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Invoice Koi vs Invoisin

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Invoice Koi compared with Invoisin
DetailInvoice Koi logo Invoice KoiInvoisin logo Invoisin
What it doesInvoice app for contractors and the trades Time tracking and invoicing software for service businesses
StageNot given Not given
FoundedNot given Not given
Based inSG CY
Pricing modelFreemium Free trial
PricingFree 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. $11 per seat per month, or $9 per seat per month billed annually ($108 a seat per year). Free 7-day trial, no usage fees, unlimited clients, projects and invoices.
Key features
  • 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
  • Time tracking with live timers or manual entry
  • One-click invoicing from unbilled time
  • Multi-currency and automatic VAT/GST calculation
  • Client portal with no login required
  • Project budgets in hours or money
  • Resource planning board (beta)
  • Calendar integration for meeting-based time entry
  • AI assistant connector for time logging and invoicing
  • Automatic payment reconciliation
What makes it different
  • 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
  • Free to draft and subscribe only to send invoices
  • Full track-to-invoice workflow in one platform
  • One flat rate plan with all features included
  • No per-feature upsells or metered usage
  • Significant savings for Harvest users
  • Full data export as CSV and PDFs anytime
Community votes00
DR (Domain Rating by Ahrefs)12 +1 (up) since last check11 no change since last check
Trust Flow (Majestic)20
Citation Flow (Majestic)2117
Referring domains (Majestic)84

6 details filled in for both companies.

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