Rap Generator — 生成说唱歌词和歌曲的免费 AI 工具，用户可以输入提示词，选择情绪，生成符合描述的个性化的歌词，并可以根据歌词选择免费创建两首定制的说唱歌曲。可以免费下载和收听人工智能生成的说唱歌曲。希望让每一个 Rap 音乐爱好者能轻松地创作自己喜欢的音乐

@fedeponte1 · X

my first saas. i think i built something people actually want and completely failed at the business side. would genuinely love help. openpaper ( writes full, cited research papers from a prompt. research, outline, writing, real citations, export. the honest numbers: - ~2,300 signups - ~1,500 generated a full paper. people actually use it. - ~5 have ever paid. ~$45/mo. activation is great, revenue is basically zero. i've been staring at this for weeks. the paywall is on export (pay ~$12 to download the pdf). but the full cited paper is right there on screen, free, you can read it and copy-paste it. so i'm charging for the gift wrap after handing over the gift. almost nobody even reaches checkout. 76% generate exactly one paper and leave. one-and-done, so subscriptions make no sense. the audience is mostly students and researchers on personal gmail, all over the world, almost none on university or company emails. traffic is x and github. so i genuinely can't tell