WordPress plugin comparison
PDF InvoiceX vs Formidable Forms + Sprout Invoices
At a glance
- Formidable Forms + Sprout Invoices has more active installs: 200+, against 60+ for PDF InvoiceX.
- PDF InvoiceX has no reviews yet.
- Formidable Forms + Sprout Invoices was updated more recently: Aug 18, 2026, against Jun 19, 2026 for PDF InvoiceX.
- Formidable Forms + Sprout Invoices is tested with a newer WordPress: 7.1.4, against 7.0.8 for PDF InvoiceX.
- Formidable Forms + Sprout Invoices has been around longer: since 2018, against 2025 for PDF InvoiceX.
Line by line
Formidable Forms + Sprout Invoices leads on 5 of 6 comparable lines.
| Metric |  PDF InvoiceX |  Formidable Forms + Sprout Invoices |
|---|---|---|
| Popular rank | #19,386 | #12,751 |
| Active installs | 60+ | 200+ |
| Downloads, last 30 days | 187 | 98 |
| Rating | No ratings | 3.0(2) |
| Support threads resolved | – | – |
| Tested up to | 7.0.8 | 7.1.4 |
| Search multiplier | ×0.24 | ×0.36 |
| Last release | 4 months ago | 2 months ago |
| Requires PHP | 7.4 | – |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
Tags they share
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