Language
Speak the language
Phrases with phonetics and audio, alphabets, numbers, common signs.
Arrive knowing, explore confidently
A curated travel companion for people who plan before they travel. Language, culture, currency, and everything else you'll need — for every country, offline.
See what's inside →
Coming soon to the App Store
The home-screen companion
Set your country. The widget carries the rest.
Today's exchange rates. The time at home and locally, side by side. One tap to phrases, one tap to the local apps you'll actually use, one tap to the country itself. For a lot of travellers, the widget is where most days start and end.
See what's inside →
Six sections, every country.
Every country in CSK is organised the same way. Learn the structure once, and it works the same in Tokyo as it does in Athens.
Heritage
Know the country
History, culture, key facts, and the context that shapes it.
Explore
Discover where to go
Top destinations, transport, and interactive maps.
Food & Drink
Eat like a local
Must-try dishes, menu decoder, drinks guide.
Trip Essentials
Travel smart
Weather, money, connectivity, emergency and health.
Quick Reference
At a glance
Time zones, tipping, emergency numbers, and consulates.
Built for considered travellers.
Travel apps assume you'll figure it out on arrival. CSK is built for the other kind of traveller — the one who wants to know what they're walking into.
Each country goes through the same editorial process — researched, verified, and edited before it ships. When you land in Athens, the app already knows which taxi apps actually work there, which local dishes to order first, and what time it's socially acceptable to call home.
Every country reads in an evening. Deep enough to arrive prepared, tight enough that you actually finish it.
Offline by default. One app, not ten. Editorial standards, not filler.
Every country earns its place.
Each entry is researched, verified, and edited before it ships — no thin countries, no filler. Europe, Southeast Asia, and East Asia are live today, and each region is growing. New regions launch next.
Europe
— live, growing- Albania
- Austria
- Belgium
- Bosnia and Herzegovina
- Croatia
- Czech Republic
- France
- Germany
- Greece
- Hungary
- Ireland
- Italy
- Netherlands
- Portugal
- Romania
- Spain
- Switzerland
- Turkey
Southeast Asia
— live, growing- Cambodia
- Malaysia
- Philippines
- Thailand
- Vietnam
East Asia
— live, growing- Japan
- South Korea
Coming this year
Americas · South Asia · Oceania · Middle East & Africa
Nothing ships until it's ready.
One price. Every country.
Start free with a whole country, not a trial. Unlock the rest when you're ready.
Free
[FREE-TIER: TBD — Dave to confirm]
There's a free tier, and it's a whole country — not a trial, not a teaser. [FREE-TIER: which countries are free — and whether they rotate — is not decided. Do not name countries here until it is.]
Everything
[PRICING: TBD — Dave to confirm]
All 25 countries, and every country added after. Available as a subscription or as a one-time unlock. [PRICING: both tiers pending — subscription price and one-time unlock price still to be decided.]
No ads. No tracking. No account. Purchases are handled by Apple, and you can cancel a subscription any time from your iPhone's Settings.