Flexible PDF Invoices for WooCommerce &… vs Smart Invoice and Billing Management… (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Flexible PDF Invoices for WooCommerce &…
7.0K+ active installs
Free
Smart Invoice and Billing Management…
10 active installs
Free
Quick Verdict
As of April 2026, Flexible PDF Invoices for WooCommerce &… has a higher user rating (4.4/5 from 37 reviews) and leads in active installations (7.0K+ vs 10). Both are free WordPress plugins. Flexible PDF Invoices for WooCommerce &… has accumulated 371K+ total downloads while Smart Invoice and Billing Management… has 2.4K+.
Detailed Comparison
| Metric | Flexible PDF Invoices for WooCommerce &… | Smart Invoice and Billing Management… | |
|---|---|---|---|
| Rating | 4.4/5 | ◄ | 3.5/5 |
| Total Reviews | 37 | ◄ | 2 |
| Active Installs | 7.0K+ | ◄ | 10 |
| Total Downloads | 371K+ | ◄ | 2.4K+ |
| Support Resolution | 100% | N/A | |
| Last Updated | 2 weeks ago | ◄ | 10 years ago |
| First Released | 2016 | 2015 | |
| Age | 10 years | 11 years | |
| WP Requires | 6.4+ | 3.0.1+ | |
| PHP Requires | 7.4+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 6.2.12 | 1.2 |
Rating Breakdown
Flexible PDF Invoices for WooCommerce &…
Smart Invoice and Billing Management…
Download Trends
Recent Reviews
Flexible PDF Invoices for WooCommerce &… Reviews
Excelent support
I have contacted support in the name of my company Maksimer with 2 issues regarding Flexible invoices plugin and KSeF integration. Got a prompt response that they will work on the issue soon. Usually
Excellent support
I started using the free version of the plugin, after reviewing it I decided to upgrade to the Pro version. It contains everything a regular online billing cloud does and is fully functional and relia
Super
Korzystam z wersji PRO i mimo że napotkałam kilka problemów technicznych, obsługa wsparcia okazała się naprawdę na najwyższym poziomie – szybka, konkretna i bardzo pomocna. Dziękuję za profesjonalne p
Smart Invoice and Billing Management… Reviews
No reviews yet
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Frequently Asked Questions
Is Flexible PDF Invoices for WooCommerce &… or Smart Invoice and Billing Management… more popular?
Which has better ratings — Flexible PDF Invoices for WooCommerce &… or Smart Invoice and Billing Management…?
Are Flexible PDF Invoices for WooCommerce &… and Smart Invoice and Billing Management… free?
Which plugin has better support — Flexible PDF Invoices for WooCommerce &… or Smart Invoice and Billing Management…?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.