Seamless.AI vs ZoomInfo
We give Seamless.AI a 2.4 GPA and ZoomInfo a 2.8, out of 4.0. ZoomInfo grades higher on features and ease of use. They get the same grade on value for money, the free plan and platforms.
Price, platforms and features side by side. The table says where each price was read and when.
Seamless.AI
B2B contact search with AI writing, emailing and a dialer
Free trial
How we grade them
| 2.4GPASeamless.AIFair | 2.8GPAZoomInfoGood | |
|---|---|---|
| Value for money | CNo prices are published, as the pricing page is a sales form, so it sits at the ordinary grade with no five-person figure. Its help center lists 250 credits a month per user on Basic and 10,000 on Pro, at 1 credit a contact. | CNo prices are published: every package is quoted on licenses, credits and features, so it sits at the ordinary grade with no five-person figure. Each export of a profile uses a credit, and CRM integrations usually add a base fee. |
| Free plan and trial | CA free license with 50 credits that don't renew. Fine for trying a few lookups, and that's all it's meant for. | CZoomInfo Lite is free with no card, and there's a free trial of the full platform, usually 7 days. Lite's limits aren't stated, so we can't call it a plan to live on. |
| Features | BEmails, direct dials and cell numbers, a Chrome extension, CRM enrichment, job-change alerts, buyer intent, AI-written outreach, emailing, a dialer and an API. It covers the whole job. | AContacts with direct dials and mobiles, intent and signals, an AI assistant, Agent Teams and workflows, plus marketing audiences and account-based display campaigns. It covers the whole job and reaches into marketing further than any rival here. |
| Ease of use | CNo App Store rating on record. There's a lot in one app, from Autopilot to AI campaigns, and intent topics run on their own allowance, so expect some learning. | B4.63 from about 1,040 App Store ratings for its iPhone app. Good, though the main platform is big software with a fair bit to learn. |
| Platforms and integrations | BWeb and a Chrome extension, with Salesforce, HubSpot, Microsoft Dynamics, Pipedrive, Outreach, Salesloft, Zoho and Zapier, plus an API and apps for Claude and ChatGPT. | BWeb, iPhone and the ReachOut Chrome extension, with Salesforce, HubSpot, Microsoft Dynamics 365, Marketo, Outreach, Salesloft and Slack, plus an API, a CLI and an MCP server. |
| Best for | contact search, emailing and dialing in one app | big sales and marketing teams that run on data |
The GPA is the average of the five grades: an A is 4 points, an F is none. The full reasons are on each tool's page: Seamless.AI and ZoomInfo. How we grade
Where they differ
- ZoomInfo has a free plan. Seamless.AI does not, though it has a free trial.
- Only ZoomInfo lists an iOS app.
- Seamless.AI also covers web clipper and email campaigns.
- ZoomInfo also covers workflow automation and AI agents.
In commonWebBrowser extensionPublic APIAI features
At a glance
| Seamless.AI | ZoomInfo | |
|---|---|---|
| Pricing | Free trial | Free plan |
| Starts at | Not published | Not published |
| Free plan | None | ZoomInfo Lite: a free edition with no credit card, offering verified contacts, search filters, the ReachOut Chrome extension and AI email help. Its limits are not stated. |
| Free trial | Free license with 50 universal credits that do not renew | Free trial of the full platform, usually 7 days, no credit card required |
| Web | ||
| iOS | ||
| Browser extension | ||
| Made by | Seamless.AI | ZoomInfo Technologies LLC |
| Price read from | Not confirmed | Not confirmed |
| Checked | Oct 17, 2026 | Oct 17, 2026 |
Who each one suits
Seamless.AI
- Sales teams that want contact data, dialing and email in one product
- Reps prospecting from LinkedIn in Chrome
- Companies ready to negotiate a contract with a sales team
ZoomInfo
- Sales and marketing teams at companies with 100 or more employees
- Outbound teams that call prospects and need direct dials and mobiles
- Account-based marketing that runs on intent data
Worth knowing
Seamless.AI
- No prices are published: the pricing page sends visitors to a sales inquiry form.
- The help center lists 250 credits a month per user on a Basic license and 10,000 on Pro, refreshed on the contract date.
- The free license is a one-time grant of 50 credits that does not renew.
- Buyer intent searches use a separate allowance of intent topics rather than credits.
ZoomInfo
- No prices are published: every Sales, Marketing and Talent package is quoted by sales, priced by licenses, credits and features.
- Each export of a contact or company profile uses a credit, whether from the platform, the Chrome extension or an integration.
- Its FAQ says ready-made CRM integrations usually carry a base fee and a minimum purchase of bulk credits.
- Payment frequency is agreed with sales; the pricing page does not offer monthly self-serve billing.
Key features
Seamless.AI
- Contact research
- Finding a contact costs 1 credit and returns the profile's titles, emails and phone numbers, including direct dials and cell phones where found.
- Chrome extension
- Looks up contact details for professionals on LinkedIn and other websites while browsing.
- Data Enrich and Job Changes
- Fill gaps in uploaded lists or CRM records for 1 credit per row, and monitor saved leads for job changes.
- AI writing and campaigns
- An AI assistant and AI campaigns write outreach messages at 0.2 credits per message or interaction.
- Emailing and calling
- Send tracked, personalized email with templates from inside the app, and call contacts from a built-in dialer.
- Autopilot, API and MCP
- Autopilot runs contact research in bulk, owners and admins can create API keys, and apps connect it to Claude and ChatGPT.
ZoomInfo
- Contact and company search
- Search profiles with business emails, direct dials and mobile numbers, filtered by industry, title, company size, location and territory.
- Buyer intent and signals
- Copilot plans add intent signals, website visitors, job changes of past champions, funding news and competitor alerts to rank accounts.
- AI assistant and agents
- AI writes emails and talking points, builds buying groups and summarizes accounts; Agent Teams run multi-step sales plays with set approvals.
- Workflows and outreach
- Workflows trigger outreach and sales tasks from signals, and contacts can be sent to Outreach or Salesloft for sequences.
- Marketing audiences
- Marketing plans build ad audiences for LinkedIn, Facebook and Google retargeting and run account-based display campaigns.
- API and MCP server
- An API, a command-line tool and an MCP server bring ZoomInfo data into CRMs, internal tools and AI assistants such as Claude and ChatGPT.
Plans
Seamless.AI
Pricing could not be confirmed. See seamless.ai.
ZoomInfo
Pricing could not be confirmed. See zoominfo.com.
