Bottom Line: Piiig Labs takes a fresh and easy approach to introducing science to young learners. The tasks are easy for young users to accomplish by simple shape matching and tinkering, while the virtual tasks such as building a light switch or a baking soda volcano are interesting enough to spark further interest in learning about science.
Bottom Line: A comprehensive expressive language app good for speech-language pathologists, useful for all ages. The data collection and content make it a good buy, and a free version (with one deck free) allows the user to try it before committing to the full price. **On sale 20 percent off through Dec. 28.**
Bottom line: A highly engaging app that will make users forget they are practicing monotonous multiplication facts and focus on the adventure of taking out the Ignarus and finding the seven ancient wonders of the world. The skills are aligned with Common Core Standards, and they build upon each other, making each level a little more difficult than the last.