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Opening the app: the registration reality

The moment you open Sintra a Correr, you are faced with a simple question: are you registered for the trophy? The app does not greet you with a tutorial or a flashy intro. It shows a registration form. That is the first screen. You enter your name, your club, your category. The app is built around the athletics trophy that takes place in the municipality of Sintra, Portugal. The trophy brings together most of the road running events in the area. The app is the official tool for managing participation. But the opening experience is not about exploring features. It is about filling in fields. One user reported that they used the app successfully in the previous year, but then suddenly could not access it anymore. Another user said the app stopped working and got stuck trying to update. So the first moment is not a smooth welcome. It is a moment of hoping the registration goes through and the data saves correctly. The app requests permission to access your location. That is for GPS tracking during races. If you deny that permission, the app still works for calendar and results, but the tracking feature is disabled. That is the reality of the first few seconds: you are registering, granting permissions, and hoping the app does not crash.

When the calendar and the GPS work against each other

The calendar is one of the main features. It shows all the races in the trophy. You can see the date, time, and location of each event. The app also allows you to query results from past races. That is useful for tracking your performance. But here is where the design creates a problem. The app uses GPS in the background to track your runs. The iOS app description explicitly notes that "continued use of GPS in the background can drastically reduce battery." That is a significant trade-off. If you are running a long race, say a 24-hour event or a half marathon, the GPS will drain your phone's battery quickly. You might finish the race with a dead phone. That means you cannot check results or take photos. The app does not warn you about this during registration. It simply asks for location permission. The calendar shows the race schedule, but it does not integrate with the GPS tracking in a seamless way. You have to manually start tracking before the race. If you forget, you lose that data. This is the original analysis point: the app's own features clash with each other. The calendar is meant to help you plan, but the GPS tracking can ruin your race-day experience if you are not careful. One user complained about the distance of the races being incorrect, which suggests that the GPS data might not be accurate either. The app is a tool for the trophy, but it does not fully solve the problems that runners actually face.

The real-world performance: updates, bugs, and silence

Performance is where the app shows its age. The latest version on the Google Play Store is 3.0.1, but some sources mention a version 3.2.1 from 2016. That is a gap of several years. The changelog simply says "Correções e melhorias" (Corrections and improvements). That is a generic phrase that does not tell you what was actually fixed. Users have reported that the app stops working after a while. One person said they could not access the app at all, receiving a message about an update that never completes. Another user noted that the app stopped working after a certain date. These complaints are from the Apple App Store, but the Android version likely has similar issues. The app requests a number of permissions: location, storage, and notifications. That is a lot for a simple registration and calendar app. The app also has a feature for viewing results, but it is unclear how often that data is updated. The municipality of Sintra organizes the trophy, and they likely update the results manually. That means there could be a delay between the race finishing and the results appearing in the app. The app is free, which is a positive, but the lack of updates and the generic changelog suggest that the app is not a priority for the developer. The developer is Edubox, but the app is published by the municipality. That split might explain why updates are slow.

What the background GPS permission actually means for your battery

The GPS permission is a critical detail. The app uses GPS in the background to track your runs. That is a standard feature for running apps, but it comes at a cost. The iOS app description warns that "continued use of GPS in the background can drastically reduce battery." That warning is not present on the Android version. So Android users might not realize the impact. The app also requests permission to access storage and send notifications. That is for saving race data and sending reminders. But the background GPS is the most battery-intensive feature. If you are running a marathon, your phone might die before you finish. That would leave you without a way to track your pace or distance. The app does not offer an option to use GPS only during the race. It runs in the background constantly. That is a design flaw. The app also does not provide a way to export your GPS data. So even if you track a race, you cannot easily share it with other apps. The version 3.0.1 APK is only 9.01 MB, which is small, but that does not mean it is efficient. The lack of updates and the generic changelog suggest that the app is not being actively maintained. The last update appears to have been in 2016, based on some sources. That means the app is several years old and may not work well on newer devices. The background GPS permission, combined with the lack of updates, means that users should be cautious about relying on this app for race tracking.