Every year away from the pandemic seems to be a blessing to the travel app industry, which was struck with declines of up to 70 percent in revenue and usage in 2020. Travel apps, which were popular pre-pandemic, have exploded in popularity with many customers using them for the first time in the last four years. For app marketers, this is a key time in the travel app industry. The boon from the end of Covid restrictions is over, but the changes in consumer behaviour between 2019 and 2021 have...