Problem / demand signals:

• Reddit thread linked by user: a person specifically asks r/LongDistance for “an app to randomly generate daily prompts” – shows explicit unmet demand. Similar request threads appear across r/LongDistance and r/LDR (“any app that sends daily questions besides Paired?”, “looking for shared scrapbook apps”), indicating real interest.
• Broader interest in tech that helps long-distance couples is high: keyword “apps for long distance couples” 3 600 monthly searches, difficulty 0-2 (low). “long distance relationship app” 3 600 volume, difficulty 0. These head keywords easily pass the ≥500 volume & <30 difficulty rule.
• Numerous listicles (Cupla blog, BetterHelp, WallOfLove, etc.) rank and monetise traffic around those keywords ⇒ proven organic demand that can be captured with SEO / ASO.

Competitive landscape:

• Existing apps with some overlap: Paired, Agapé, Couply, Candle, Cozy Couples, Between, Waffle. They deliver daily questions, quizzes or a shared photo space, but none combines multi-format (text, voice, photo) random challenges with an automatic timeline/scrapbook in one place.
• Monetisation: All listed competitors run freemium subscriptions (US$5–$...