Calendar-synced invoicing and expenses for student gig workers.
College students struggle with QuickBooks' steep learning curve and high subscription costs for basic invoicing and expense tracking on their side hustles.
GigLedger integrates with Google Calendar to auto-generate invoices from events and track related expenses. Perfect for tutors or event staff, it handles time-based billing and splits expenses across gigs. Stay organized without manual entry.
College students managing side hustles that require basic invoicing and expense tracking
Seamless calendar sync for event-to-invoice automation, unique for time-based student hustles.
professional
Pull Google events to create time-tracked invoices.
One-tap bill generation post-event.
Assign costs to specific calendar events.
Start/stop timer synced to calendar.
Divide invoices/expenses across group gigs.
Template weekly/monthly events to invoices.
Clients view/pay their invoices.
Hourly rates and performance per client.
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| text | No | |
| google_token | text | Yes |
| created_at | timestamp | No |
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| user_id | uuid | No |
| calendar_event_id | text | No |
| hours_worked | int | No |
| status | text | No |
| created_at | timestamp | No |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| gig_id | uuid | No |
| amount | int | No |
| created_at | timestamp | No |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| gig_id | uuid | No |
| amount | int | No |
| created_at | timestamp | No |
Relationships:
/api/calendar/syncFetch and create gigs from calendar
/api/gigs/:id/invoiceGenerate invoice for gig
/api/expenses/gig/:gigIdAdd expense to gig
/api/analyticsGig performance data
No invoicing
| Month | Users | Conversion | MRR | ARR |
|---|---|---|---|---|
| Month 1 | 180 | 3.5% | $158 | $1,896 |
| Month 6 | 1,100 | 9% | $2,475 | $29,700 |
Auto-invoice from your Google Calendar + track expenses per event. Built for student schedulers.
Target Google Calendar power users in student Slack groups; offer beta via r/gigeconomy; partner with campus career centers for referrals.
Time tracking
No invoicing/calendar native
Full gig-to-cash flow
Client management
Pro-focused, no calendar
Student gig automation
Network effects via shared group gigs and calendar integrations.
Google Calendar API improvements + surge in calendar-based student work (DoorDash, tutoring).
OAuth/calendar API limits
Caching + polling
Low calendar adoption
Manual entry fallback
Success: 60% use calendar for scheduling
Success: 500 visits, 50 signups
Other validated startup ideas you might find interesting
Never miss TechCabal articles again—search and recover 404 pages instantly.
Your personal vault for TechCabal links—auto-recovers 404s forever.
AI revives lost TechCabal pages—summarize, rewrite, recover.
Automate real estate agent outreach so solo proptech founders can focus on building.
Centralize proptech operations to eliminate solo founder burnout.
AI no-code builder for proptech MVPs – dev time slashed 80%.