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Spend smarter. Stay in control.
One Billion is a personal finance app designed to help you manage expenses effectively, plan budgets, and stay aware of your spending.
It gives you the tools you need to control your money — clearly, simply, and consistently.
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What's New in One Billion
1.0.3
March 14, 2026
Budget Templates Set up your monthly budget in seconds. Choose from pre-configured templates with common expense categories — then customize to make it yours.
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