Audience

Service businesses and small businesses

About EternalEngine

EternalEngineOS combines five business functions — CRM, invoicing, payments, booking, and email — in one app for solo founders and small service businesses. The one-person business back office: CRM, invoicing, payments, booking and email. Manage clients and contacts, send invoices and estimates, take payments, schedule bookings on your calendar, and send email — all in one place, without juggling five separate subscriptions. EternalEngineOS replaces the patchwork of separate CRM, invoicing, payment, booking and email tools with one simple app designed for one-person businesses. Free tier: $0, no credit card required. Basic: $9.95/mo flat with a 30-day no-card trial. Team $49/mo, Pro $99/mo, Business $199/mo. Built for solo founders and small businesses of every kind. Start free, no card. Basic is $9.95/mo when you're ready. Launched 3 months ago and in beta.

Pricing

Starting Price:
$9.95/month
Pricing Details:
Free $0 (no card, not a trial). Basic $9.95/mo flat, with a 30-day no-card trial. Team $49/mo. Pro $99/mo. Business $199/mo.
Free Version:
Free Version available.
Free Trial:
Free Trial available.

Integrations

No integrations listed.

Ratings/Reviews

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Company Information

EternalEngine
Founded: 2026
United States
eternalengineos.io/basic/

Videos and Screen Captures

EternalEngine CRM dashboard

EternalEngine CRM dashboard

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Product Details

Platforms Supported
Cloud

EternalEngine Frequently Asked Questions

Q: What kinds of users and organization types does EternalEngine work with?
EternalEngine works with these users and organization types: Mid Size Business, Small Business, Enterprise, Freelance, Nonprofit, Government, and Startup.
Q: What languages does EternalEngine support in their product?
EternalEngine supports these languages: English.
Q: Does EternalEngine offer a free trial?
Yes, EternalEngine offers a free trial.
Q: How much does EternalEngine cost?
Pricing for EternalEngine starts at $9.95/month.

EternalEngine Product Features

Business Management

Billing & Invoicing Supported
CRM Supported
Financial Management Supported
Marketing Management Supported
Scheduling Supported
Employee Management Not Supported
Inventory Management Not Supported
Order Management Not Supported
Point of Sale (POS) Not Supported
Project Management Not Supported
Purchasing Not Supported
Time & Expense Tracking Not Supported
Training Management Not Supported
Vendor Management Not Supported