You can't read the books on the app, but it does link out of app, and allows you to share titles with friends and suggest titles you think should be. We've put together our 10 favorite book and reading apps for iOS. The best part is they're all free — and guaranteed to be the new obsession of every bookworm. Look Under The Hood of Shopify's Best Booking App. Industry-leading reservation management technology, built especially for Shopify. WHISPER- QUIET.