Mail Queue vs 365i Queue Optimizer (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
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Quick Verdict
As of April 2026, Mail Queue has a higher user rating (5/5 from 6 reviews) and leads in active installations (900 vs 60). Both are free WordPress plugins. Mail Queue has accumulated 8.3K+ total downloads while 365i Queue Optimizer has 942.
Detailed Comparison
| Metric | Mail Queue | 365i Queue Optimizer | |
|---|---|---|---|
| Rating | 5/5 | ◄ | N/A |
| Total Reviews | 6 | ◄ | 0 |
| Active Installs | 900 | ◄ | 60 |
| Total Downloads | 8.3K+ | ◄ | 942 |
| Support Resolution | 0% | N/A | |
| Last Updated | 4 months ago | ► | 2 months ago |
| First Released | 2021 | 2025 | |
| Age | 5 years | 1 year | |
| WP Requires | 5.9+ | 5.8+ | |
| PHP Requires | 7.4+ | 8.0+ | |
| Business Model | Free | Free | |
| Latest Version | 1.4.6 | 1.7.0 |
Rating
5/5Mail Queue
◄365i Queue OptimizerN/A
Total Reviews
6Mail Queue
◄365i Queue Optimizer0
Active Installs
900Mail Queue
◄365i Queue Optimizer60
Total Downloads
8.3K+Mail Queue
◄365i Queue Optimizer942
Support Resolution
0%Mail Queue
365i Queue OptimizerN/A
Last Updated
4 months agoMail Queue
►365i Queue Optimizer2 months ago
First Released
2021Mail Queue
365i Queue Optimizer2025
Age
5 yearsMail Queue
365i Queue Optimizer1 year
WP Requires
5.9+Mail Queue
365i Queue Optimizer5.8+
PHP Requires
7.4+Mail Queue
365i Queue Optimizer8.0+
Business Model
FreeMail Queue
365i Queue OptimizerFree
Latest Version
1.4.6Mail Queue
365i Queue Optimizer1.7.0
Rating Breakdown
Mail Queue
5/5(6 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%
365i Queue Optimizer
0/5(0 reviews)
5
0%
4
0%
3
0%
2
0%
1
0%
Frequently Asked Questions
Is Mail Queue or 365i Queue Optimizer more popular?
Mail Queue has 900 active installations while 365i Queue Optimizer has 60. Mail Queue is the more widely-used plugin as of April 2026.
Which has better ratings — Mail Queue or 365i Queue Optimizer?
Mail Queue has a 5/5 rating from 6 reviews, while 365i Queue Optimizer has a 0/5 rating from 0 reviews.
Are Mail Queue and 365i Queue Optimizer free?
Mail Queue is free and 365i Queue Optimizer is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Mail Queue or 365i Queue Optimizer?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
Mail Queue was last updated 4 months ago and 365i Queue Optimizer was last updated 2 months ago.
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.