Pre-Departure
Visas, vaccines, SIMs, plugs — every box ticked before you fly.
Translate on the fly, find embassies, convert currency, and ask for help in any language — with a pocket-sized AI guide walking alongside you, wherever you wander.
One ID syncs your phrases, settings & AI key across every device — live.
London. Paris. New York. Wherever next — your AI walks with you.
It's the first travel app where an AI agent actively supervises your trip in real time, with a planning engine that re-plans from your current GPS location and curated local knowledge for 50+ countries — all running on your own API keys.
Visas, vaccines, SIMs, plugs — every box ticked before you fly.
AI-built packing list tuned to your destination, weather and trip length.
Scan once — stored securely for borders, hotels and check-ins.
Essential travel phrases, ready before you land.
Download top phrases for the plane and dead zones.
Estimate food, transit, lodging & taxes before you go.
Invite by link or trip code — share live itinerary, location and expenses with your group.
Group leaders share a code; members request to join with owner approval.
Search hotels, hostels and rentals across Booking, Expedia, Airbnb & more — pre-filled with your dates.
Scan boarding passes, see your next flight at a glance.
Your trip timeline, with destination time always on hand.
Typical security waits at major airports.
Airport map, border, bags & cab — step-by-step the moment you land.
Packing, pre-departure, receipts and itinerary in one timeline.
Restaurants, ATMs, pharmacies, embassies — at a glance.
Ask the way, say you're lost, find the map.
Taxis, metro, tickets — no awkward miming required.
Know what a taxi or rickshaw should cost before you climb in.
Plugs, voltage, SIMs & eSIM info for your destination.
Gas, EV charging, rest stops & scenic routes.
Land somewhere new — the app sets your language for you.
Two-way voice translation in 100+ languages.
Save the lines you actually use, synced across devices.
Point your camera at a menu and read it instantly.
Snap a menu and filter by allergies, vegan, halal, gluten-free & more.
Tipping, customs, dress code & taboos so you fit right in.
One-tap phrases for food, transport, directions & emergencies.
Point your camera — get the story behind any monument or sight.
Search tours, skip-the-line tickets and day trips across GetYourGuide, Viator, Tiqets & Klook.
Order, pay, and flag allergies with one tap.
Iconic local foods worth tracking down, with how to order.
Park info, alerts, fees & passes at your fingertips.
Sunrise, golden hour & live air quality wherever you are.
Plan around public holidays and what's closed when.
Flip between Domestic and International — every tile adapts to where you are.
Live rates, tip math, and clear conversions on demand.
Snap receipts, auto-categorize spend, export at the end of your trip.
Log gifts and keepsakes — who they're for, what you spent, where to find more.
Real U.S. State Department alerts for your destination.
One tap to your home country's nearest mission.
Police, doctor, help — instant phrases when it counts.
Quick voice or text notes, pinned to the day and the place.
Your photos, places and spend stitched into a shareable journal.
Ask Gu anything — it remembers your trip, your preferences and where you are.
Twice-daily nudge with weather, what to wear, and a warm note from Gu.
Every panel and AI tool is free to use. Bring your own AI key for unlimited use — otherwise the built-in AI just works.
Let's Go runs on your AI key from Google Gemini, OpenAI, or Claude. No subscription on top of the app. Most travelers spend pennies per trip — and Gemini has a free tier, so you can start without a credit card.
Sign in with Google → Create API key. Done in under a minute, no card required.
Create a secret key (sk-…). Add a small balance — typical traveler spend is well under $1/month.
Create a key (sk-ant-…). Top up a few dollars and you're set for many trips.
Already have a key? Sign in, open Settings → AI engine, paste, tap Test connection.
Google, Apple or email — your data follows you across devices.
60-second setup: paste a key from Google Gemini (free tier), OpenAI, or Claude. We test it for you.
Land anywhere — the app auto-detects your country and language.
Let's Go is a Progressive Web App — no app store, no download wait. It opens fullscreen and works offline once installed.
Send the link, scan the QR, or post it anywhere.
It's free to install and free to share. Friends only need their own AI key (Gemini has a free tier).