Mobile wallet vs. card vs. cash
Mobile wallets are usually the most practical option for day-to-day travel payments because they match how many real-world transactions happen in China: scan, confirm, and move on. They are the best fit for quick-use scenes such as coffee, breakfast, convenience purchases, taxis, and other short transactions where delay is awkward.
Bank cards can still matter as a backup, but they are not the safest plan to depend on for every small purchase. Even when a card is theoretically accepted, it may not be the fastest or smoothest option in the moment.
Cash is useful only as a limited backup. It can reduce risk if your phone battery dies or your wallet fails, but it is not the best primary strategy if your goal is smooth travel across multiple everyday scenes.
One wallet vs. multiple wallets
Using multiple apps sounds safer, but for many travelers it creates a different problem: more setup steps, more verification points, and more chances to assume something is ready when it is not. If you are short on time, one verified primary wallet plus one backup method is usually better than trying to prepare everything at once.
General setup vs. scene-by-scene readiness
A wallet that appears ready at home is not the same as a wallet that is ready for real use. The more useful comparison is this:
That difference matters because travelers usually do not fail at downloading an app. They fail when they first try to pay in a live queue.