Reply.ioAI Sales Outreach & Cold Email Platform

ZendeskAI-powered customer service platform

Comparison · Sales Engagement · weekly run Nov 3

Reply.io vs Zendesk

Which one do AI engines recommend, and how do they differ on price, fit and features?

Track both brands

The short answer

Reply.io is the stronger AI pick in Sales Engagement: it has a visibility score of 14.4 versus 0.4 for Zendesk.

Choose Reply.io if…

You want the brand AI engines rank higher (14.4 vs 0.4)
AI answers describe it more positively (42% vs 34% positive)
You need SOC 2 or GDPR coverage
Flat tiers pricing suits your budget better than per seat

Choose Zendesk if…

You want a lower entry price ($19 vs $49)
You need SOC 2 Type II or ISO 27001:2022 or ISO 27018:2019 or ISO 27701:2019 or ISO 27017:2015 or ISO 42001:2023 or FedRAMP LI-SaaS or Cyber Essentials Plus coverage
You prefer a larger, established vendor (5,000+ employees)
Per seat pricing suits your budget better than flat tiers

AI visibility side by side

Latest weekly run · Nov 3

Metric	Reply.io	Zendesk
Visibility score	14.4%	0.4%
Change vs last week	down−3.3%	up+0.1%
Rank in Sales Engagement	#6	#40
Share of voice	3.5%	0.1%
Mentions this run	23	1
Positive in AI answers	42%	34%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

Reply.io −3.299999999999999pp · Zendesk +0.10000000000000003pp over 1 weekly runs.

Engine by engine

Reply.io leads on 3 of 3 engines

ChatGPT

24.1%

AI Mode

6.1%

Perplexity

13%

1.1%

Reply.ioZendesk

Head to head in AI answers

0 engine answers name both brands

0Reply.io ranked higher

0Zendesk ranked higher

Features, pricing & fit

Dimension	Reply.io	Zendesk
Pricing model	Flat tiers	Per seat
Entry price	$49 / mo	$19 per seat / mo
Free plan	No · 14-day trial	No
Deployment	—	Cloud (SaaS)
Integrations	—	1800+
Compliance	SOC 2, GDPR	SOC 2 Type II, ISO 27001:2022, ISO 27018:2019, ISO 27701:2019, ISO 27017:2015, ISO 42001:2023, FedRAMP LI-SaaS, Cyber Essentials Plus
Support	Live chat, Email, CSM onboarding	Help Center, Community, Partners
Founded	2014	2007
Headquarters	San Jose, California, US	San Francisco, California, United States
Employees	51–200	5,000+
Funding	Series A	Take-private (Hellman & Friedman, Permira)
Best for	Founders, sales teams, and agencies who need results fast without juggling 5+ tools.	Support teams from startups to enterprises that need omnichannel ticketing with AI automation

Plans side by side

Reply.io

Email Volume$49month, billed annually (1,000 active contacts; monthly $59)

Multichannel$89user/month, billed annually (monthly $99)

AI SDR Starter$500month, billed annually (1,000 active contacts; monthly $800)

AI SDR Growth$1,500month, billed annually (5,000 active contacts; monthly $2500)

AI SDR EnterpriseCustomcontact us

Agency Core$210month

Agency AI SDR$500month/client

Reply.io pricing

Zendesk

Support Team$19agent/month paid yearly

Suite Team$55agent/month paid yearly

Suite Professional$115agent/month paid yearly

Suite Enterprise + CopilotCustomcontact sales

Zendesk pricing

Pros and cons

Themes from the AI answers that mention each brand

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