便利で楽しい！
とにかく面白い！電卓なので、いつでも使えるとのこと。さらに楽器の音が鳴るので、楽しく計算できます。音を止めたい時は、音量を下げて使えることが分かりました！楽しいですよ〜！
音楽を演奏しているように
子供たちは音楽を演奏しているように、色々押して楽しんでいます。
子どもがぐずった時に助かる！
子どもがぐずった時に助かる！
Archived App (Last seen on 17 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
This free utility app transforms a calculator into a musical instrument. Each number key plays a different instrument sound, making learning numbers and basic calculations fun for children. It's designed for parents to use with their kids, fostering an interest in both music and math.
✓Plays 11 different instrument sounds
✓Interactive number keys
✓Simple calculator functionality
✓Encourages math and music interest
✓Parent-child interactive learning
Show original description
What's New in 計算機
1.1.8
January 20, 2026
-軽微な修正を行いました。
User reviews
Developer apps
FAQ
Does Calculator Instrument App have ads?
Yes, Calculator Instrument App contains advertisements. This allows the app to remain free for users to download and enjoy.
What is the age rating for Calculator Instrument App?
Calculator Instrument App has an age rating of 4+. It is designed to be suitable for young children and can be used interactively with parents.
What devices does Calculator Instrument App support?
Calculator Instrument App is available on iPhone, iPad, and iPod. It is designed for iOS devices.
How often is Calculator Instrument App updated?
The latest version of Calculator Instrument App is 1.1.8, last updated on January 20, 2026. Updates aim to improve functionality and user experience.
What instruments can I play with Calculator Instrument App?
Calculator Instrument App features 11 different instrument sounds, including piano, bell, trumpet, recorder, violin, drum, castanets, triangle, cymbal, Japanese drum, and guitar.
Can I make in-app purchases in Calculator Instrument App?
No, Calculator Instrument App does not offer any in-app purchases. The app is free to download and use, supported by advertisements.
What is the primary purpose of Calculator Instrument App?
The primary purpose of Calculator Instrument App is to make learning numbers and basic calculations enjoyable for children by integrating musical instrument sounds with calculator functions.
