About this app
How would you make an everyday Japanese phrase sound professional at work? Keigo Switch helps you recall natural business Japanese from casual prompts. Each daily session has 10 prompts and takes about three minutes. Say your answer before revealing it, then save difficult phrases for review. Features • 210 original phrases across seven workplace situations, including Meetings and Customer Service • Clear usage situations and practical notes • Search casual wording, polite wording, and situations • Japanese system voice playback • A review queue for difficult phrases • On-device learning progress The first 35 phrases are free. A one-time KeigoSwitch Pro purchase unlocks the other 175 phrases and future Pro expressions. There is no subscription. Designed for new professionals, job seekers, and anyone who wants more confidence using polite Japanese at work. Purchase and Legal Information KeigoSwitch Pro is a one-time in-app purchase. It is not a subscription. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://starcrown.co.jp/privacy
Latest release
What’s New
Added a clear path to all 210 expressions after completing a daily session, improved review timing after sustained quiz practice, and clarified purchase and legal information.
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 4, 2026 · 5:20 AM Free
Screenshots
