85
ICS Calendar
Sync any calendar without the headache of complex API keys.
HealthyDeclining
85/100
Users love the easy setup and responsive support despite some minor caching challenges.
Active installs
~41,000
our estimate · wp.org shows 10k+
Rating
4.9★
72 ratings
Trend · vs a year ago
-21%
Declining
255 → 201 installs/day
Downloads over time
real new installs per day · release spikes shown separately from the trend2025-04-302025-08-082025-11-162026-02-232026-06-03
organicrelease spikerelease tailorganic trend · 14d rolling median
Declining · -21% in the last year
255/day a year ago→201/day today
Reviews
what people actually sayICS Calendar is widely praised for its ease of use, rich customization, and responsive support, though some users encounter cache-related setup challenges and minor performance impacts.
What people like
- +Easy to set up and use×3
- +Responsive and fast support from the developer×6
- +Extensive customization options and flexibility×5
- +Seamless integration with Google Calendar and reliable event display×4
- +Instant update feature keeps calendar current×2
- +Free version provides substantial functionality×2
- +Integrates well with site design and other pages
Common complaints
- −Cache configuration can be tricky and may require additional plugins for instant updates×2
- −Instant update feature may slightly slow page loading
- −Lacks built-in GDPR information for site owners
Review trustReviews look organic
- 4.92★Verified rating — holds steady vs the raw 4.90★
- 10%One-shot reviewers — most reviewers are active community members
Reviews per month · 5★ vs lower
2023-07-202025-01-102026-06-04
5★ reviews1–4★ reviews
All-time ratings · 72 total
Latest reviews · 72 analyzed
- 2026-03-27★★★★★Finally a product that does what it says.frankdoherty
- 2026-03-13★★★★★Great plugin, prompt supportRico
- 2026-02-15★★★★★Very goodlwith
- 2025-12-01★★★★★Works As Expected – but some set-up challengessergibosch
- 2025-11-17★★★★★Unbelievably Usefuljerrystewart99
- 2025-09-08★★★★★Just friggin works!Scott Kingsley Clark
- 2025-02-17★★★★★Very helpful plugin, very helpful support!cede007
- 2024-11-11★★★★★Awesome plugin and top notch supportradicoos
- 2024-10-28★★★★★Great pluginRafael Urben
- 2024-08-05★★★★★Great plugin. Great support.Matt Scheidler
Releases
recent versions from WordPress.org SVNFor developers & the curious
the raw signals behind the grade — none of this is on the friendly summary aboveDownload signals
Baselines are computed on organic days only — release spikes and their tails are excluded, so they're not inflated by the auto-update wave.
228
Baseline · median of last 7 organic days
152
Prior 7-day baseline
245
Floor · 25th percentile over 14 days
7,059
Mean release-day peak (30d)
4,105
Latest day · 2026-06-03(spike)
+50.0%
Week-over-week organic trend
Review signals
Concentration and drive-by metrics drive the review-burst and fake-review flags. 30–40% solo reviewers is normal; we only flag the extremes.
10%
Max month share · biggest single 30-day window
1.23
Distribution CV · <0.6 even, >1.5 bursty
96%
5★ share in analyzed sample
10%
Solo reviewers · only this one wp.org activity
0%
Volume velocity · last 6mo vs prior 6mo
4.93 → 4.92★
Sample avg · raw → solo-filtered