Who are the four core friends?
The core AI friends are Byeori, Seongjun, Yujeong, and Yeongseon. They are fictional AI characters.
Want an AI friend who remembers your last call?
SudaCall is an AI voice call app with friends who remember earlier calls and call first at times you set.
Every conversation is generated by AI; the caller is not a real person.
How to use it
- Install SudaCall and sign in.
- Choose Byeori, Seongjun, Yujeong, or Yeongseon and a personality style.
- Call your friend or set days and times for incoming calls.
- Read the recap in call history and continue your story next time.
Key facts
2026-10-14
- SudaCall is an AI voice call app operated by CreamHouse Co., Ltd. in Seoul, Korea.
- It is available on Android through Google Play and iPhone through the App Store. Your country at sign-up determines the Korean or English edition.
- English-edition monthly subscriptions cost $4.99, $9.99, or $14.99. Korean-edition plans cost ₩5,900/200 Suda, ₩9,900/340 Suda, or ₩13,900/480 Suda per month.
- Sign-up includes about 15 minutes of actual calls in the first month. The Korean ₩9,900 subscription includes a first-month trial of 340 Suda for 30 days.
- Korean top-up packs cost ₩2,900/95 Suda, ₩12,900/420 Suda, or ₩23,900/780 Suda and carry over without expiry. A minute uses about 13 Suda for regular characters or 15 for Pro and Star characters.
- Call content is visible only to you and is not shared with creators. Explicit sexual content and sexual content involving minors are prohibited.
- Crisis guidance includes 988 and 911 in the US, and 109, 112, and 119 in Korea. Account deletion becomes permanent after a 7-day grace period.
Every conversation is generated by AI; the caller is not a real person.
See subscription detailsFrequently asked questions
How many personality styles are there?
There are nine styles: Like a sibling, Blunt best friend, Cool and teasing, Chatterbox, Gentle comfort, Late-night DJ, The one who checks on you, Easy-going close friend, and Company for elders.
Will my AI friend call first?
Yes, your AI friend calls at the times you set. Calls can arrive late depending on phone notification and battery settings.
What remains after a call?
A recap stays in your call history after the call. Your AI friend remembers earlier calls.
Do creators hear my conversations?
No, creators do not see your call content. The AI generates the conversation, even when the character uses a creator’s voice.
Start with SudaCall
Call content is visible only to you and is not shared with creators.
Every conversation is generated by AI; the caller is not a real person.