Recommended Apps
Below are the apps I most commonly use with students. These all cost a small amount to purchase, but they are definitely worth it!

Note Rush: Learn to Read Music
Note Rush is a fun and effective game for practicing note reading on the music staff to help you learn to play the piano, keyboard, flute, saxophone, violin... you name it! Note Rush shows you one note at a time in random order then uses the microphone to listen as you play through them like you would with note reading flash cards, only these flash cards check that you're playing the right note! Available for Android and Apple devices.
More fun (and useful) music apps

The Piano
This Apple app gives you access to a piano keyboard on the go, or for emergency practice sessions when you just can't get to a piano. No need to pay, the free version is fine.
Musical Instrument Retailers

Sheet Music Retailers
Local Suppliers
Online-only Suppliers - if ordering method books for lessons please allow for a longer delivery time.
Please note: Natalie Chapman Piano Studio is not affiliated with any of the businesses listed above, and links are provided to give you a starting point to explore the music retailers available in the local area. It is by no means exhaustive - if you find a great retailer I haven't listed let me know because I'd love to add them!