WordPress plugin comparison
UpStream vs Zephyr Project Manager
At a glance
- Zephyr Project Manager has more active installs: 1K+, against 500+ for UpStream.
- On a typical day, Zephyr Project Manager is downloaded about 58 times, UpStream about 11.
- Zephyr Project Manager is rated higher: 4.8 out of 5 from 98 reviews, against 4.2 from 74 reviews.
- Zephyr Project Manager was updated more recently: Nov 1, 2026, against Aug 4, 2026 for UpStream.
- Zephyr Project Manager is tested with a newer WordPress: 7.1.4, against 7.0.8 for UpStream.
- UpStream has been around longer: since 2017, against 2018 for Zephyr Project Manager.
Line by line
Zephyr Project Manager leads on 7 of 7 comparable lines.
| Metric |  UpStream |  Zephyr Project Manager |
|---|---|---|
| Popular rank | #8,648 | #6,795 |
| Active installs | 500+ | 1K+ |
| Downloads, last 30 days | 361 | 3.3K |
| Rating | 4.2(74) | 4.8(98) |
| Support threads resolved | – | 0% |
| Tested up to | 7.0.8 | 7.1.4 |
| Search multiplier | ×0.51 | ×0.62 |
| Last release | 3 months ago | 8 days ago |
| Requires PHP | 5.6.20 | 5.2.4 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
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