The main drawback of BikeCompanion, or GPS cycling apps in general, compared to a physical bike computer, is battery life during your rides.
Today, on recent high-end smartphones (such as the Samsung Galaxy or iPhone), you can record activity over 9 hours.
However, there can be big differences with less recent or lower-range smartphones.
Additionally, external factors like cold weather or lack of network coverage can drain and deplete the battery quickly.
If you have the problem of limited autonomy when you ride, then a simple and inexpensive solution is to purchase an external mini-battery.
If you want an optimal solution to forget all battery concerns, opt for:
This affordable solution will guarantee sufficient battery life for all your rides, regardless of their duration.
There are also bike mount that directly integrate external batteries (induction or wired), as shown here.
or lamps with large built-in batteries and a cable to connect them to the phone, as shown here.
With integrated lamps and batteries , as shown here
If you want tips to optimize the battery with BikeCompanion, you can read this article