Web portal can be used for these purposes.
1. Allow user to use Browser (Chrome or Safari) on PC / Mac to access ATracker data.
2. Sync ATracker data among iOS / Android / Web platform. We have sync via Dropbox for iOS device, but as we used a third-party component for Dropbox sync API, it is not possible for us to expand it to support Android.
3. It is easier for user to enter task data and export data on PC / Mac.
4. Preparation for incoming business version of ATracker for organisation.