WordPress plugin comparison
ACF Pro JSON Sync vs Custom Block Builder
At a glance
- Custom Block Builder has more active installs: 20K+, against 60+ for ACF Pro JSON Sync.
- On a typical day, Custom Block Builder is downloaded about 404 times, ACF Pro JSON Sync about 2.
- ACF Pro JSON Sync has no reviews yet.
- Custom Block Builder was updated more recently: Oct 26, 2026, against Jan 5, 2015 for ACF Pro JSON Sync.
- Custom Block Builder is tested with a newer WordPress: 7.2, against 4.0.38 for ACF Pro JSON Sync.
- ACF Pro JSON Sync has been around longer: since 2015, against 2018 for Custom Block Builder.
Line by line
Custom Block Builder leads on 6 of 6 comparable lines.
| Metric |  ACF Pro JSON Sync |  Custom Block Builder |
|---|---|---|
| Popular rank | #19,946 | #1,163 |
| Active installs | 60+ | 20K+ |
| Downloads, last 30 days | 38 | 24.5K |
| Rating | No ratings | 4.9(80) |
| Support threads resolved | – | 0% |
| Tested up to | 4.0.38 | 7.2 |
| Search multiplier | ×0.00 | ×0.94 |
| Last release | 12 years ago | 14 days ago |
| Requires PHP | – | 8.3 |
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
More comparisons
- ACF Pro JSON Sync vs Advanced Custom Fields
- ACF Pro JSON Sync vs Smart Custom Fields
- ACF Pro JSON Sync vs Flexible Content Extended for Advanced Custom Fields
- ACF Pro JSON Sync vs Simple Custom CSS Plugin
- Custom Block Builder vs Genesis Custom Blocks
- Custom Block Builder vs Advanced Custom Fields (ACF®)
- Custom Block Builder vs Spectra Legacy
- Custom Block Builder vs Kadence Blocks
Is one of these yours?
Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.
Start free