Cal.com vs Reply.io
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Reply.io is the stronger AI pick in Sales Engagement: it has a visibility score of 14.4 versus 6.8 for Cal.com, and ranks ahead in 100% of the answers that name both.
Choose Cal.com if…
- You want a free plan to start
- You need ISO 27001 or SOC 2 Type II or HIPAA or CCPA coverage
- Per seat pricing suits your budget better than flat tiers
Choose Reply.io if…
- You want the brand AI engines rank higher (14.4 vs 6.8)
- You need SOC 2 coverage
- You prefer a larger, established vendor (51–200 employees)
- Flat tiers pricing suits your budget better than per seat
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Cal.com | Reply.io |
|---|---|---|
| Visibility score | 6.8% | 14.4% |
| Change vs last week | New | down−3.3% |
| Rank in Sales Engagement | #16 | #6 |
| Share of voice | 2.3% | 3.5% |
| Mentions this run | 17 | 23 |
| Positive in AI answers | — | 42% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Cal.com +6.8pp · Reply.io −3.299999999999999pp over 1 weekly runs.
Engine by engine
Reply.io leads on 2 of 3 engines
Head to head in AI answers
5 engine answers name both brands
| Prompt | Engine | Cal.com | Reply.io |
|---|---|---|---|
| What are the best Sales Engagement tools in 2026? | Perplexity | #15 | #6 |
| Compare the leading Sales Engagement platforms | Perplexity | #15 | #6 |
| Alternatives to the most popular sales engagement platform | Perplexity | #16 | #5 |
| Which sales engagement platform has transparent pricing? | Perplexity | #9 | #2 |
| Official website of the top sales engagement platform vendors | Perplexity | #17 | #9 |
Features, pricing & fit
| Dimension | Cal.com | Reply.io |
|---|---|---|
| Pricing model | Per seat | Flat tiers |
| Entry price | Free; paid from $12 per seat / mo | $49 / mo |
| Free plan | Yes | No · 14-day trial |
| Deployment | Hosted cloud service, with a self-hosting option and US or EU data hosting on enterprise plans | — |
| Integrations | 100+ | — |
| Compliance | ISO 27001, SOC 2 Type II, HIPAA, GDPR, CCPA | SOC 2, GDPR |
| Support | Help docs at cal.com/help, Email support@cal.com, Priority Slack and account support on Enterprise plan | Live chat, Email, CSM onboarding |
| Founded | 2021 | 2014 |
| Headquarters | San Francisco, California, United States | San Jose, California, US |
| Employees | 11–50 | 51–200 |
| Funding | Early Stage VC · $32M raised | Series A |
| Best for | Individuals, sales and success teams, healthcare providers and product teams that need booking pages or scheduling embedded in their own products | Founders, sales teams, and agencies who need results fast without juggling 5+ tools. |
Plans side by side
Cal.com
Reply.io
Pros and cons
Themes from the AI answers that mention each brand
Cal.com
Profile in progress.
Reply.io
- Multichannel outreach and AI-assisted engagement across email, calls, LinkedIn and more
- 14-day free trial to test core sequencing and automation
- Transparent self-serve pricing with annual discounts
- Affordable, lower-cost option
- Strong choice for smaller and mid-market sales teams
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
Cite as: SlateIndex, “Cal.com vs Reply.io”, https://slateindex.ai/compare/cal-com-vs-reply-io, data of Nov 3, 2026. Licence: CC BY 4.0.