With Mobile Convolution reverb, Liquidsonics gets into the iOS apps market.
Mobile Convolution is designed to be used in other music apps via Audiobus or the inter-app audio feature. The app includes a collection of Response Impulses but you can import your own IRs via your mailbox, Safari, Dropbox or direct download.
Once chosen your IR, you can stretch it, crop it and even apply envelopes.
Mobile Convolution is available at the AppStore for iPhone/iPod Touch and iPad, with a price of 8.99€ / $9.99.