Grain vs Outlook Calendar

Based on the data on this page, Grain is the stronger choice for most HubSpot App Marketplace teams — 4.9★ vs Outlook Calendar's 3.4★ is a meaningful gap that usually reflects real product or support quality differences across the user base.

On pricing, Grain offers a free tier (Free plan available) while Outlook Calendar starts at From $5/mo. For early-stage teams validating fit, the free-tier path lets you run the app on real workloads before committing budget.

Outlook Calendar has the larger user base (1,545 reviews vs 15), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Grain's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.

Recommended by size: small/early-stage teams who need fast install and low risk should default to Grain; mid-market and enterprise teams with specific feature requirements should evaluate both — Outlook Calendar's 1,545-review base may include the workflow context that matches your specific use case better than Grain'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 HubSpot App 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.

Is Grain or Outlook Calendar cheaper?

Grain is the cheaper option — it offers a free plan (Free plan available). Outlook Calendar starts at From $5/mo. Both publish their pricing on the HubSpot App Marketplace; AppRanks mirrors what's listed on each refresh cycle.

Which has better reviews, Grain or Outlook Calendar?

Grain has the higher average rating (4.9★ from 15 reviews) compared to Outlook Calendar (3.4★ from 1,545 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.

Should I choose Grain or Outlook Calendar?

Grain holds the higher average rating (4.9★ vs 3.4★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.

Which is faster to set up, Grain or Outlook Calendar?

Both apps are one-click installs from the HubSpot App Marketplace. Outlook Calendar has the deeper published review base (1,545 vs 15), 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.

Which works better for small vs large HubSpot App Marketplace teams?

Grain typically suits early-stage and growth-mode teams based on its published review base (15 reviews). Outlook Calendar typically suits early-stage and growth-mode teams based on its published review base (1,545 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.

Can I migrate data between Grain and Outlook Calendar?

Migration support varies by app and category. Grain and Outlook Calendar 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 Grain" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.