Free
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About
The ultimate back calculation & salary management app for nightlife workers.
Track your drink backs, nomination backs, champagne backs and more with just a tap — see your daily earnings in real
time.
【Cast Mode — Track Your Own Earnings】
• Record backs by category (drinks, nominations, champagne, etc.)
• View today's income (hourly wage + backs) in real time
• Check monthly salary, work days, and back breakdown at a glance
• Calendar view with color-coded daily earnings
• Reports with monthly trends and category-by-category graphs
【Owner Mode — Manage Your Venue's Finances】
• Enter daily reports for each staff member's attendance and backs
• Track venue sales, labor costs, and profit in real time
• Calendar view of daily sales and profit
• Staff salary rankings and monthly summaries
【Supported Venues】
Hostess clubs / Snack bars / Concept cafes / Girls bars / Bars / Lounges
【Privacy First】
• All data stored locally on your device
• Zero data sent to servers
• No personal information collected
【Ready to Use】
• Built-in back item templates by venue type
• Supports both hourly and fixed pay
• Dark theme for discreet use during work
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What's New in バック計算
1.3.0
May 31, 2026
v1.3.0 Improvements & Fixes - Fixed an issue where tapping a saved record to edit it did not show your previously entered values (back counts, deductions, memo). - Improved behavior when changing the date while editing a record: switching to a day with a record now shows that day's content, and a day without a record resets to the initial state. - Clarified some wording in the in-app Help guide. - Minor bug fixes and stability improvements. Your existing data is preserved.
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