Stumped by ‘Grindr and Tinder, for two’ in this crossword?

Stumped by ‘Grindr and Tinder, for two’ in this crossword? - APPS
Grindr and Tinder, for two

1. Mobile applications
2. Social networking platforms
3. Online dating services
4. Smartphone software
5. Used for meeting new people
6. Location-based matching
7. Swipe left or right
8. Profile pictures
9. Messaging features
10. LGBTQ+ inclusive platforms

APPS