| Calendar | Kaizo | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | — | — |
| Last updated | — | — |
| Metric | Calendar | Kaizo |
|---|---|---|
| Rating | 4.0 ★ | ★ 5.0 ★ |
| Total reviews | ★ 369 | 104 |
| Free plan | Yes | Yes |
| Pricing | Free 14-day trial | Free to install |
Based on the data on this page, Kaizo is the stronger choice for most Zendesk Marketplace support teams — 5.0★ vs Calendar's 4.0★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: Calendar at Free 14-day trial, Kaizo at Free to install. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (seats, usage volume, integrations) varies.
Calendar has the larger user base (369 reviews vs 104), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Kaizo's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended by size: small/early-stage support teams who need fast install and low risk should default to Kaizo; mid-market and enterprise support teams with specific feature requirements should evaluate both — Calendar's 369-review base may include the workflow context that matches your specific use case better than Kaizo's broader-but-shallower coverage.
This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Zendesk Marketplace listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: Calendar audit • Kaizo audit
| Keyword | Calendar | Kaizo |
|---|---|---|
| assurance | Not ranked | #6 |
| assurance qa quality | Not ranked | #6 |
| qa quality management | Not ranked | #6 |
No tracked changes.
Both Calendar and Kaizo offer paid plans only. Calendar starts at Free 14-day trial; Kaizo starts at Free to install. Compare the per-tier features in the Pricing section above before committing.
Kaizo has the higher average rating (5.0★ from 104 reviews) compared to Calendar (4.0★ from 369 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Kaizo holds the higher average rating (5.0★ vs 4.0★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Zendesk Marketplace. Calendar has the deeper published review base (369 vs 104), which often — though not always — accompanies better-tested setup docs. AppRanks doesn't measure setup time directly: read the recent reviews on each app's detail page for user-reported install experience.
Calendar typically suits early-stage and growth-mode teams based on its published review base (369 reviews). Kaizo typically suits early-stage and growth-mode teams based on its published review base (104 reviews). A larger review base generally means the app has been exercised at scale — relevant if you are processing high volume or handling enterprise compliance requirements.
Migration support varies by app and category. Calendar and Kaizo both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Kaizo" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.