Sidrah puts real salaah times, announcements and janazah notices in the community's pocket, on the masjid's wall screen, and on a printed QR poster - as one source of truth. We never charge the masjid. We never charge the donor. Not now, not ever.
That only holds because people who believe in it carry the cost of running it - the servers, the screens, the quiet work of keeping every masjid connected. A small gift from you keeps Sidrah free for a masjid that could never pay for it.