Sogda
Learn German, A1 → C2
Learn German, one clear day at a time.
- 5,142 words
- 182 grammar topics
- 3 mock exams per step
- EN · বাংলা · RU · PL
sogda.de →Coming soon to Google Play
Karvoro · private apps · since 2026
Everything travels with you. Nothing leaves.
We build phone apps that do real work — learn a language, scan and sign, translate, read aloud — entirely on your phone. No account. No uploads. Fair, one-time prices.
- Sogda
- Dokulo
- Kegelo · building
- 0 Bof your data needed to do the work
- 0accounts to create, in any app
- 2Karvoro apps, more on the road
- every core feature works in airplane mode
01 · Karvoro apps
Two apps on the road. Each one carries its own load.
Dokulo
PDF toolkit and scanner
All your PDF tools. Nothing uploaded.
- 30 tools
- A real scanner
- Ask your PDF, offline
- Pro €9.99 once
dokulo.com →In closed testing
02 · Next stops
The road ahead is long, and it's sunny.
Every new app reuses the engine the others built, so each one starts further down the road.
- Building now
Kegelo
Pelvic-floor training with voice guidance and gentle animation. Two editions, for men and for women.
- In design
Letter helper
Photograph an official German letter. Understand what it asks, by when, and what to reply.
- On the horizon
Citizenship-test trainers
Einbürgerungstest, Life in the UK and US civics — with a deadline in mind.
- On the horizon
More on the road
A reader that reads like a person, an offline travel translator, an ingredient scanner, voice notes that become tasks.
03 · Code of the road
Six rules every Karvoro app keeps.
- 01
It runs on the phone.
Your documents, words and voice are processed on the device. Nothing is sent to us to do the work — not a page, not a word.
- 02
No account. Ever.
Open the app and start. There is nothing to sign up for and no password to forget.
- 03
Fair prices.
A useful free core, one-time unlocks, and a lifetime option wherever there's a subscription. No trials that quietly bill you.
- 04
Every language equal.
English, বাংলা, Polski, Русский — no language gets second-class care, and more are coming.
- 05
AI you switch on.
The AI in our apps is small, runs on the phone and is downloaded only when you choose. It reads what you open — nothing else.
- 06
Check, don't trust.
Read our store privacy labels. Turn on airplane mode. This website sets no cookies. Proof beats promises.
04 · The Karvoro engine
One engine on the phone. Every app rests here.
Every Karvoro app is built on the same on-device kit, so each new one starts further ahead.
Read
Finds page edges, recognises text in scans and photos.
Used by: Sogda · Dokulo · Letter helper · Next apps
Translate
Translation models that run on the phone, with no connection at all.
Used by: Sogda · Dokulo · Next apps
Speak
A natural voice that works with no signal at all.
Used by: Sogda · Kegelo · Next apps
Think
Small open language models that answer from what you opened.
Used by: Sogda · Dokulo
Remember
Spaced repetition that brings things back just in time.
Used by: Sogda · Test trainers
05 · The name
Karvoro
From kārvān · Persian for a company of travellers moving together
Karvoro takes its spirit from kārvān, the Persian word that gave English its caravan and German its Karawane: people who travel together and look after each other on the way.
Our first app is named after the Sogdians, the merchants who led caravans across the Silk Road and carried goods, languages and paper-making between East and West.
We carry the same idea: useful things, carried by you, safe the whole way.
Join Karvoro. Bring nothing but your phone.
Google Play · coming soonApp Store · coming soon