Flat Invoice vs Pronto Invoice
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Flat Invoice compared with Pronto Invoice
| Detail | FI
Flat Invoice | 
Pronto Invoice |
|---|
| What it does | Send the invoice. Skip the chasing.
| Mobile-first invoicing for tradespeople and freelancers
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | US
| US
|
|---|
| Pricing model | Freemium
| Freemium
|
|---|
| Pricing | 3 invoices per month free, then $2 per invoice. Pro plan: $9 per month or $79 per year for unlimited invoices. Edits, resends and reminders are free.
| Free: 5 invoices/month, 3 clients. Starter: $5/month or $48/year (20% annual savings), 25 invoices/month, unlimited clients. Growth: $12/month or $115/year, unlimited invoices. Pro: $24/month or $230/year, unlimited invoices, 3 team members included, $10 per additional user.
|
|---|
| Key features | - Automatic payment reminders on day 3, 7 and 14
- Late fee calculator with interest calculation
- Ready-to-send reminder email templates
- Direct client payments
- Optional Stripe integration for card and bank payments
- Free edits and resends
- Free late fee calculator tool
- Unlimited invoice drafts on free plan
| - Create invoices in under 60 seconds with guided 5-step workflow
- 140+ industry-specific invoice templates customizable in browser
- Works offline and syncs automatically when reconnected
- Native iOS and Android apps plus web dashboard
- Client management with invoice history and outstanding balances
- Recurring invoices on Growth and Pro plans
- Estimates and quotes that convert to invoices with one tap
- QuickBooks Online sync on Growth and Pro plans
- Expense tracking and basic or advanced reporting depending on plan
|
|---|
| What makes it different | - Never touches client payments or takes a percentage
- Automatic reminders reduce payment chasing
- Free late fee calculator included with service
- Simple pricing with no setup fees
| - Only real mobile-first invoicing app built from ground up for phones, not desktop adapted
- No payment processing fees—Pronto takes zero cut, only your processor's rate
- Free plan is a real plan, not a trial—no credit card required
- One-handed design optimized for field workers without internet
- Built and maintained solo by founder with no outside investors
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 1 ● no change since last check |
|---|
| Trust Flow (Majestic) | 0 | 0 |
|---|
| Citation Flow (Majestic) | 12 | 21 |
|---|
| Referring domains (Majestic) | 3 | 12 |
|---|
6 details filled in for both companies.
More alternatives to Flat Invoice More alternatives to Pronto Invoice