まわるーだ - パチンコ回転率/ボーダー/期待値 計算

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Content rating
Mature 17+
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About this app

Instantly calculate pachinko spin rates, borderlines, and expected profits and losses.
Shift from relying on intuition to making decisions based on data.

"How many spins will this machine get per 1,000 yen?"
"Are they above or below the borderline?"
"If I keep playing this machine, will my expected profit or loss be positive or negative?"

Mawaru-da is a pachinko-specific calculation tool that answers these questions on the spot.

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📊 Feature 1: Calculate spins per 1,000 yen
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Enter the initial number of spins to start.
The "spins per 1,000 yen" will be automatically calculated based on the amount inserted and the current number of spins.

・One-tap investment addition with the +¥500 / +¥1000 buttons
・Quickly count spins with the +1 / +10 buttons
・Simple design allows for one-handed operation even during actual play

Easily understand spin rates by checking the data counter at the hall.

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📈 Feature 2: Borderline & Expected Balance
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Enter the jackpot probability, total payout, and exchange rate to automatically calculate the borderline.

・Simultaneous display of equivalent/exchange rate borderlines
・Displays expected payout per spin in real time
・Check expected payout per 1,000 yen at a glance
・Instantly determine whether your current spin rate is above the borderline

For those who don't know their total payout, the app also includes a function to estimate it based on the payout per spin, probability of special mode, and the number of time-saving modes. For machines with special mode loops, you can instantly calculate the borderline without having to consult a spec sheet.

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🎰 Feature 3: Streak Probability Calculation
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Simply enter the jackpot probability and the current number of games.
Statistically calculate the "probability of your current streak occurring."

Checking these numbers based on probability theory will help you make rational decisions.

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🔗 Feature 4: Consecutive Win Checker
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This function calculates the probability of consecutive wins during special mode and ST mode.

- Calculates the probability of consecutive wins based on the special mode continuation rate
- Calculates the ST jackpot probability multiplied by the ST mode number
- Instantly find out the probability of how many more wins there will be.

Compatible with both special mode loop machines and ST mode machines.

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💡 Recommended for
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✓ Want to know the exact number of spins per 1,000 yen
✓ Want to check if you're above the borderline
✓ Want to play only machines with a positive expected payout
✓ Want to numerically check the probability of a winning streak
✓ Want to improve your pachinko payout
✓ Want to make data-driven decisions
✓ Don't like complex calculations but want to put borderline theory into practice

Suitable for a wide range of users, from beginners to advanced players.

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🎯 Simple design makes it easy for anyone to use
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・Instant results displayed by simply entering the required information
・Large buttons make it easy to tap during play
・Easy-to-read screen for quick checks even at the parlor
・Minimal advertising It doesn't get in the way of your calculations.

No need to memorize complicated formulas.

Let the app calculate your spin rate, border, and expected value.

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📱 App Information
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・Price: Completely Free
・Compatible with: iOS / Android
・Category: Utility
・Developer: Kyosuke Takahashi

Calculate your spin rate, check borders, understand your expected profits and losses, and check your chances of getting stuck.

All the calculations you need for real-world pachinko play are in one place.

Download now and start making data-driven decisions.
Updated on
Feb 21, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
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Data is encrypted in transit
Data can’t be deleted

What’s new

ボーダー計算の精度を大幅に向上させました。