Signum International
Developer Info
Signum International was founded in 2014 in Switzerland. The first app was launched in May 15, 2014 and they have 19 iOS apps in October 2025
Signum International is a publisher of EF Hello英文口說：AI聊天學習單字聽力，練習英語文法 app and other apps in Education, Travel, Business categories.
- HQ Location
-
Switzerland
- Founded in
- May 15, 2014
- Last App Updated
- 2 days ago (October 6, 2025)
- Company Website
- http://www.ef.com
- Contacts
- 4 emails found
Popular Signum International apps in 2025
Switzerland
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