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I built an app that turns one sentence into a business. So far it's lost money.

It's called Towers. You type one line, like "find me a business in Germany", and agents find a gap and build it: the site, video ads, Google pages and a Facebook page. The one in the video is real: Annehmbar , a checker for German e-invoices. They're mandatory since 2025, and an invoice that fails the check gets rejected and doesn't get paid. It's live at annehmbar.com. So far, across everything it built: $300 spent, $13 made. Building works. Getting customers is the ha

五维评分

付费意愿
66
需求真实度
55
个人可落地
78
竞争空间
45
新鲜度
72

AI 分析

痛点:德国自2025年起强制电子发票,格式不合规的发票会被对方系统拒收、拿不到钱;中小企业主没有低门槛工具来快速校验和修复自己的发票。

目标用户:德国中小企业主、自由职业者、记账士和税务顾问(Steuerberater)

证据:"They're mandatory since 2025, and an invoice that fails the check gets rejected and doesn't get paid." / "So far, across everything it built: $300 spent, $13 made. Building works. Getting customers is the hard part."

变现:订阅制(€9–29/月,按发票张数分档)+ API 按调用计费;面向税务顾问做白标批量校验,按客户数收费。

MVP:两周 MVP:上传 XRechnung XML 或 ZUGFeRD PDF,后端调用开源 KoSIT/Mustangproject 校验 EN 16931 规则,输出人话版错误说明和「一键修复后重新导出」;免费每月 3 张,超出转付费。

竞品:KoSIT Validator、Mustangproject、Storecove、DATEV、Lovable / Bolt / v0(同类“一句话建站”工具)

摘要:作者做了 Towers,一句话生成整条业务(站点、视频广告、Google 页、Facebook 页),真实案例是德国电子发票校验站 annehmbar.com,因为德国 2025 年起电子发票强制、不合规会被拒付。但整体成绩是花了 $300 只赚到 $13,作者自己承认“造出来没问题,难的是获客”。可变现的点不在“AI 建业务”这个红海,而在它顺带验证出的德国电子发票校验这一合规细分需求。