21bitcoin
21bitcoin.appBitcoin buying with scheduled purchases and automatic wallet transfers
Bitcoin buying with scheduled purchases and automatic wallet transfers
Bitcoin purchases from spending roundups or a fixed schedule
Connect multiple gateways with subscription billing and reporting
Keep confirmed dividend dates and income forecasts in view
Keep rich-text or code notes in a hierarchical tree stored in a single database or file collection.
Review trading records alongside deposits, dividends and costs
Personal account records and envelope budgets for Apple devices
Capture desktop activity locally, review a workday, and sync approved time into projects and invoices.
Swiss time tracking and invoicing for European service businesses and freelancers.
Local personal accounts, monthly budgets and receipt attachments
Spanish bookkeeping with journal templates, bank matching and asset depreciation
Custom-period budgets, spending goals and optional Google Drive sync
German online bookkeeping with templates, bank imports and adviser exports
Track project and task time with immediate feedback against work budgets.
Track freelance hours, turn unbilled time into invoices, and see what clients still owe.
Accounts with Spaces for budgets and recurring bills
Canadian member banking with free everyday chequing and digital bill payments
Payable invoices, payment links and checkout tools for UAE merchants
Compare Indian and US stock research by investment horizon
Indian corporate accounts with user limits and scheduled payment instructions
Personal expense records linked to a city-building game
Apple-device expense sheets with free imports and paid sharing
Hosted forms with repeating pages, rules, and result exports
Track defined KPIs, targets and changes through dashboards and scheduled reports.