Square Wallet 2.5.1 (Free) - Square Wallet, once linked to a credit or debit account, lets users pay either by scanning a QR code or just saying their name. Version 2.5.1 makes it easier to send a gift card by letting users scan a receipt. A new tutorial on gift card sending to other Square Wallet users is now included, along with various bug fixes and performance improvements. [Download - 7MB]

Yelp 6.5.1 (Free) - Business-rating app Yelp now offers up to 500 characters for mini-reviews (up from 300), and also implements a review search box in the "More Reviews" section so that users can search reviews on specific terms. The previous 6.5 update added iPad improvements, social check-in updates, just opening or about-to-close warnings and swipeable photos. [Download - 18.2MB]

Expedia 3.0 (Free) - Version 3.0 of Expedia for iPhone (and Android) brings itinerary timelines and a simplified checkout process. The app now also adds flight booking in Spain, Sweden, Australia and the Netherlands (on the iPhone version only at present) and makes it easier to select dates for multi-night hotel stays and roundtrip flights. [Download - 20.2MB]