![Bastien [Interval] Flashcards app icon](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/74/9f/88/749f8866-6057-7043-1df1-19b6f7492805/AppIcon_Interval-0-0-1x_U007emarketing-0-0-0-7-0-85-220.png/512x512bb.jpg)
About this app
Easy and Fun! The Bastien Interval Flash Cards App is designed to help students learn Intervals, as easily as possible. Based on the best-selling "Bastien Music Flashcards" which have helped millions of piano students worldwide learn their Intervals. Learn more about Intervals! **Features** :The game is broken into progressive levels, allowing users to master one level at a time. :There are three parts, 1) Recognizing Intervals - Answer the degree of number 2) Matching Intervals - Select the matching card 3) Play the Intervals - Play the Intervals with your piano :Monitor your progress with scores and rankings. Optional registration for a free account to record your ranking for each game, your total score, and your best scores, then compare those with users from abroad! Delightful illustrations that kids will adore. Students of all ages will love learning their Intervals!
Latest release
What’s New
Change the icon.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 1, 2026 · 3:13 PM $2.99
Screenshots
![Bastien [Interval] Flashcards iPhone screenshot](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/a7/7e/d8/a77ed820-8517-9084-2404-38074e99a415/pr_source.jpg/392x696bb.jpg)
![Bastien [Interval] Flashcards iPhone screenshot](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/d7/73/0a/d7730a1c-42da-b179-edd8-4289033cf01d/pr_source.jpg/392x696bb.jpg)
![Bastien [Interval] Flashcards iPhone screenshot](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/0a/87/6e/0a876eab-ea06-3843-6cdf-448e0c5d356e/pr_source.jpg/392x696bb.jpg)
![Bastien [Interval] Flashcards iPhone screenshot](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/91/e4/9f/91e49fb5-7f6a-2d28-8c53-d878aaca0388/pr_source.jpg/392x696bb.jpg)
![Bastien [Interval] Flashcards iPad screenshot](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/e9/5b/e9/e95be99b-f4f1-af13-bea3-9f742e7f4441/pr_source.jpg/552x414bb.jpg)
![Bastien [Interval] Flashcards iPad screenshot](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/8a/4e/34/8a4e34bb-6f4e-2d27-0b0b-8f5f97096f5d/pr_source.jpg/552x414bb.jpg)
![Bastien [Interval] Flashcards iPad screenshot](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/b8/ea/dd/b8eaddef-b232-515e-77c1-9105808b6210/pr_source.jpg/552x414bb.jpg)
![Bastien [Interval] Flashcards iPad screenshot](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/62/ed/20/62ed2063-9ca2-e2eb-5e37-d00f3db5b796/pr_source.jpg/552x414bb.jpg)