Since this app deal has been posted here a lot over the years and are quite popular this may be of interest to a few people.
INFORMATION ON ULMON USER ACCOUNT DATA BREACH
Breach: Ulmon
Date of breach: 26 Jan 2020
Number of accounts: 777,769
Compromised data: Bios, Email addresses, Names, Passwords, Phone numbers, Social media profiles
Description: In January 2020, the travel app creator Ulmon suffered a data breach. The service had almost 1.3M records with 777k unique email addresses, names, passwords stored as bcrypt hashes and in some cases, social media profile IDs, telephone numbers and bios. The data was subsequently posted to a popular hacking forum.
Check here:
https://haveibeenpwned.com/