Here are some of the latest apps available at the Apple App Store for the iPhone, iPad and iPod touch.

Polwarth Medical has announced Cranial Ultrasound. It's an US$1.99 educational quiz app designed to help medical professionals brush up on their neonatal cranial ultrasound interpretation skills.

Paragon Software Group has released the Oxford Learner's Thesauraus. The $29.99 app is designed to help with understanding the differences between similar words in written and spoken English enabling learners of English to enrich their vocabulary and to find the right words to say exactly what they mean. Each entry has a group of 3-10 synonyms with the meaning clearly explained, together with additional help with, for example, grammar and register.

2camels Publishing has launched Veggoagogo. It's a $2.99 travel translation app for vegetarians. It addresses many of the needs that the traveling vegetarian faces on a daily basis, from locating a restaurant,  choosing suitable items from the menu and more. The user simply chooses a question from Veggoagogo, then selects the appropriate language and taps the translate button.