Production system — Finance management
Live environment. Structured for real usage.
FOLIO
Finance tracker
React NativePlaid APIiOS
Screens
Overview
Net worth, portfolio chart, holdings
Spending
Budget tracker, category breakdown
Transactions
Full activity feed with categories
Tap the phone to navigate.
Use the bottom tabs to switch screens.
9:41
Net worth
£51,400
+£3,300 (6.9%) this month
M
Portfolio value
J
F
M
A
M
J
J
A
S
O
N
D
Holdings
VOO
S&P 500 ETF
44% of portfolio
£22,400
+2.4%
AAP
Apple Inc.
16% of portfolio
£8,200
+1.1%
BTC
Bitcoin
13% of portfolio
£6,800
-3.2%
GLD
Gold ETF
10% of portfolio
£5,100
+0.8%
Key features
Portfolio chart
Live line chart showing net worth over time.
Holdings tracker
Multi-asset portfolio with real-time P&L.
Budget tracking
Category spending vs budget with progress bars.
Transaction feed
Categorised activity log with income/expense split.
Design system
Navy bg
Gold accent
Profit green
Loss red
Typography
Syne
Inter body text
FOLIO

Finance tracking app for daily usage and retention

Purpose
  • —Portfolio tracking
  • —Spending insights
  • —Budgeting
Key mechanics
  • —Daily active usage
  • —Habit formation
  • —Long-term retention
System behaviour
  • —React Native
  • —API integrations
  • —Production-ready
View experience →
FOLIO — Finance Tracker
1twenty.systems