# Checkvoice

> Checkvoice (iPhone/iPad app by Satoshi Yamada.)

- Source: https://appshunter.io/ios/app/checkvoice/id6796592693 (this page in markdown: same URL + `.md`)
- Developer: [Satoshi Yamada](https://appshunter.io/developer/1570646947)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 18.6 · 14 MB
- Languages: American English, Arabic, Hindi, Japanese, Turkish
- Released: 2026-08-21
- Data updated: 2026-09-22
- User reviews in markdown: https://appshunter.io/ios/app/checkvoice/id6796592693/reviews.md

## What is Checkvoice?

CheckVoice is a vocal range analyzer and voice training app for anyone who wants to sing better. Core features are free to use.

[Vocal Range Check]
Just sing into the mic to instantly measure your full vocal range, from lowest to highest note.

[Real-Time Tuner]
See your pitch displayed as notes on a musical staff in real time. Visualize exactly what you are singing.

[Voice Training]
Strengthen your pitch accuracy and vocal control with interval training exercises.

[Vocal Range Radar]
Visualize your vocal range on a radar chart to understand your strengths and areas to improve.

[Song Check]
Compare a song's range with your vocal range to find out if you can sing it before you practice.

[Progress & Comparison]
Track your measurements over time and see how much your vocal range has improved.

[Goal Song Training]
Get a personalized training plan based on the range of the song you want to sing.

■ Audio & Privacy
All audio processing happens on your device. Recordings are never sent to external servers.
Privacy Policy & Support: https://ys-digitalwork.com/support/checkvoice

■ Subscription
Core features are free. Additional features are available via subscription.
Subscriptions are billed to your Apple ID and auto-renew unless cancelled at least 24 hours before renewal.
Manage or cancel anytime in the App Store under Subscriptions.
Access continues until the end of the current billing period after cancellation.
Use Restore Purchases in the app after reinstalling.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Languages: 日本語 / English / हिन्दी


## Version history (last 3 releases)

### 1.0.2 — 2026-09-03

• Enhanced Apple Music integration: added karaoke key transposition simulator and vocal range comparison chart
• Full localization across all screens in 5 languages (Japanese, English, Hindi, Arabic, Turkish)
• Improved auto-generated training plans for goal songs
• More accurate pitch analysis
• Stability improvements and bug fixes

### 1.0.1 — 2026-08-25

· Performance improvements and stability fixes
· Optimized display on several screens
· Minor bug fixes

### 1.0 — 2026-08-22

No release notes.

## More apps by Satoshi Yamada

- [歯科訪問アシスタント](https://appshunter.io/ios/app/id1570646615)
- [暗記フラッシュNeo](https://appshunter.io/ios/app/neo/id6751812423)
- [Study Split](https://appshunter.io/ios/app/study-split/id6756714397)
- [写真で在庫管理](https://appshunter.io/ios/app/id6756977625)
- [訪問歯科予約管理](https://appshunter.io/ios/app/id6758738849)
- [可視音](https://appshunter.io/ios/app/id6759029009)

All apps by Satoshi Yamada: https://appshunter.io/developer/1570646947

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-22.*