Offline-first billing and inventory software for mobile phone shops
Invoice app for contractors and the trades
Stage
Not given
Not given
Founded
Not given
Not given
Based in
IN
SG
Pricing model
Free trial
Freemium
Pricing
Free trial for 14 days with full access, no card required. Monthly plan ₹699/month. Yearly plan ₹5,999/year (29% off).
Free to draft with no account needed. Subscription: US$9.99 per week (billed weekly) or US$99.99 per year (about US$8.33 per month, billed yearly). US App Store prices. Free trial included: two weeks free on annual plan, one week on weekly plan for eligible new iOS subscribers.
Key features
IMEI tracking for every phone
Profit tracking by source
Daily closing in minutes
GST-compliant invoices
Warranty lookup and claims
Receipt preview before printing
Works completely offline
Repair and service tracking
Recharge wallet management
CSV export for accounting
Unlimited invoices, estimates and receipts with subscription
Nine customizable invoice templates with logo and accent color
Price book for labor, material and hire rates
Receipt scanning with AI that reads merchant, amount, tax and category
Time tracking and jobs calendar that turn into invoice lines
Recurring invoices
Reports as CSV, spreadsheet or PDF
Portable backup file you own
Core invoicing works offline
Stripe payment collection with automatic payment recording
What makes it different
Built specifically for mobile phone shops, not generic billing software
Tracks IMEI, recharges, and profit by source all in one application
Runs fully offline without requiring internet
No locked features or upsells in any plan
Solo developer built and maintains it with direct feedback from users
Works completely offline for core invoicing and PDF creation
No account required to start drafting and creating invoices
Saved clients and rates auto-fill invoices to save time
Estimate converts to invoice in one tap with no re-entry
Invoice Koi