每天重复问债务、复利、基金费率等问题,回答者只能手工在评论里反复计算。

目标用户:金融/理财类 subreddit 的用户与版主,以及需要快速嵌入计算工具的理财社区运营者。

证据:In finance subreddits the same questions come up every day: "How long until I'm debt-free?", "What does 500 a month become in 20 years?", "Is this fund fee too high?" People answer them by hand in the comments, again and again. / now used by a 440k-member community

变现:免费基础计算器引流,高级计算/导出报告订阅;贷款、房贷、券商开户等联盟导流;面向理财社区或 KOL 的白标/赞助计算器。

MVP:用 Reddit Devvit + React 做 5 个高频计算器(债务雪球/雪崩、房贷、复利、FIRE、基金费率),输出可复制的结果句,先投 1 个中型金融 subreddit 验证留存与分享,再嵌入联盟/高级功能入口。

竞品:Calculator.net、NerdWallet calculators、Bankrate calculators、r/personalfinance wiki calculators、Reddit finance bots

摘要:作者用 Reddit Devvit 做了 32 个金融计算器,可直接在帖子内运行,已被 44 万成员社区使用,证明嵌入式工具能解决金融子版重复问答。原帖免费、无广告、无登录,没有付费或收入证据,变现需靠高级功能、联盟导流或 B 端白标。