Side-by-side comparison · 24 data points
Book meetings quickly and easily with HubSpot and Outlook Calendar.
| Outlook Calendar | Ultra Twilio SMS & WhatsApp by Ulgebra | |
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Send & receive messages through Twilio to simplify communication
| Metric | Outlook Calendar | Ultra Twilio SMS & WhatsApp by Ulgebra |
|---|---|---|
| Rating | ★ 3.4 ★ | 3.1 ★ |
| Total reviews | ★ 1.5k | 14 |
| Active installs | 139,727+ | 517+ |
| Free plan | — | — |
| Pricing | ★ From $5/mo | From $6/mo |
| Pricing tiers | ★ 3 tiers | 2 tiers |
| Listed since | Jan 2019 | Apr 2021 |
Based on the data on this page, Outlook Calendar is the stronger choice for most HubSpot App Marketplace teams — 3.4★ vs Ultra Twilio SMS & WhatsApp by Ulgebra's 3.1★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing sits in similar territory: Outlook Calendar at From $5/mo, Ultra Twilio SMS & WhatsApp by Ulgebra at From $6/mo (within ~25% of each other on the entry tier). At this overlap, total cost of ownership comes from how per-tier capacity gates align with your order volume — confirm both apps' upgrade triggers against your projected scale before deciding.
Outlook Calendar has the larger user base (1,545 reviews vs 14), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Ultra Twilio SMS & WhatsApp by Ulgebra'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 Outlook Calendar; mid-market and enterprise teams with specific feature requirements should evaluate both — Ultra Twilio SMS & WhatsApp by Ulgebra's 14-review base may include the workflow context that matches your specific use case better than Outlook Calendar'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.
Read each app's audit: Outlook Calendar audit • Ultra Twilio SMS & WhatsApp by Ulgebra audit
No tracked changes.
Both Outlook Calendar and Ultra Twilio SMS & WhatsApp by Ulgebra offer paid plans only. Outlook Calendar starts at From $5/mo; Ultra Twilio SMS & WhatsApp by Ulgebra starts at From $6/mo. Compare the per-tier features in the Pricing section above before committing.
Outlook Calendar has the higher average rating (3.4★ from 1,545 reviews) compared to Ultra Twilio SMS & WhatsApp by Ulgebra (3.1★ from 14 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Outlook Calendar holds the higher average rating (3.4★ vs 3.1★). 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 HubSpot App Marketplace. Outlook Calendar has the deeper published review base (1,545 vs 14), 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.
Outlook Calendar typically suits early-stage and growth-mode teams based on its published review base (1,545 reviews). Ultra Twilio SMS & WhatsApp by Ulgebra typically suits early-stage and growth-mode teams based on its published review base (14 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. Outlook Calendar and Ultra Twilio SMS & WhatsApp by Ulgebra 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 Ultra Twilio SMS & WhatsApp by Ulgebra" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
