
The app offers news from the Conservative campaign, a guide to all the party’s key policies, and a mechanism to make party donations.
Users of the app will also be able to canvas their friends on their voting intentions and report back to the party.
Tory leader David Cameron’s webcam videos are available, as well as Twitter updates and a virtual swingometer, which will show seats won and lost as the election results come in.
Jeremy Hunt, shadow culture secretary and spokesman for online campaigning, said: "This iPhone app will help both existing supporters and floating voters learn more about our policies, connect with us on social networks and share political news with their friends."