What Langdogu plans to charge, written down before anything is for sale, so you can decide early whether it is fair. Every price on this page is planned.
Nothing is on sale yet.
The first beta runs without payments. There is no checkout and no waitlist. Prices are in US dollars, before tax.
The learning is the same in every plan. You only choose where your record lives.
$0Free forever
Langdogu on your own device, or on your own PC, NAS or server.
Self-hosting is in development. A local mode without an account is planned.
How self-hosting works$0Free
Sync and backup across your devices, run by Langdogu.
Its exact limits are published before any paid plan starts.
$8per month
The paid plan of the managed cloud.
The exact Plus limits are published before any paid plan starts.
Only if you use AI through Langdogu. Every request shows what it cost. Self-hosters with their own key pay their provider directly instead.
provider’s cost× 1.3
Shown on every request
Move the slider to set what AI would cost the provider in one month. Each dot is 10 cents of the $3 cap.
You would payof your $3.00 cap
$1.20 × 1.3 = $1.56
Under the cap. You pay only for what you used.The cap is reached at $3.00. Nothing tops up automatically.
Reading, reviewing and exporting what you already have keep working either way.
Cancelling a paid plan or hitting a limit never blocks reading, reviewing or exporting what you already have.
A full JSON backup that keeps everything, and Anki files with your expressions and their sentences.
Running Langdogu locally or on your own server stays free. AI is never free: someone pays the provider, and with your own key that is you, directly.
Nothing to Langdogu. The one product that is live today works like this.
Firefox Add-ons marks it Experimental and as requiring non-free services or additional hardware.
No. Nothing is on sale and there is no checkout. The first beta runs without payments.
No. It is the default cap on what managed AI may cost you in a month. If you use no AI, you pay nothing for AI.
Every AI request costs money at the provider. Langdogu bills it at the provider’s cost × 1.3 and shows the cost of each request, instead of hiding it inside a plan.
There is no automatic top-up. Everything you already have stays readable, reviewable and exportable.
The exact limits are not set yet. They are published here before any paid plan starts.
No. Self-hosting is free forever. If you use AI with your own key, you pay your provider directly and Langdogu adds nothing.
There are no dates. This page changes before anything does.
There is no waitlist form. Write to [email protected] and ask to hear when it is ready.
Tell me when it’s ready