Clay Tu
TrackFlow icon

iOS App · Personal Project

TrackFlow

An expense tracker built around how I actually think about money — fast to log, honest about patterns, and out of the way the rest of the time.

SwiftSwiftUIiOS 17+iCloud SyncDownload on the App Store

Screenshots

Daily Expenses

Daily Expenses

Add Expense

Add Expense

Fixed Expenses

Fixed Expenses

Reports

Reports

Why I Built It

"Most expense apps try to do too much."

They surface charts you never look at, demand categories that don't match how you spend, and make the core action — logging a purchase — slower than it needs to be.

TrackFlow is built around one principle: capture first, understand later. The home screen is a grid of categories. You tap one, enter the amount, and you're done. Under three seconds.

The reporting is intentionally minimal — enough to see where the money went, not enough to turn into another thing you have to manage.

Features

Two-track budgeting

Separate daily spending from fixed monthly costs. Know your variable burn rate without your rent muddying the picture.

Built-in calculator

Enter amounts as expressions — type 12.5 + 8 and TrackFlow does the math. No switching apps, no mental arithmetic.

Receipt scanner

Point your camera at a receipt. On-device OCR (Apple Vision) reads the total and pre-fills the amount field.

CSV import & export

Bring in historical data from any spreadsheet. Export your full expense history as a CSV file to share or archive.

Auto-carry fixed expenses

Fixed bills that don't change month to month? Enable auto-carry and TrackFlow rolls them forward automatically.

Spending reports

Donut charts by category. Day, week, month, or year views. Drill into any category to see individual entries.

Home screen widget

See your monthly total at a glance — small or medium size, updates the moment you log an expense.

iCloud sync

Data syncs privately across your Apple devices via CloudKit. Falls back to local storage if iCloud is unavailable.

Stack

Language

Swift

UI

SwiftUI

Storage

SwiftData + CloudKit

OCR

Apple Vision

Widget

WidgetKit

Platform

iOS 17+

How to Use

01

Log a daily expense

Go to the Daily tab. Tap any category tile. Enter the amount using the built-in calculator — expressions like 12 + 8 work. Add an optional note, confirm the date, and tap Save. Done in under ten seconds.

02

Track fixed monthly costs

Switch to the Fixed tab. Navigate to the current month and tap any category to enter that month's amount. Enable Auto-Carry to roll last month's figures forward automatically.

03

Scan a receipt

Tap the receipt scanner icon (top right of the Daily tab). Point your camera at a receipt — Apple Vision reads the total and pre-fills the amount. Select a category and save.

04

Import historical data

Tap ⋯ → Download CSV Template to get the correct format. Fill it in with past expenses, then tap ⋯ → Import Data to load them all at once.

05

Read your reports

Open the Report tab. Choose a time range — day, week, month, or year. Tap any category in the donut chart to drill into individual entries. Tap the share icon to export as CSV.

06

Add the widget

Long-press your home screen → tap + → search TrackFlow. Add the small or medium widget. It shows your current month's total and updates instantly when you log an expense.

Privacy

Data collected

TrackFlow does not collect, transmit, or share any data with the developer or third parties. No analytics. No advertising. No tracking.

iCloud sync

Expense data is synced privately across your Apple devices using CloudKit (iCloud private database). This data is accessible only to you and is governed by Apple's iCloud privacy policy. If iCloud is unavailable, the app falls back to local storage automatically.

Camera & Photo Library

Camera and photo library access is used solely for the receipt scanner feature. Images are processed entirely on-device using Apple Vision. No images are stored or transmitted.

Data deletion

All data can be deleted at any time via Settings → Reset Data within the app. Deleting the app removes all local data. iCloud data can be managed via iOS Settings → [Your Name] → iCloud → Manage Account Storage.

App Store Privacy Label

Data Used to SyncFinancial info (expense records) — synced via your private iCloud account only
Data Not CollectedNo data is collected by the developer for tracking, analytics, or advertising
PermissionsCamera (optional) · Photo Library (optional) · iCloud (for sync)
Live

Available on the App Store. Built and maintained for daily personal use. SwiftData persistence, CloudKit sync, widget integration, and full CSV import/export.