Your contacts,
unified
Stop managing contacts across spreadsheets, email, and sticky notes. EternalEngine gives you a single, searchable, always-accurate database — enriched with custom fields and auto-deduplication.
Every feature you need for clean contact data
Stop wasting time tracking down who contacted who. Your contacts are always organized, accurate, and accessible.
Custom Fields
Add unlimited custom fields — text, numbers, dropdowns, dates, checkboxes. Track exactly what matters to your business, nothing more.
Smart Search & Filters
Find any contact instantly with full-text search, advanced filters by field, tag, deal status, or last activity date. Results in milliseconds.
Import & Export
Import from CSV, Excel, or sync from your email. Export to any format with one click. Your data is always portable and accessible.
Auto-Deduplication
AI detects duplicate contacts as they're added. Merge with one click, preserving all activity history, deals, and notes from both records.
Tags & Segments
Organize contacts with custom tags and dynamic segments. Create segments that auto-update as contacts match your criteria.
Company Profiles
Contacts link to company profiles. See all deals, contacts, and activity for an entire organization in one unified view.
One profile for every contact
Custom fields, tags, activity history, and linked deals — all on a single, clean contact page.
Sara Kim
VP of Operations
GlobalTech
Contact Details
Lead Score: 94Clean data drives better outcomes
Every contact, every interaction, every deal in a single place. No more "which spreadsheet has the latest version?"
Smart search and filters let you find any contact in seconds. No more scrolling through endless spreadsheet rows.
Auto-deduplication catches duplicates before they cause confusion. Merge with a click and keep a pristine database.
Common questions, straight answers.
How many contacts can I store?
Free holds 100 contacts, Basic 2,500, and higher plans more. Companies, tags and custom fields do not count separately.
Can I add my own fields?
Yes. Add custom fields and tags to contacts and companies and filter or segment on them.
How do I import?
Upload a CSV of contacts or companies, map the columns and import; duplicates are matched on email.
Can I see a client’s revenue?
Yes. The client list shows revenue, health and owner beside each account, drawn from invoices and payments.
Run your business from one place.
Five plans, seventeen launch apps, one dashboard. Set up in under 5 minutes — change tiers any time.
From $0 · Basic $9.95/mo · Save 20% on annual billing · Upgrade or downgrade any time