EXT CO

Developer Info

EXT CO was founded in 2020 in Japan. The first app was launched in December 13, 2020 and they have 1 iOS apps in August 2025

EXT CO is a publisher of SONR app.

HQ Location
Japan
Founded in
December 13, 2020
Last App Updated
11 months ago (September 18, 2024)
Company Website
https://guide.sonr.jp/
Contacts
Unlock

Popular EXT CO apps in 2025

Japan
Name
SONR
社内コミュニケーション「SONR(ソナー)」
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