Issuu PDF Sync vs PDF Flipbook, WPBakery Addon – Unreal… (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
PDF Flipbook, WPBakery Addon – Unreal…
1.0K+ active installs
Free
Quick Verdict
As of April 2026, PDF Flipbook, WPBakery Addon – Unreal… has a higher user rating (3/5 from 2 reviews) while Issuu PDF Sync leads in active installations (1.0K+ vs 1.0K+). Both are free WordPress plugins. Issuu PDF Sync has accumulated 85K+ total downloads while PDF Flipbook, WPBakery Addon – Unreal… has 85K+.
Detailed Comparison
| Metric | Issuu PDF Sync | PDF Flipbook, WPBakery Addon – Unreal… | |
|---|---|---|---|
| Rating | 2.3/5 | ► | 3/5 |
| Total Reviews | 9 | ◄ | 2 |
| Active Installs | 1.0K+ | 1.0K+ | |
| Total Downloads | 85K+ | ► | 85K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 7 years ago | ► | 3 weeks ago |
| First Released | 2011 | 2017 | |
| Age | 15 years | 9 years | |
| WP Requires | 3.5+ | 4.3+ | |
| PHP Requires | false+ | 5.3+ | |
| Business Model | Free | Free | |
| Latest Version | 3.1.2 | 1.16.19 |
Rating Breakdown
Issuu PDF Sync
PDF Flipbook, WPBakery Addon – Unreal…
Download Trends
Over the past 30 days, Issuu PDF Sync averaged approximately 7 daily downloads while PDF Flipbook, WPBakery Addon – Unreal… averaged 36.
Recent Reviews
Issuu PDF Sync Reviews
Truth in advertising?
1. The description says “free key and all your PDF will synchronised” – apparently not true. The API link from Menu says “Upgrade to Premium to create API keys. 2. Once you click takes you have the Se
No good at all =(
…our .pdf files will be in their directory!
Doesn't work
This plugin doesn’t work. But it’s possible to embed the issuu document with the function on Issuu
PDF Flipbook, WPBakery Addon – Unreal… Reviews
The Website Registration Does not Work and I cannot upgrade
The videos on the website look great and promising. However, when I try to upgrade, there is no link on the website to upgrade even when the plugin itself says you can. Also, I clicked on the verifica
Professional flipbook even the free version is superb
I am thrilled to be using this plugin on my book landing page so people can read a sample which helps them decide if they want to buy the full version of the book on Amazon. It’s professional and the
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Frequently Asked Questions
Is Issuu PDF Sync or PDF Flipbook, WPBakery Addon – Unreal… more popular?
Which has better ratings — Issuu PDF Sync or PDF Flipbook, WPBakery Addon – Unreal…?
Are Issuu PDF Sync and PDF Flipbook, WPBakery Addon – Unreal… free?
Which plugin has better support — Issuu PDF Sync or PDF Flipbook, WPBakery Addon – Unreal…?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.