FAQ

A feature for practicing Korean by talking with AI characters for each theme and situation.

Besides voice input with the microphone, you can also type on the keyboard. During a conversation you can ask questions in Japanese and check corrections.

Training where you translate a Japanese sentence into Korean, and the AI tells you whether it is correct and gives feedback.

You do not have to take the lessons in order. Start with any lesson you like. You can review the questions you got wrong all at once from "Review weak points" on the Home screen.

Listen-and-repeat lessons where you follow guidance in Japanese, listen to Korean phrases and say them out loud to memorize them.

You can open the list from "Audio" in the learning menu on the Home screen.

On the Free plan, you can listen to Beginner Lesson 1. Other lessons are available on the Premium and Premium Plus plans (they cannot be unlocked with tickets).

"Learning history" on the Home screen shows the conversation materials and grammar lessons you worked on recently, newest first, so you can resume right away.

The top of the Home screen shows your total study time and learning streak. Tap this card to open the study calendar, where you can see the days you studied and the materials and time for each day.

A day counts as a study day if you answer one grammar question, speak once in a conversation, or finish listening to one audio training lesson.

Your learning record is saved on our server. If you link your Apple Account in Settings, you can keep your record after changing devices or reinstalling the app.

Free plan: Study the free grammar lessons, and unlock other lessons for 7 days with one ticket each. AI conversations use one ticket to start and one ticket to extend. In audio training, you can listen to Beginner Lesson 1. Banner ads are shown in the app.

Premium plan: Study every grammar and audio training lesson and have AI conversations, all without tickets. Banner ads are shown in the app.

Premium Plus plan: Includes everything in Premium and removes in-app banner ads.

On every plan, an AI conversation lasts 20 minutes and can be extended once.

Tickets are items used on the Free plan. They unlock grammar lessons and are used for AI conversations.

Grammar: Unlock a lesson that is not free with one ticket, and you can study it as many times as you like for 7 days.

AI conversation: Use one ticket to start a conversation and one ticket to extend it.

Tickets cannot be used for audio training. Lessons other than Beginner Lesson 1 are available on the Premium and Premium Plus plans.

You can check how many you have under "Tickets" in the Settings tab. On the same screen, you can get more by watching videos (up to 3 per day) or by purchasing them (3 or 10 tickets).

You do not need tickets on the Premium and Premium Plus plans.

Grammar lessons unlocked with a ticket are available for 7 days from the time they are unlocked. After that, they are locked again automatically.

To continue after access expires, use another ticket or consider the Premium plan.

You can use the app without linking an account, but if you link your Apple Account, you can keep your tickets and cloud data after changing devices.

Sign in with the same Apple Account on your new device to restore your tickets and supported cloud data.

Even if you reinstall after changing devices, you can restore your subscription as long as you are signed in to the App Store with the same Apple ID.

Open the subscription screen from "See plans" in the Settings tab and tap "Restore" to check and apply your latest subscription.

App Store subscriptions are managed by Apple's payment system, so you cannot cancel directly from within the app.

Open the iPhone Settings app > Apple ID > Subscriptions, select SudaAI, and proceed with cancellation. See Apple's official guide below for details.

If you need to cancel a subscription from Apple

Your tickets and learning record are saved on our server. If you have not linked your Apple Account, you may not be able to keep your tickets and learning record after deleting the app. Link your Apple Account in Settings before deleting the app.

To use voice input, allow SudaAI access in the iPhone Settings app > Privacy & Security > Speech Recognition.

Also allow microphone access and restart the app, and you will be able to answer by voice and use conversation training.