Not at the moment, but we might introduce budgets in the near future. Read on for more details.
Right now, budgeting is a bit different in the new Dollarbird. We found that for most of our users, manually setting caps wasn't really useful. So we opted for a more flexible approach that doesn't require user input. In the dashboard, you can see next to each category your monthly past average, and also how you're performing compared to that in the actual month. This should help you make better decisions without having to set up budgets manually.
However, for those who prefer the manual approach, we're already in the midst of figuring out a way to let users set caps for categories. This way you could set a target budget for categories, and always see where you are compared to the goal you've set. Stay tuned!