| Metric | Call Now | OT Zalo |
|---|---|---|
| Active installs | 100+ | 200+ |
| Downloads (30 days) | 102 | 104 |
| Download trend | -3.8% | +14.3% |
| Rating | — | — |
| Reviews | 0 | 0 |
| Health score | 25/100 | 26/100 |
| Last updated | 6 years ago | 9 years ago |
| Tested up to | WP 5.4.24 | WP 4.8.33 |
| Support resolved | — | — |
| Requires PHP | Any | Any |
| First released | Apr 2020 | Sep 2017 |
Daily downloads, last 90 days
Call NowOT Zalo
Choose Call Now if…
You care most about last updated and tested up to.
- Small user base (100+ active installs)
- Very few reviews so far
- No update in 6 years
- Only tested up to WordPress 5.4 (latest is 7.1)
Choose OT Zalo if…
You care most about active installs, downloads (30 days) and download trend.
- Small user base (200+ active installs)
- Very few reviews so far
- No update in 9 years
- Only tested up to WordPress 4.8 (latest is 7.1)
Both compete in: zalo chat
FAQ
Call Now vs OT Zalo: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 20, 2026
Which is better, Call Now or OT Zalo?
OT Zalo comes out ahead, winning 4 of 6 head-to-head checks against Call Now. Choose Call Now if you care most about last updated and tested up to. Choose OT Zalo if you care most about active installs, downloads (30 days) and download trend.
Is Call Now more popular than OT Zalo?
OT Zalo is the more popular of the two with 200+ active installs, compared with 100+ for Call Now.
Can I use Call Now and OT Zalo together?
Both plugins cover zalo chat, so most sites only need one. Running two plugins that do the same job can cause conflicts and slow your site down — pick the one that fits best and remove the other.
Are Call Now and OT Zalo free?
Yes. Both are free to download from the official WordPress.org plugin directory. Either may also offer paid upgrades from its developer.
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