Smart Custom Fields vs ACF Pro JSON Sync (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Quick Verdict
As of April 2026, Smart Custom Fields has a higher user rating (4.9/5 from 20 reviews) and leads in active installations (50K+ vs 60). Both are free WordPress plugins. Smart Custom Fields has accumulated 346K+ total downloads while ACF Pro JSON Sync has 4.5K+.
Detailed Comparison
| Metric | Smart Custom Fields | ACF Pro JSON Sync | |
|---|---|---|---|
| Rating | 4.9/5 | ◄ | N/A |
| Total Reviews | 20 | ◄ | 0 |
| Active Installs | 50K+ | ◄ | 60 |
| Total Downloads | 346K+ | ◄ | 4.5K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 2 weeks ago | ◄ | 11 years ago |
| First Released | 2014 | 2015 | |
| Age | 12 years | 11 years | |
| WP Requires | 6.4+ | 3.5.0+ | |
| PHP Requires | 7.4+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 5.0.7 | 1.0.1 |
Rating Breakdown
Smart Custom Fields
ACF Pro JSON Sync
Download Trends
Recent Reviews
Smart Custom Fields Reviews
very simple and great
very simple and great
Great simple product but needs update
This is a great, simple product, but it hasn’t been updated for four months. At this time it has a critical vulnerability and needs to be updated.
image
How can we display image field, like ACF: <?php $image = get_field(‘hero_image’); ?> ” alt=”<?php echo $image[‘alt’]; ?>” /> SCF: <?php echo SCF::get(‘img’)[0]; ?> isn’t work.
ACF Pro JSON Sync Reviews
No reviews yet
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Frequently Asked Questions
Is Smart Custom Fields or ACF Pro JSON Sync more popular?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.