Okay, if you’re the type who likes lights-off, phone-glow, late-night scrolling, I’ve got a running list of apps and places that feed that exact craving. I usually cycle between a few, depending on whether I want bite-sized chills or something long enough to haunt my dreams for weeks. For short jolts, Reddit’s mobile app with the 'r/NoSleep', 'r/ShortScaryStories', and 'r/TwoSentenceHorror' communities is unbeatable — community-moderated, a constant stream, and free. If you like serialized or long-form written horror, Wattpad and Tapas have tons of indie writers posting for free; Tapas is great if you want comics and short novels together, while Wattpad skews more YA and serialized creepiness. Creepypasta.com is an old faithful for classic internet horror, and there are several unofficial Creepypasta reader apps on Android and iOS that just wrap that content into an easy mobile UI.
For chat-style stories that read like a string of texts — which I adore because they feel immediate — try Hooked and Yarn. Both have free tiers (ads, and optional pay to remove limits) and a ton of short, chat-driven horror tales that are perfect when you’ve only got ten minutes. If you prefer something with a fandom lean, 'Archive of Our Own' and 'FanFiction.net' host a surprising amount of creepy crossovers and original horror fics, and their mobile site experience is fine even if there’s no slick official app. The 'SCP Foundation' website is a treasure trove of collaborative cosmic horror; it’s web-based but very mobile-friendly, and there are unofficial SCP reader apps that aggregate entries if you want app convenience.
Beyond those, don’t sleep on Webtoon and Tapas for horror comics (visual scares hit differently), Inkitt and Royal Road for experimental serialized spooky novels, and Telegram groups or Discord servers where some creators drip-feed short stories. My practical tips: use tag filters like ‘horror’, ‘creepy’, ‘paranormal’, or ‘thriller’; check for trigger warnings if you’re sensitive; and read the top-voted or most-commented to find the best hidden gems. Finally, participate — leaving a comment or upvote helps authors, and I often find the best rec lists in comment threads. If you want, tell me whether you like microfiction, chat-stories, or long creepy novels and I’ll point you to specific authors I love — I’ve got a few that keep me up on purpose.