Signum International AG

App Store publisher on AppTrack Ninja.

Portfolio includes:

• Clued: Learn how to adult
• EF Activity Leader
• EF Homestay
• EF Language Abroad Events
• EF Adventures
• Cultural Care - Au Pair
• Cultural Care - Host Family
• EF Ultimate Break
• EF Campus Connect
• EF Events
• EF Campus Learning
• EF Traveler