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Side-by-side comparison · Sales & Customer Support

Apollo.io vs Hiver vs Retell AI

Everything that matters when choosing between them, in one place: our rating, what each can do, what they cost, and the trade-offs.

Apollo.io

4.0

From $49/seat/mo

Hiver

3.9

From $25/user/mo

Best overall

Retell AI

4.1

From About $0.07–$0.31/min

Comparing 3 tools, the maximum.

At a glance

Pick it if: Founders, small sales teams and marketers who need to find B2B contacts and email them.

Pick it if: Small and mid-sized teams who answer customers or suppliers from a shared Gmail address and want structure without leaving Gmail.

Best overall

Pick it if: Service businesses and agencies that want an AI receptionist or phone agent without hiring developers.

Overview

AttributeApollo.ioHiverRetell AI
In one lineB2B contact database with emails and phone numbers, plus sequences to reach them.Shared inbox and helpdesk that runs inside Gmail, with AI that drafts and answers replies.AI phone agents that answer calls, book appointments and make outbound calls.
Pricing modelFreemiumPaidPaid
Starting price$49/seat/mo$25/user/moAbout $0.07–$0.31/min
Free plan Yes No No
Works with Claude Code Yes Yes Yes

Rating breakdown

Our scores out of 5. The higher bar in each row is highlighted.

AttributeApollo.ioHiverRetell AI
Overall rating4.03.94.1Winner
Ease of useHow quickly someone non-technical gets value from it.
4.5
4.5
3.5
FeaturesHow completely it covers its own job, and how well the pieces fit together.
4.5
4.0
4.5
Output qualityHow good the results are before you fix them.
3.0
3.5
4.5
Value for moneyWhat you get for the price, including the free plan.
4.0
4.0
4.0
Speed & reliabilityHow fast it is and how often it falls over.
4.0
3.5
4.0

Feature comparison

A tick means it does this today. A dash means we haven't checked.

AttributeApollo.ioHiverRetell AI
Access & platform
Free plan Yes No No
Mobile app Yes Yes–
Desktop app–––
Browser extension Yes Yes–
API access Yes Yes Yes
Teams & business
Team workspace Yes Yes Yes
Enterprise plan or SSO Yes Yes Yes
Connects to other apps Yes Yes Yes
Open source or self-hosted No No No
AI abilities
Works with your files–– Yes
Understands images–––
Makes images No No No
Makes video No No No
Writes code– No–
Runs agents or automations Yes Yes Yes
Learns your brand or style–––
Works in many languages–– Yes
Capabilities score8/ 177/ 177/ 17

Pricing

Plans as listed on each vendor's site when we last checked. Confirm before you buy.

AttributeApollo.ioHiverRetell AI
Plans

Free

Free

Founders testing outbound.

Growth

$25/user/mo billed yearly, or $35 monthly

Small teams running one or two shared inboxes.

Pay as you goOur pick

About $0.07–$0.31/min

Most small businesses and agencies.

Basic

$49/seat/mo billed yearly

Individual sellers doing regular outbound.

ProOur pick

$55/user/mo billed yearly, or $65 monthly

Support teams that need targets and connected tools.

Enterprise

Custom

High call volumes and compliance needs.

ProfessionalOur pick

$79/seat/mo billed yearly

Full-time reps.

Elite

$85/user/mo billed yearly, or $95 monthly

Larger teams wanting AI quality checks and tighter security.

Organization

$119/seat/mo billed yearly (min 3 seats)

Sales teams wanting advanced controls.

Which plan to pickStart on Free to check the data covers your market. Basic suits one person prospecting; Professional is worth it if you also call prospects or want AI scoring. Monthly billing costs noticeably more than the yearly prices shown.Growth is enough for a small team that just needs a tidy shared inbox with AI help. Choose Pro if you need response-time targets, CRM or Shopify data next to each email, or the API. Voice is an add-on at $30 per seat.Start on pay as you go with the free credits, build one agent for your most common call and test it on your own phone. Talk to sales only once you run thousands of minutes a month.

Key features

AttributeApollo.ioHiverRetell AI
Standout features
  • Contact database
  • Email sequences
  • Chrome extension
  • Dialer and call recording
  • AI research and scoring
  • Enrichment
  • Shared inbox in Gmail
  • AI agents
  • AI copilot
  • Collaboration
  • Hiver Omni
  • Phone agents
  • Flow builder
  • Appointment booking
  • Knowledge base
  • Batch calling
  • Call analysis

Pros and cons

AttributeApollo.ioHiverRetell AI
Pros
  • Generous free plan for getting started
  • Database and outreach in one tool
  • Much cheaper than ZoomInfo
  • Easy to learn for non-technical users
  • Almost no training: the team keeps working in Gmail
  • AI agents and copilot included from the cheapest plan
  • Good for non-support teams like finance and HR
  • Cheaper than Zendesk or Intercom for small teams
  • 24/7 support on every plan
  • Natural voices and quick responses
  • Visual builder makes it usable for non-developers
  • Pay per minute with no platform fee
  • Strong reviews from small businesses and agencies
Cons
  • Bounce rates and out-of-date contacts are common complaints
  • Weaker phone and contact data outside the US
  • Credits run out fast and do not roll over
  • Billing disputes and slow support on lower plans
  • Gmail add-on can be slow, lose connection or log users out
  • Search and formatting are weaker than in a full helpdesk
  • Key integrations and the API only start on Pro
  • Seats sold in blocks, with a two-seat minimum
  • Per-minute cost varies a lot with your model and voice choices
  • Takes testing to handle real callers reliably
  • Some users want more voice and customisation options

Who each one is for

AttributeApollo.ioHiverRetell AI
Best for
  • Finding business emails and phone numbers
  • Building B2B lead lists
  • Simple cold email sequences
  • Cheaper alternative to ZoomInfo
  • Running support@ or info@ as a team
  • Assigning and tracking customer emails
  • Finance and HR shared mailboxes
  • AI-drafted email replies
  • Teams that want to stay in Gmail
  • AI receptionist for a small business
  • Booking appointments by phone
  • Answering after-hours and overflow calls
  • Outbound reminder and follow-up calls
You'll find it used by
  • Founders
  • Sales development reps
  • Account executives
  • Marketers
  • Recruiters
  • Customer support teams
  • Finance and accounts teams
  • Operations teams
  • Logistics companies
  • Agencies
  • Small business owners
  • Clinics
  • Voice AI agencies
  • Customer service teams
  • Developers

Questions people ask

Which is better, Apollo.io, Hiver or Retell AI?

Retell AI scores highest overall in our ratings (Apollo.io 4.0/5, Hiver 3.9/5 and Retell AI 4.1/5). Apollo.io is best for finding business emails and phone numbers and Building B2B lead lists. Hiver is best for running support@ or info@ as a team and assigning and tracking customer emails. Retell AI is best for AI receptionist for a small business and booking appointments by phone.

Which is cheaper, Apollo.io, Hiver or Retell AI?

Apollo.io: There's a free plan, and paid plans start at $49/seat/mo. Hiver: There's no free plan. Paid plans start at $25/user/mo. Retell AI: There's no free plan. Paid plans start at About $0.07–$0.31/min.

How we compare

Ratings are our own, from using each tool, across ease of use, features, output quality, value for money, speed & reliability.

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