Lingered: Unsent Letters

For everything you mean to say — and everything you never will.

Lingered is the private place for the messages on your mind. The thank-you you keep meaning to send. The follow-up you owe a friend. The apology you're still working up to. The things you'd tell someone if the timing were right, if the courage were there, or if it even mattered anymore.

Write it down. Let it sit. Send it when you're ready — or don't. That's the point.

Two ways to use it
- Drafts you'll actually send. A reminder to text mom. A reply you keep forgetting. The thank-you on your mental to-do list. Lingered holds them, suggests reminders as you type, and hands off to SMS, iMessage, WhatsApp, or Telegram in one tap.
- Words you carry. The unsent letters. The things left unsaid. Write them out, see what they mean, decide what happens next — without ever pressing send.

Smart intent detection
Type "remind me tomorrow at 3pm to follow up" and Lingered detects it and offers a one-tap reminder — no menus, no extra steps. Same for "burn this in a week" if you want a message to disappear on its own.

AI emotion detection
As you type, Lingered quietly identifies what you're feeling — from love and gratitude to grief, anger, and regret. It uses an on-device AI model that understands 28 emotions. Nothing leaves your phone.

Emotional insights
See patterns in what you write. Lingered tracks your emotional trends over time, shows who you write to most, and offers gentle reflections on what your words might mean. A weekly digest summarizes your emotional week.

For drafts you'll actually send
- Write unsent messages to anyone in your contacts
- Send when ready via SMS, iMessage, WhatsApp, or Telegram
- Smart intent detection — type "remind me in 3 days" or "burn this in a week" and Lingered suggests it in one tap
- Reminders with minute-level precision, one-time or monthly
- 20 writing prompts to help start when words feel stuck
- Home screen widget with message count and a prompt (Android)

For words you carry
- On-device AI detects 28 emotions as you type — adjust it before sending
- English, Spanish, and Filipino — emotion detection included
- Emotional insights: trends, patterns, and gentle reflections over time
- Weekly digest notification every Sunday
- Auto-burn in 1 week, 1 month, 3 months, or 1 year
- Full-text search across all messages and recipients
- Export all your messages as text

Privacy & polish
- 100% on-device — no accounts, no cloud, no tracking
- Biometric lock: Face ID, Touch ID, or fingerprint
- 5 themes: Warm, Clean, Sage, Dusk, and Midnight (light and dark)
- Dynamic Type, VoiceOver, TalkBack, Reduce Motion — WCAG-AA contrast throughout

Your words. Your pace. Your decision.