Built to Help You Communicate
Explore every feature Leslie offers — from speech amplification to group calling and beyond.
Get started on your journey now!
Leslie listens to your voice — even whispered or impaired speech — and repeats it clearly and loudly through your phone speaker or Bluetooth device. Powered by Whisper AI, the same technology used by leading tech companies for speech recognition.
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✅ Works with Bluetooth headsets and speakers
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✅ Adjustable pause duration (0.5s to 7s)
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✅ Adjustable speech speed and pitch
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✅ Choose from multiple voices (male/female)
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✅ Works completely offline — no internet needed
Speech Amplification
AAC Phrase Builder
Build sentences word by word from over 680 built-in words across 10 categories. Tap a letter to see all matching words or phrases, use quick phrases for common responses, or type custom messages. Everything you need to communicate without speaking.
✅ 680+ words organized A-Z and by category
✅ 10 categories: Greetings, Feelings, Needs, Medical, and more
✅ Quick phrases — one tap for "Yes", "No", "Help me"
✅ Recent phrases history — reuse what you said before
✅ Add your own custom words, phrases, and categories
✅ Type or edit phrases directly with the keyboard
Say "Leslie" followed by any command to control the entire app hands-free. No buttons needed — just your voice. Multiple wake words accepted including "Hey Leslie", "OK Leslie", or just "Leslie".
✅ Navigation: "Go home", "Start talking", "Phrase builder"
✅ Calling: "Call Mom", "Call 555-1234"
✅ Weather: "What's the weather", "7 day forecast"
✅ Controls: "Louder", "Slower", "Repeat"
✅ Time: "What time is it", "What's the date"
✅ Scroll up/down works without any wake word
50+ Voice Commands
Speech Amplification 680+ Built-in Words Voice Commands Phrase Builder with AAC Phone Call Text Messaging Group SMS Messaging Group Conference Calling 7-Day Weather Forecast Real-Time Translation Bluetooth Headset Support Custom Word Corrections Quick Phrases — One Tap Hands-Free Navigation Call by Voice Adjustable Speech Speed Works Offline Floating Overlay Multiple Wake Words Category-Based Phrases Recent Phrases History Volume Control by Voice Speech Amplification 680+ Built-in Words Voice Commands Phrase Builder with AAC Phone Call Text Messaging Group SMS Messaging Group Conference Calling 7-Day Weather Forecast Real-Time Translation Bluetooth Headset Support Custom Word Corrections Quick Phrases — One Tap Hands-Free Navigation Call by Voice Adjustable Speech Speed Works Offline Floating Overlay Multiple Wake Words Category-Based Phrases Recent Phrases History Volume Control by Voice
Phone & Group Calling
Make calls by voice or from your contacts list. During calls, Leslie sends your phrases as text messages so the other person can read what you want to say. Group calling lets you conference multiple people and text everyone at once.
✅ Call contacts by voice or by searching
✅ Send text messages to the caller during a call
✅ Group calling — calls first member, texts others to join
✅ Group SMS — send one message to all members
✅ Floating overlay with Yes/No/Help quick buttons
✅ Automatic caller detection
Check current conditions, hourly forecasts, or the full 7-day outlook — all by voice or swipe gestures. Uses your GPS location for accurate local weather powered by Open-Meteo. No API key required.
✅ Current weather with feels-like, wind, humidity, UV
✅ 12-hour hourly forecast
✅ 7-day forecast with full details
✅ Swipe gestures on Home page
✅ Voice activated: "Leslie weather"
Built-in Weather, Date & Time
Fully Customizable
Every aspect of Leslie adapts to your needs. Adjust how long Leslie waits for you to finish speaking, how fast it talks back, which voice it uses, and which speech recognition model works best for you.
✅ Pause duration: 0.5 to 7 seconds
✅ Speech speed: 0.5x to 2.0x
✅ Male and female voice options
✅ Word corrections for common misheard words
✅ Three speech models: Small (fast), Medium (accurate), Cloud (Best for impaired speech
✅ Fast Mode toggle for quick conversations
✅ Custom word additions and personal dictionary
✅ Real-time translation between languages
✅ Set separate voices for "My Voice" and "They Hear"
✅ Floating overlay — minimizable, draggable, al ways accessible
✅ Works on phones and tablets with landscape support
Ready to Be Heard?
Download Leslie today and start communicating with confidence.
Leslie
"You can hear me now"
Speech assistance for everyone.
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© 2026 Leslie Speech Assistant. Built with ❤️ for accessibility.