- Budget-Hero
- Budget.ly : Track Your Expense
- Budget: Expense Tracker
- Budget: Master Your Finances
- BudgetBuilder
- BudgetCH
- Budgeter: Simple and Smart
- BudgetFy
- Budgetina
- Budgeting - a budget simulator
- Budgeting app+
- Budget Buddy Financial
- Budgeting Monitor - Best Personal Budget Planner for Expenditure and Money Control
- BudgetInMind
- BudgetInMind Lite
- BudgetKaki
- Budgetly
- Budgetly - Simple Spending
- BudgetMe
- Budgetocity
- Budgets
- Budgets - Expense Tracker
- Budgets Pro - Expense Tracker
- Budgetview
- Budgie - Buddy For Budget
- Budgito - Expense & Budget
- BUDGT - Daily Finance
- TravelBudget - Expense tracker
- BudJet by Moneyfarm
- Budy
- BudgetSense Ninja
- Building and Houses S.A.
- BULBA
- Bulbank Mobile
- Bulder
- Bull Market Brokers
- Bull Signal
- BullBear: Trading Simulator
- BullCharts Stock Market
- Bullets - Subscription tracker
- Bullion Bank
- Bullion Harvest
- Bullion Spot Live - All India
- Bullionaire
- BULLIONBANK
- BullionNerve
- BullionVault: gold and silver
- BullJang -Stock,Coin,Portfolio
- BullPay
- BullPay Bank
- Bulls Eye Search (HK)
- Bulls Eye Search (UK)
- Bulltick360
- Bulut Erp
- BulutTahsilat
- Bumpa
- Bunker Specialities
- Buoyant
- Bupara
- Buraq Air
- Bureau of the Treasury BTr PH
- Burgan Bank
- Burgan Bank CMS
- Burgan Mobil
- Burgan Prepaid
- Burgan Trade for iPad
- BurganTrade
- Burgessville Grain & Feed Inc.
- Burgis Bullock: Tax & Accounts