Got an iPhone or iTouch? There's a whole range of wedding-related apps for your gadget, including iWedding (£4.99), which has to-do lists, photo features and a budget assistant. Can't make up your mind on your big-day colour scheme, or don't know what shoes to choose? Download My Wedding (£2.39) which has a 'wedding decider' that you can spin to make decisions. Check out the iGuide to wedding etiquette (£1.99) and get in shape for your big day with all manner of fitness and weight-tracking applications. And for your honeymoon? Get travel guides, phrasebooks and currency converters - and before you go, preload your gadget with songs and films so you can tune in while you're away.