Second Phone Number Apps in South Korea
South Korea — Business, for consumers. Niche: Second Phone Number App.
Data from the week of 12 Oct 2026, refreshed every two weeks.
score out of 100
- Demand64
70,891 ratings in the US and UK, 0 in South Korea, with a recent top-100 grossing chart place
- Room locally100
0 apps with 50 or more ratings in South Korea
- Language gap98
5 of the top 7 without Korean
- Incumbent weakness8
4.6 stars on average; 1 of 7 not updated in a year
- AI gap100
7 of the top 7 not built around AI
- Momentum—
History building since 19 Oct 2026 — counted as neutral (50) for now
Why this is an opening
The local gap score is 98 and the AI gap score is 100 out of 100. All 7 top apps are non-native, with 0 strong local apps in the top 7. Additionally, 5 top apps lack Korean language support.
The leading apps
Ranked by ratings in the United States and United Kingdom; ratings and stars in South Korea where it has them.
| App | Ratings in South Korea | Ratings US + UK | Stars | Korean | Last update | AI |
|---|---|---|---|---|---|---|
| Second Texting NumberNot in this store | 0 | 65,843 | 4.6 | No | Oct 2026 | No AI |
| Text and Call NowNot in this store | 0 | 3,128 | — | No | Aug 2026 | No AI |
| OnPhone: Second Mobile NumberNot in this store | 0 | 1,337 | — | Yes | Oct 2026 | No AI |
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Start the 7-day trialScored 2026-10-23 with score version 1. How the score works.