24h: Chat, Calendar & Ledger

Keep your chats and your time in one place. Made plans in a chat and forgot them? 24h puts chats, groups, a shared calendar, ledgers, and a diary in one app. Create an Event in the chat and it lands on both Calendars once accepted. Add Entry for trip costs and 24h works out who owes whom. [WHO IT'S FOR] • Film, theater, and event teams: a Main Group per project, Subgroups per team, Freeze when it wraps • Clubs, classes, and trips with friends: Polls, Sign-up Cards, and a Shared Ledger • Anyone who wants a tidier life: Diary, To-dos, Countdowns, and Period Log [CHATS & GROUPS] • Read receipts, @mentions, reactions, replies, and pinned messages • Photos (HD option), short videos, voice, files, location, and contacts; Hold to Talk • Groups of up to 1,000 members, with Public or Approval Required Subgroups • Announcements, Polls, and Sign-up Cards with waitlists and check-in • Sticky Notes, Forward, Schedule Send, and Unsend within 24 hours • A permanent shared Album for every chat and group • Join groups with invite links and QR codes [SHARED CALENDAR] • Event invites sent in chat, added to your Calendar when accepted • Day, week, month, and year views, color-coded by group • Subscribe to friends' Calendars; private Events show only as "Busy" • Share Free Days and set Busy Hours to protect your downtime • Import .ics files or Link Google Calendar (read-only) • To-dos, habit check-ins, Public Holidays, and Photo Calendar [LEDGERS] • Personal Ledger with budgets, fixed expenses, and a Yearly view • Shared Ledgers: Split Equally, custom amounts, or By Ratio • Project Ledger for trips and shoots, with multiple currencies • Solo Trip: a separate ledger for traveling on your own • Settle Up finds the fewest transfers • Snap Receipt reads items on your phone; the photo is not uploaded • Hide Amounts and a home screen widget for today's spending [DIARY & DAILY LIFE] • Diary: Today's Mood, one line, weight, walks, spending, and photos • Close Ones: Anniversaries, a daily question, Wish Box, and Letter to the Future • Countdowns and Period Log (predictions are for reference, not medical advice) • Stash: save messages, links, and files just for you • Moments: share updates only with friends you choose [24h ASSISTANT] • Log expenses, weight, or mood in one sentence, handled on your phone • Draw a Card, Breathing, Meditation, and Massage when you need a break • AI helps you sort out ideas, plan your days, and draft messages • We explain AI and ask for your consent before your first use [CARE MODE] • Large text and a simple layout for older family members [PRIVACY] • Your Diary, Period Log, private notes, Personal Ledger, and Events imported from Google are visible only to you • Friends viewing your Calendar see only "Busy" • Add friends by 24h ID or QR code, no phone number needed • Turn off ID search, block messages from strangers, set "Chat Only," Block, and Report • Passcode Lock with fingerprint or face unlock • We never sell your data or use your chats, Diary, Period, or mood data for ads • Export or delete your data anytime [LANGUAGE] • English (Beta) appears automatically when your phone is set to English. Some text may still appear in Traditional Chinese. [CONTACT US] Email [email protected], or go to Me → Help & About → Support in the app.

24h is now officially available • Chats, groups, calendar, ledger and albums in one app • Assistant: log events, to-dos, expenses and diary in one sentence; "pay by Friday" becomes a dated to-do • Card draws: tarot and life decks, with 3-card and 9-card spreads revealed together • Save voice messages to shared albums • Deleting a shared ledger entry also removes its card in the chat • Text and translation fixes in six languages Feedback: Me → Help & About → Support