10 of the best instant gadget hacks

5. Control your home ents with your iPhone
Fed up of trying to work out whether your remote has conked out or just needs new batteries? The Voomote One app (and sleeve, priced £60) turns your iPhone into a universal remote control which can be set up to work with your TV, DVD or Blu-ray player and Hi-Fi. Android users with an Onkyo home network system can download Onkyo's free Remote app.